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Architect & Engineer Mortgages

Architect & engineer mortgage from a lender who reads PE/PA firm principal K-1 partnership distribution, AECOM / Jacobs / Stantec publicly listed W-2 + RSU, licensed PE / RA staff W-2 + bonus, solo Schedule C with E&O professional liability deductions, and favorable non-SSTB QBI treatment under IRC 199A as one income picture.

Working U.S. licensed Architects (RA) and Professional Engineers (PE) carry a distinct qualifying profile spanning EIT (Engineer-in-Training) staff at $65K-$80K W-2 building toward PE licensure, to project and senior architects and engineers at $100K-$200K W-2 + bonus, to PE/PA firm principals at $300K-$1.5M K-1, to AECOM (NYSE: ACM), Jacobs (NYSE: J), and Stantec (TSX: STN) Managing Directors with W-2 + RSU. Per BLS OOH May 2024 data, architects run a median wage of $93,310; civil engineers $95,890; mechanical engineers $99,510; electrical engineers $107,890; and chemical engineers $112,100, with top 10% across these disciplines exceeding $155K-$175K. These numbers substantially understate working high-tier AE professionals: PE/PA firm principals at top-tier U.S. architecture firms including Gensler (largest by revenue at over $1.7B), HDR, Perkins&Will, HOK, NBBJ, SOM (Skidmore Owings & Merrill), CannonDesign, and Florida firms including Arquitectonica (Miami) and Spillis Candela earn $400K-$1.5M K-1; engineering firm principals at ENR Top 500 firms including Black & Veatch, Burns & McDonnell, HNTB, and CDM Smith earn $350K-$1.2M K-1; Managing Directors at publicly listed AECOM, Jacobs, Stantec, Tetra Tech (NASDAQ: TTEK), Parsons (NYSE: PSN), and WSP (TSX: WSP) earn $400K-$1.5M+ total comp combining W-2 base + cash bonus + RSU stock vesting; staff and senior staff engineers and architects at the same firms earn $75K-$280K W-2 across career tier progression; and solo practitioners with Schedule C 1099 income earn $80K-$400K with substantial E&O professional liability insurance, NCEES PE license fees, AIA continuing education, and BIM software platform deductions. The qualifying mechanic that matters most: aggregating PE/PA firm partner K-1 partnership distribution under B3-3.4-02, AECOM / Jacobs / Stantec W-2 + RSU under B3-3.1-01 + B3-3.1-09, staff W-2 + bonus under B3-3.1-01, and solo Schedule C with Form 1084 cash-flow addbacks under B3-3.3-02, plus the substantial tax-advantaged differentiator that architecture and engineering services are EXPLICITLY EXCLUDED from SSTB classification under IRC Section 199A — meaning architect and engineer partners and solo practitioners receive favorable QBI deduction treatment without income-based phase-out (distinct from legal, accounting, and consulting which ARE on the SSTB list and face full phase-out at higher income).

Broker NMLS #1072866 · Specialist in PE/PA firm principal K-1 partnership distribution, AECOM/Jacobs/Stantec publicly listed W-2 + RSU, licensed PE/RA staff W-2 + bonus, solo Schedule C with E&O deductions, and favorable non-SSTB QBI treatment for architect & engineer mortgages
Architect and engineer reviewing building plans at drafting table
$100K-$1.5M+
Working PE / RA income range from project engineer / architect ($100K-$150K) through senior and associate principal ($150K-$280K) to PE/PA firm principal ($300K-$1.5M K-1) and publicly listed firm Managing Director ($400K-$1.5M+ W-2 + RSU)
PE / RA license
Professional Engineer (PE) and Registered Architect (RA) licensure through state boards is the foundational credential. NCEES and NCARB administer national reciprocity; Florida BOAF Board of Architecture and FBPE Board of Professional Engineers regulate state practice
NOT SSTB
Architecture and Engineering services are EXPLICITLY EXCLUDED from Specified Service Trade or Business (SSTB) classification under IRC Section 199A, meaning architect and engineer partners and solo practitioners receive favorable QBI deduction without phase-out
Florida specialty
Florida hurricane code expertise, HVHZ (High-Velocity Hurricane Zone) compliance in Miami-Dade and Broward, marine and coastal engineering for sea level rise adaptation, and high-rise structural design represent substantial Florida AE practice income concentration
Architectural blueprints and drafting tools

Stairway Mortgage qualifies working U.S. licensed Architects (RA) and Professional Engineers (PE) on the full income picture — EIT (Engineer-in-Training) staff at $65K-$80K W-2 during pre-PE-licensure building period through licensed PE / RA staff at $90K-$150K W-2 + bonus through project engineer / architect at $100K-$160K W-2 through senior engineer / architect at $130K-$220K W-2 through associate at $180K-$280K W-2 + bonus to Principal / Partner K-1 at PE / PA / PLLC firms (Professional Engineer / Professional Association / Professional Limited Liability Company entity structures) at $300K-$1.5M K-1 partnership distribution from Form 1065 partnership return; AIA Top 50 architecture firms including Gensler, HDR, Perkins&Will, HOK, NBBJ, SOM, CallisonRTKL, CannonDesign, Arquitectonica (Miami); ENR Top 500 engineering firms including AECOM (NYSE: ACM), Jacobs (NYSE: J), Stantec (TSX: STN), Tetra Tech (NASDAQ: TTEK), Parsons (NYSE: PSN), WSP (TSX: WSP), Black & Veatch (ESOP), Burns & McDonnell (100% employee-owned), HNTB, CDM Smith; Managing Director / Senior Director tier at publicly listed firms (AECOM, Jacobs, Stantec, Tetra Tech, Parsons) with elevated W-2 base + cash bonus + substantial RSU stock vesting from continuing LTIP grants commonly $400K-$1.5M+ total comp; solo practitioner architects and engineers with Schedule C 1099 income and substantial deductions for office, professional liability insurance (E&O / errors-and-omissions coverage typically $4K-$25K annually for solo practitioners), NCEES PE license fees, NCARB national reciprocity fees, Florida Board (FBPE for engineers, BOAF for architects) license fees, AIA / NSPE / ASCE / ASME / IEEE professional society dues, continuing education fees for license renewal, BIM software platforms (AutoCAD, Revit, ArchiCAD, SketchUp, Rhinoceros 3D, MicroStation, Civil 3D, Bentley products) commonly $2K-$10K annually per practitioner depending on practice volume, and specialty engineering analysis software (ETABS, SAP2000, ANSYS, COMSOL); and PE-backed AE firm consolidator transactions with rollover equity post-acquisition, all under Fannie Mae B3-3.1-01 variable income for staff and licensed PE / RA W-2, B3-3.1-09 other sources for AECOM / Jacobs / Stantec publicly listed firm RSU continuing vesting, B3-3.4-02 partnership/S-corporation analysis for PE/PA firm principal K-1, and B3-3.3-02 Schedule C self-employed with Form 1084 cash-flow addbacks for solo practitioners. The substantial tax-advantaged differentiator for architects and engineers: architecture and engineering services are EXPLICITLY EXCLUDED from SSTB classification under IRC Section 199A and Treasury Regulation 1.199A-5, meaning architect and engineer partners and solo practitioners receive favorable QBI deduction treatment without income-based phase-out — distinct from legal services, accounting services, and consulting services covered on our prior Professional Services sub-pages which ARE on the SSTB list with full phase-out at higher income. A staff engineer at $95K W-2, a licensed PE at $145K W-2 + bonus, a senior structural engineer at $185K W-2, an associate principal at $245K W-2 + bonus, a PE/PA firm principal at $685K K-1, an AECOM senior Managing Director at $625K W-2 + $285K RSU, a Florida coastal engineering firm partner with hurricane-code specialty practice at $485K K-1, and a solo architect at $215K Schedule C each get qualified using methods that fit their actual structure. Or skip ahead: browse every loan program, run numbers on 100+ mortgage calculators, or check today's rates. For the parent hub and other professional services paths, see our professional services mortgage hub.

01 · AE mortgage at a glance

Key facts every architect and engineer should know before applying for a mortgage.

PE / RA license

Professional Engineer (PE) and Registered Architect (RA) licensure through state boards is the foundational credential. NCEES administers national engineering exam standards and reciprocity; NCARB administers national architecture reciprocity. Florida specific: Florida Board of Architecture and Interior Design (BOAF) and Florida Board of Professional Engineers (FBPE) regulate state practice.

Principal K-1

PE/PA/PLLC firm principals and partners receive K-1 partnership distributions from Form 1065 partnership returns. PE = Professional Engineer firm entity, PA = Professional Association (Florida), PLLC = Professional Limited Liability Company. Under B3-3.4-02, K-1 qualifies with 2-year averaging plus Form 1084 cash-flow addbacks at the firm level.

NOT SSTB

Architecture and Engineering services are EXPLICITLY EXCLUDED from Specified Service Trade or Business (SSTB) classification under IRC Section 199A and Treasury Regulation 1.199A-5. Architect and engineer partners and solo practitioners receive favorable QBI deduction treatment WITHOUT income-based phase-out, distinct from legal, accounting, and consulting which ARE SSTB with full phase-out at higher income.

Public scale

Top-tier engineering firms include AECOM (NYSE: ACM), Jacobs Engineering (NYSE: J), Stantec (TSX: STN), Tetra Tech (NASDAQ: TTEK), Parsons (NYSE: PSN), and WSP (TSX: WSP). Managing Director tier at these publicly listed firms receives W-2 + cash bonus + substantial RSU stock vesting under B3-3.1-09 with continuing vesting schedule documentation.

02 · Where you are in your AE career

Architect & engineer mortgage solutions for every career stage.

The architecture and engineering professions span EIT pre-licensure through PE/RA licensed practice, project engineer through senior associate roles, principal at PE/PA firms, and Managing Director at publicly listed firms (AECOM, Jacobs, Stantec). Each career stage has its own qualifying logic depending on PE/RA licensure status, firm structure (private partnership vs publicly listed vs solo), and specialty practice area.

01

EIT / Junior staff (Years 1–5)

"Engineer-in-Training (post-FE exam pre-PE) or junior architect (post-degree pre-RA) at AE firm. Building toward PE / RA licensure during these years through accumulated experience requirement."

  • Annual income $65K-$110K W-2 + modest bonus
  • PE licensure typically achieved Year 4-5
  • RA licensure typically achieved Year 3-5 post-degree
  • Conventional Conforming W-2 with co-borrower
See EIT / junior mechanics
02

PE / RA licensed staff

"Licensed Professional Engineer (PE) or Registered Architect (RA) at AE firm. W-2 + bonus. Years 5-10 post-licensure. NCEES / NCARB reciprocity allows multi-state practice."

  • Annual income $100K-$180K W-2 + bonus
  • PE / RA license active with state board
  • Multi-state reciprocity for project work
  • Conventional Conforming or Jumbo W-2
See licensed staff mechanics
03

Senior / Associate

"Senior engineer / architect (Years 10-15) or Associate (Years 12-18). Project leadership responsibility, substantial bonus component tied to project profitability and firm performance."

  • Annual income $150K-$280K W-2 + bonus
  • Multi-year tier with continuing variable income
  • Approaching principal consideration window
  • Conventional Jumbo W-2
See senior / associate mechanics
04

PE/PA firm principal (K-1)

"Principal or partner at PE / PA / PLLC firm (Professional Engineer / Professional Association / Professional LLC entity). K-1 partnership distribution from Form 1065. Florida regional firms or AIA Top 50 firms."

  • Annual income $300K-$1.5M K-1 partnership distribution
  • Capital contribution required ($150K-$500K typical)
  • Profit-sharing component tied to firm performance
  • Conventional Jumbo K-1 with B3-3.4-02
See principal mechanics
05

Public firm MD / Solo / Boutique

"AECOM, Jacobs, Stantec, Tetra Tech, Parsons, WSP Managing Director with W-2 + RSU at publicly listed scale, OR solo practitioner with Schedule C, OR boutique firm owner with S-corp election."

  • Public MD $400K-$1.5M+ W-2 + cash + RSU
  • Solo $80K-$400K Schedule C with Form 1084
  • Boutique S-corp $200K-$600K combined
  • Multiple loan program options
See public / solo / boutique mechanics
03 · The qualification mechanics

How we calculate qualifying income for your architect & engineer mortgage.

Four methods cover almost every AE file we’ve closed. The right method depends on your firm structure (PE/PA/PLLC private partnership vs publicly listed AECOM/Jacobs/Stantec vs solo Schedule C vs boutique S-corp), your career tier, and any RSU stock vesting at publicly listed firms.

Method 1 — PE/PA/PLLC firm principal K-1 partnership distribution (the principal default)

The dominant pattern for working PE/PA/PLLC firm principals at private architecture and engineering firms. Under Fannie Mae B3-3.4-02, partnership K-1 income qualifies with 2-year averaging plus Form 1084 cash-flow addbacks at the firm level. PE = Professional Engineer firm entity (state-specific), PA = Professional Association (Florida legal entity), PLLC = Professional Limited Liability Company. Florida-specific entity options for licensed AE professionals. Capital contribution to principal status (typically $150K-$500K depending on firm size and tier). Profit-sharing component tied to firm overall profitability and individual project allocation. We document the partnership agreement, capital account status, K-1s for the 2-year period, and partnership Form 1065 with Schedule L for cash-flow addback analysis. Critically, architecture and engineering are EXCLUDED from SSTB under IRC 199A — favorable QBI treatment without phase-out.

Method 2 — AECOM / Jacobs / Stantec publicly listed firm W-2 + RSU + bonus (the public method)

For Managing Directors and senior staff at publicly listed engineering firms including AECOM (NYSE: ACM), Jacobs Engineering (NYSE: J), Stantec (TSX: STN), Tetra Tech (NASDAQ: TTEK), Parsons (NYSE: PSN), and WSP (TSX: WSP). Under B3-3.1-01, W-2 base + cash bonus qualifies as variable income with 24-month average. Under B3-3.1-09, RSU stock vesting from continuing LTIP grants qualifies additionally with vesting schedule documentation. Senior Managing Directors at publicly listed AE firms commonly $400K-$800K base + $100K-$300K cash bonus + $200K-$500K RSU vesting totaling $700K-$1.5M+ total comp.

Method 3 — Licensed PE / RA staff W-2 + bonus (the staff method)

For licensed Professional Engineers (PE) and Registered Architects (RA) and EIT/junior staff at AE firms. Under B3-3.1-01, staff W-2 base salary plus annual bonus qualifies as variable income with 24-month average. PE / RA licensure progression from EIT through PE through senior PE produces promotion-tied raises (typically 8-15% at licensure achievement and at promotion to senior/associate tier). Bonus structures at AE firms typically smaller than law / finance (5-15% of base for staff and senior, 15-25% for associates) reflecting AE industry margin structure. We document the W-2 history with HR compensation letter showing licensure status, career tier, base, bonus history, and continuing employment.

Method 4 — Solo / boutique Schedule C + Form 1084 (the solo method)

For solo practitioner architects and engineers with Schedule C 1099 income, and boutique firm owners. Under Fannie Mae B3-3.3-02, Schedule C 1099 income qualifies with 24-month averaging plus Form 1084 cash-flow addbacks. Solo AE Schedule C deductions commonly include professional liability insurance / E&O coverage ($4K-$25K annually depending on practice volume and specialty), NCEES PE license fees, NCARB national reciprocity fees, Florida Board (FBPE for engineers, BOAF for architects) license fees, AIA / NSPE / ASCE / ASME / IEEE professional society dues, continuing education fees for license renewal, BIM software platforms (AutoCAD, Revit, ArchiCAD, SketchUp, Civil 3D — commonly $2K-$10K annually), specialty engineering analysis software (ETABS, SAP2000, ANSYS), and office expense.

04 · What generalist underwriting misses

The income most lenders refuse to count on an AE file.

Six income facts that show up consistently on working architect and engineer files and that generalist lenders typically either ignore, mis-categorize, or refuse to apply correctly. Each one is documentable; the lender just has to read AE channel-specific multi-source structure properly.

A

PE/PA firm principal K-1 with favorable non-SSTB QBI

PE/PA/PLLC firm principals receive K-1 partnership distributions from Form 1065 partnership returns. Architecture and engineering are EXCLUDED from SSTB under IRC 199A — favorable QBI deduction WITHOUT phase-out (distinct from legal / accounting / consulting partners). Under B3-3.4-02, K-1 qualifies with 2-year average plus Form 1084 partnership-level cash-flow addbacks. The non-SSTB QBI treatment is a substantial tax-advantaged differentiator vs the other Pro Services disciplines.

B

NCEES / PE licensure progression as career anchor

PE licensure progression through NCEES (FE exam through EIT designation through experience accumulation through PE exam through PE licensure) and RA licensure through NCARB (ARE exam through IDP/AXP experience through state licensure) creates substantial compensation step-ups at licensure achievement (typically 8-15% raise at PE / RA promotion). The licensure progression is documented for underwriting context.

C

AECOM / Jacobs / Stantec publicly listed W-2 + RSU

Top-tier engineering firms AECOM (NYSE: ACM), Jacobs Engineering (NYSE: J), Stantec (TSX: STN), Tetra Tech (NASDAQ: TTEK), Parsons (NYSE: PSN), and WSP (TSX: WSP) are publicly traded with substantial RSU stock vesting from continuing LTIP grants at senior staff and Managing Director tiers. Under B3-3.1-09, RSU qualifies with continuing vesting schedule. Generalist underwriters sometimes refuse AE-firm RSU as "speculative future stock."

D

E&O professional liability insurance deduction structure

Errors-and-omissions (E&O) professional liability insurance is mandatory at most AE firms and substantial for solo practitioners. Solo AE E&O coverage commonly $4K-$25K annually depending on practice volume and specialty (higher for structural and geotechnical given liability exposure on building safety). Under B3-3.3-02 Form 1084 cash-flow addbacks recover non-cash deductions while E&O insurance flows as real cash deduction.

E

Florida hurricane code + HVHZ specialty practice income

Florida-specific specialty practice areas including Florida Building Code compliance, HVHZ (High-Velocity Hurricane Zone) compliance in Miami-Dade and Broward counties, hurricane wind-load structural design, marine engineering for coastal infrastructure, and sea-level-rise adaptation engineering represent substantial Florida AE practice income concentration. Florida AE professionals carrying these specialty practice areas commonly elevated K-1 or W-2 reflecting specialty premium and project-rate elevation for hurricane-code engineering work.

F

PE-backed AE firm consolidation

Private equity acquisition of architecture and engineering firms has increased over the past 5-7 years. PE-backed AE consolidator transactions structured similarly to PE-backed CPA firm and consulting consolidator transactions produce cash + multi-year earnouts + rollover equity in the holding entity. Combined documentation under B3-3.1-01 (ongoing W-2 or principal W-2) + B3-3.4-02 (rollover equity K-1) supports continuing income narrative. Less common than CPA / consulting PE waves but present in mid-tier AE consolidation.

05 · Match the program to your AE situation

Which loan program fits your architect & engineer mortgage situation.

Seven loan-program categories cover essentially every AE file we’ve closed. The mix tilts toward Conventional Conforming and Jumbo with rigorous channel-specific documentation (B3-3.1-01 W-2 for staff and senior, B3-3.1-09 RSU for AECOM / Jacobs / Stantec, B3-3.4-02 K-1 for PE/PA firm principal, B3-3.3-02 Schedule C for solo). SBA 7(a) serves AE practice acquisition.

Conventional Conforming W-2 (staff)

  • EIT, licensed PE / RA, and senior staff at AE firms
  • B3-3.1-01 variable income with 24-month average
  • Loan limits to $766,550 (FL) 2024-25
Best for: Staff PE / RA

Conventional Jumbo W-2 (senior / associate)

  • Senior engineers / architects and associates at $200K+ W-2
  • B3-3.1-01 with multi-year bonus continuity
  • Loan amounts above conforming to $2M+
Best for: Senior / associate

Conventional Jumbo K-1 (PE/PA principal)

  • PE/PA/PLLC firm principals with K-1 partnership distribution
  • B3-3.4-02 with partnership-level Form 1084 addbacks
  • Loan amounts to $3M+ depending on K-1 history
Best for: PE/PA firm principal

Multi-Source W-2 + RSU (publicly listed MD)

  • AECOM, Jacobs, Stantec, Tetra Tech, Parsons, WSP Managing Directors
  • B3-3.1-01 W-2 + B3-3.1-09 RSU continuing vesting
  • Conventional Jumbo with multi-source documentation
Best for: Public AE MD tier

S-Corp Self-Employed (boutique)

  • Boutique AE firm owners with S-corp or LLC election
  • W-2 reasonable comp + K-1 distributions under B3-3.4-02
  • Form 1084 addbacks at S-corp level
Best for: Boutique S-corp owner

Schedule C + Form 1084 (solo)

  • Solo practitioner architects and engineers with Schedule C 1099
  • B3-3.3-02 with Form 1084 cash-flow addbacks
  • E&O insurance + software platforms + license fees as deductions
Best for: Solo practitioner

SBA 7(a) (AE practice acquisition)

  • Coordination of personal mortgage with AE practice acquisition
  • SBA 7(a) for AE practice acquisition up to $5M
  • Sequenced personal close before or after acquisition
Best for: AE practice acquirer
06 · Why this mortgage requires specialty expertise

The AE mortgage in context: 6 forces shaping how architects and engineers qualify.

Architect and engineer mortgage qualifying sits at the intersection of AE firm consolidation activity, AECOM / Jacobs / Stantec publicly listed scale, the Florida construction boom and hurricane code expertise, the BIM (Building Information Modeling) technology shift, sustainability and LEED design demand growth, and the engineering talent shortage particularly in civil and structural disciplines. Each force shapes what a working AE professional’s qualifying picture looks like.

Force 1 — AE firm consolidation

The architecture and engineering firm category has experienced substantial consolidation activity over the past decade. Stantec has expanded substantially through serial acquisitions. AECOM has executed numerous integrations. Jacobs Engineering has consolidated multiple legacy brands. The mortgage implication: principals at consolidating firms may experience compensation structure changes through integration requiring continuity documentation through the new combined firm’s partnership agreement or W-2 structure.

Force 2 — AECOM / Jacobs / Stantec publicly listed scale

Publicly listed engineering firms AECOM (NYSE: ACM, $14B+ revenue), Jacobs Engineering (NYSE: J, $15B+ revenue), Stantec (TSX: STN, $5B+ revenue), Tetra Tech (NASDAQ: TTEK), Parsons (NYSE: PSN), and WSP (TSX: WSP) operate at substantial scale with publicly listed equity compensation including RSU stock vesting at senior staff and Managing Director tiers. The mortgage implication: senior staff and MD-tier at publicly listed AE firms qualify under combined B3-3.1-01 + B3-3.1-09 documentation across W-2 and RSU sources.

Force 3 — Florida construction boom + hurricane code expertise

Florida has experienced sustained construction activity across residential high-rise (Miami, Fort Lauderdale, Tampa), commercial development, and infrastructure modernization. Florida Building Code compliance with HVHZ (High-Velocity Hurricane Zone) requirements in Miami-Dade and Broward counties creates specialty practice premium for architects and engineers with hurricane-code expertise. Marine engineering for coastal infrastructure and sea-level-rise adaptation engineering represent additional Florida-specific specialty practice areas. The mortgage implication: Florida AE professionals carrying these specialty practice areas commonly elevated income reflecting specialty premium.

Force 4 — BIM (Building Information Modeling) technology shift

The shift to BIM (Building Information Modeling) using platforms including Autodesk Revit, ArchiCAD, Bentley products, and Civil 3D has reshaped AE practice workflow over the past 15 years. AE firms have invested substantially in BIM platform deployment and staff training. The mortgage implication: solo practitioners and boutique firm owners with substantial BIM software platform deductions (commonly $2K-$10K annually per practitioner) are deductible through Schedule C with Form 1084 systematically recovering non-cash components.

Force 5 — Sustainability / LEED design demand

Sustainability and LEED (Leadership in Energy and Environmental Design) certified building design demand has grown substantially over the past two decades driven by client demand, regulatory requirements at federal and state levels, and corporate ESG commitments. AE professionals with LEED accreditation (LEED AP credential) and sustainability practice specialty commonly carry elevated income reflecting specialty premium. The mortgage implication: sustainability practice specialty supports continuing income narrative for AE files.

Force 6 — Engineering talent shortage

The engineering profession faces a documented talent shortage particularly in civil engineering and structural engineering disciplines per industry data from NSPE, ASCE, and industry reporting. The shortage has driven AE firm wage inflation at staff and senior staff tiers and elevated retention bonuses at associate and senior associate tiers. The mortgage implication: AE W-2 compensation at staff and senior tiers has experienced year-over-year growth driving stronger qualifying capacity, particularly for civil and structural engineers.

07 · The mortgage shifts as your AE career develops

Architect & engineer mortgage by career stage.

A timeline view of how the right mortgage program changes as you progress from EIT through licensed PE / RA staff and senior to PE/PA firm principal, publicly listed firm Managing Director, or solo practice.

Years 1–5

EIT / Junior staff

Comp profile: $65K-$110K W-2 + modest bonus during EIT pre-PE licensure or junior architect pre-RA period. PE / RA licensure typically achieved Year 3-5. Dominant qualifying method: Conventional Conforming W-2 with B3-3.1-01 plus possible co-borrower. Common purchase: $350K-$600K with co-borrower support. Watch-out: PE / RA exam timing affects substantial promotion-tied raise at licensure achievement.

Years 5–12

Licensed PE / RA staff

Comp profile: $100K-$220K W-2 + bonus at licensed PE / RA tier through senior staff. Dominant qualifying method: Conventional Conforming or Jumbo W-2 with B3-3.1-01 24-month average including bonus continuity. Common purchase: $600K-$1M primary residence. Watch-out: Active PE / RA license verification through state board records; multi-state reciprocity if practicing across state lines.

Years 12–18

Senior / Associate

Comp profile: $150K-$280K W-2 + bonus at senior engineer / architect or associate tier. Approaching principal consideration window. Dominant qualifying method: Conventional Jumbo W-2 with B3-3.1-01. Common purchase: $900K-$1.5M primary residence. Watch-out: Principal-track timing requires careful coordination — principal promotion brings K-1 structure change and possible capital contribution requirement.

Principal / Public MD / Solo

PE/PA principal OR Public MD OR Solo / Boutique

Comp profile: PE/PA firm principal $300K-$1.5M K-1 OR AECOM / Jacobs / Stantec / Tetra Tech / Parsons / WSP Managing Director $400K-$1.5M+ W-2 + RSU OR solo practitioner $80K-$400K Schedule C OR boutique S-corp $200K-$600K combined. Dominant qualifying method: Conventional Jumbo K-1 (B3-3.4-02) for principal, Multi-source W-2 + RSU (B3-3.1-01 + B3-3.1-09) for public MD, Schedule C + Form 1084 (B3-3.3-02) for solo. Common purchase: $1M-$2.5M+ primary residence. Watch-out: Non-SSTB QBI treatment favorable vs other Pro Services disciplines.

08 · What architects and engineers say

What architects and engineers say about their Stairway mortgage.

Names abbreviated for client privacy. Firm details anonymized. Numbers are real.

Christopher A., senior structural engineer at top engineering firm
"Senior Structural Engineer at a top-tier engineering firm for 4 years after Project Engineer tier. Florida PE license active with substantial hurricane-code specialty practice serving Miami-Dade HVHZ projects and high-rise structural design across Broward County. W-2 base salary $195K + annual performance bonus $28K (14% of base, multi-year continuity tied to project profitability metrics) + occasional project-completion bonus $15K. Total W-2 averaging $228K over the 2-year period. Plus the firm provides substantial benefits. The first lender pulled my W-2 and applied 24-month average treatment but classified the performance bonus as ‘discretionary variable’ despite multi-year continuity at the senior structural engineer tier, refused the project-completion bonus as ‘non-recurring,’ and offered me $785K based on lower base salary alone. Jim’s team documented the senior structural engineer tier with HR letter showing the 4-year continuous tier and multi-year bonus pattern continuity tied to billable project hours and project profitability, the active Florida PE license through FBPE Board of Professional Engineers, the multi-year HVHZ specialty practice, and the project-completion bonus pattern as continuing variable income. $1.05M close Conventional Jumbo on a Plantation home in 37 days."
Christopher A.
Senior Structural Engineer · Plantation
Andrea L., PE/PA firm principal at engineering firm with K-1 partnership distribution
"Principal at a PE firm (Professional Engineer firm entity) for 7 years after Senior Engineer and Associate tiers and successful principal admission. Specialty practice in marine and coastal engineering serving Florida coastal infrastructure clients with sea-level-rise adaptation engineering and hurricane wind-load design across multiple Florida coastal municipalities. K-1 partnership distribution averaging $785K over the 2-year period from Form 1065 partnership return covering both the base partnership allocation (firm uses tenure-weighted base share methodology) and the profit-sharing allocation tied to firm profitability and the principal’s personal book-of-business contribution from the coastal specialty practice. Capital account at the firm approximately $325K from initial principal capital contribution. Plus active Florida PE license through FBPE with the marine engineering specialty designation. The first lender saw the principal K-1 partnership distribution and called the profit-sharing allocation ‘variable performance-based not stable,’ refused to apply Form 1084 cash-flow addbacks at the partnership level, and offered me $1.25M Jumbo. Jim’s team documented the partnership agreement with the tenure-weighted base share and profit-sharing allocation framework, the 7-year continuous principal status, the partnership-level Schedule L for Form 1084 cash-flow addback analysis recovering depreciation and amortization at the firm level, the capital account history, and the marine specialty practice continuity. Plus critically — the favorable non-SSTB QBI treatment under IRC 199A for engineering services, supporting the principal’s after-tax income narrative. $1.85M close Conventional Jumbo on a Coral Springs home in 43 days."
Andrea L.
PE firm principal (marine engineering specialty) · Coral Springs
Ravi P., Stantec senior Managing Director at publicly listed engineering firm
"Senior Managing Director at Stantec (TSX: STN, publicly listed) for 5 years in transportation infrastructure practice after Managing Director and Principal tiers at the firm. Florida PE license active with substantial federal and state DOT (Department of Transportation) project experience across the Southeast region. Annual W-2 averaging $665K combining $445K base salary + $135K cash bonus + $85K RSU vesting from prior LTIP grants vesting in current year. Plus continuing LTIP grant vesting schedule showing $245K of additional unvested RSU scheduled to vest over the next 3 years from ongoing annual grant cycles. The first lender pulled my W-2 + LTIP grant documentation and offered $1.15M Jumbo based on W-2 + cash bonus only, refused to apply RSU vesting from continuing LTIP grants as ‘speculative future stock,’ despite the multi-year continuity of LTIP grant cycle and the publicly listed Stantec stock with continuing market value. Jim’s team documented the LTIP grant cycle with 3-year continuing vesting schedule under B3-3.1-09, the Stantec publicly listed equity with continuing market value, the 5-year W-2 + RSU history at Managing Director tier and Senior Managing Director tier showing the multi-source comp pattern continuity, and the brokerage statements showing prior RSU vest receipts. $1.75M close Conventional Jumbo on a Bay Colony home in 41 days."
Ravi P.
Stantec Senior Managing Director · Bay Colony
09 · AE mortgage FAQs

Architect & engineer mortgage questions, answered.

01
I’m a licensed PE at an engineering firm. How does my W-2 + bonus qualify?
Licensed Professional Engineer (PE) W-2 base salary plus annual bonus qualifies under Fannie Mae B3-3.1-01 as variable income with 24-month average. We document the PE licensure status through state board records (Florida FBPE for Florida engineers), the W-2 history with HR compensation letter showing career tier, base, bonus history, and continuing employment status.
02
I’m a Registered Architect at an architecture firm. How does qualifying work?
Registered Architect (RA) W-2 base salary plus annual bonus qualifies under Fannie Mae B3-3.1-01 identical to PE qualifying mechanics. We document the RA licensure status through state board (Florida BOAF for Florida architects), the NCARB national reciprocity certification if applicable for multi-state practice, the W-2 history, and any specialty practice designation (LEED AP, historic preservation, healthcare design).
03
I’m a principal at a PE/PA firm with K-1 distributions. How does that count?
PE/PA/PLLC firm principal K-1 partnership distributions from Form 1065 partnership returns qualify under Fannie Mae B3-3.4-02 with 2-year averaging plus Form 1084 cash-flow addbacks at the partnership level. We document the partnership agreement, capital account status, K-1s for the 2-year period, and partnership Form 1065 with Schedule L for cash-flow addback analysis.
04
Are architecture and engineering really NOT SSTB? Tell me more.
Yes — architecture and engineering services are EXPLICITLY EXCLUDED from Specified Service Trade or Business (SSTB) classification under IRC Section 199A and Treasury Regulation 1.199A-5. This is a substantial tax-advantaged differentiator vs legal services, accounting services, and consulting services (all SSTB on our prior Pro Services sub-pages). Architect and engineer partners and solo practitioners receive favorable QBI deduction treatment WITHOUT income-based phase-out (subject only to W-2 wages / UBIA limits at very high income, not full phase-out). Coordinate with your CPA for QBI optimization.
05
I’m at AECOM / Jacobs / Stantec with W-2 + RSU. How does qualifying work?
Publicly listed engineering firm W-2 + cash bonus aggregates under B3-3.1-01; RSU stock vesting from continuing LTIP grants aggregates additionally under B3-3.1-09 with continuing vesting schedule documentation. AECOM (NYSE: ACM), Jacobs (NYSE: J), Stantec (TSX: STN), Tetra Tech (NASDAQ: TTEK), Parsons (NYSE: PSN), and WSP (TSX: WSP) Managing Directors commonly $400K-$1.5M+ total comp.
06
I’m a solo practitioner architect / engineer with Schedule C. How does qualifying work?
Under Fannie Mae B3-3.3-02, solo AE Schedule C income qualifies with 24-month averaging plus Form 1084 cash-flow addbacks. Solo AE deductions for E&O professional liability insurance, NCEES PE license fees or NCARB reciprocity, Florida Board license fees, AIA / NSPE / ASCE / ASME / IEEE dues, continuing education, BIM software platforms (AutoCAD, Revit, ArchiCAD, Civil 3D), and specialty engineering software (ETABS, SAP2000, ANSYS) flow through Schedule C.
07
What documentation do I need for an AE mortgage?
Depends on channel. Staff PE / RA: two W-2s, current pay stubs, HR compensation letter, PE / RA licensure verification through state board (Florida FBPE for engineers, BOAF for architects). PE/PA firm principal: Form 1065 partnership returns with K-1s for 2 years, Schedule L, partnership agreement, capital account history. Publicly listed firm (AECOM / Jacobs / Stantec): W-2 + LTIP grant documentation with vesting schedule + brokerage statements showing prior RSU vest. Solo: two complete 1040s with Schedule C, 1099-NECs, business bank statements, license verification.
08
My PE / RA license has multi-state reciprocity. How does that affect qualifying?
NCEES PE multi-state reciprocity and NCARB architect reciprocity allow multi-state practice across multiple licensed jurisdictions. The multi-state reciprocity is documented through state board records for each licensed state. Qualifying mechanics aren’t directly affected by reciprocity scope, but multi-state practice may produce 1099 income across multiple states for solo practitioners requiring multi-state Schedule C analysis.
09
My E&O professional liability insurance is substantial. How is that treated?
Errors-and-omissions (E&O) professional liability insurance commonly $4K-$25K annually for solo practitioners depending on practice volume and specialty (higher for structural and geotechnical given building safety liability). Under B3-3.3-02, E&O insurance flows as real cash deduction through Schedule C and isn’t added back via Form 1084 (which only recovers non-cash components like depreciation and amortization).
10
I’m in Florida with hurricane-code specialty practice. Does that affect qualifying?
Florida hurricane code compliance with HVHZ (High-Velocity Hurricane Zone) requirements in Miami-Dade and Broward counties creates specialty practice premium for architects and engineers with hurricane-code expertise. Specialty practice income commonly elevated reflecting specialty premium. We document the specialty practice area through firm-provided practice area documentation or solo practice area billings. Qualifying mechanics under B3-3.1-01 / B3-3.4-02 / B3-3.3-02 apply identically — specialty income elevates the dollar amount, not the framework.
11
Are mortgage rates higher for architects and engineers?
No — mortgage rates for AE professionals are the same as for any other borrower at the same credit profile, loan amount, and program selection. PE / RA staff W-2 and PE/PA firm principal K-1 both achieve strong Conventional Conforming and Jumbo outcomes at standard pricing when proper channel-specific documentation supports the file.
12
My PE license is in Engineer-in-Training (EIT) status pre-PE exam. Does that affect qualifying?
EIT pre-PE status doesn’t directly affect mortgage qualifying — what matters is W-2 employment status and income history. EIT staff typically earn $65K-$80K W-2 with co-borrower or modest qualifying. PE exam completion typically produces 8-15% promotion-tied raise documented through HR letter. We document the EIT status with NCEES verification if applicable.
13
My PE/PA firm principal capital contribution was substantial. How does that affect qualifying?
PE/PA firm principal capital contribution (typically $150K-$500K depending on firm size and tier) creates capital account at the firm. Capital contribution may have been funded through firm-arranged loans or personal funds. We document the capital contribution structure and capital account status. The capital account doesn’t directly qualify income but supports balance sheet narrative.
14
My spouse is also in AE or related profession. How does that affect us?
Two-AE households produce strong joint qualifying when both spouses have established 2-year histories. Both files combine as co-borrowers with full channel-appropriate analysis (B3-3.1-01 W-2, B3-3.4-02 partnership K-1, B3-3.3-02 Schedule C). Combined household income from two senior PE / RA professionals commonly $400K-$600K supports $1M-$1.4M qualifying.
15
Why do generalist lenders sometimes refuse AE files?
Six reasons: (1) staff PE / RA bonus classified as "discretionary not stable" without recognizing multi-year continuity; (2) PE/PA firm principal K-1 lumpy partnership distribution undercounted without Form 1084 partnership-level addbacks; (3) AECOM / Jacobs / Stantec RSU refused as "speculative future stock" without recognizing NYSE-listed continuing market value; (4) solo Schedule C high E&O and software deductions misread as profitability problem; (5) the favorable non-SSTB QBI treatment for AE under IRC 199A not factored into after-tax income narrative; (6) Florida hurricane-code specialty practice income not recognized as specialty premium. The income is all there and documentable.
16
When should I make S-corp election as a solo practitioner?
Typically at $200K+ annual net Schedule C income for solo AE practitioners, S-corp election starts producing meaningful self-employment tax savings under IRC Section 1361. S-corp involves paying W-2 reasonable compensation (typically $120K-$200K for solo AE owner-operators) and taking remaining net as K-1 distributions. Coordinate with your CPA.
17
My firm just got acquired by a publicly listed firm. How does that affect qualifying?
Acquisition by AECOM, Jacobs, Stantec, Tetra Tech, or other publicly listed AE firm is increasingly common as the AE consolidation wave continues. We document the acquisition terms, ongoing W-2 or partner status under the new combined firm, possible RSU grant terms in the acquiring firm equity, and any retention bonus structure. Multi-source documentation under B3-3.1-01 + B3-3.1-09 covers W-2 + RSU; or B3-3.1-01 + B3-3.4-02 if retained partner equity in combined entity.
18
I have LEED accreditation. Does that affect anything?
LEED accreditation (LEED AP credential) supports specialty practice narrative for sustainability and energy-efficient design work. The credential doesn’t directly affect qualifying mechanics but may correspond to elevated specialty income reflecting sustainability practice premium. We document the LEED AP credential through USGBC records if relevant for practice area narrative.
19
My PE license requires continuing education. How is that documented?
Florida PE license renewal requires continuing education through approved providers. Documentation through FBPE Board of Professional Engineers records for license renewal. The continuing education fees flow as Schedule C deductions for solo practitioners. The active license status with current continuing education compliance supports underwriting narrative as the foundational professional credential.
20
Can I use bank statements alone instead of tax returns?
Yes through Bank Statement Program Non-QM for high-deduction solo AE practitioners. 12 or 24 months of business bank statements qualify under the Bank Statement framework. Useful when Schedule C deductions (E&O, software, license fees) are substantial enough that Form 1084 addbacks alone don’t produce desired qualifying income. Pricing carries 0.75-1.5% rate premium vs Conventional.
21
I’m a Florida AE professional with specialty in coastal / marine engineering. How does that affect qualifying?
Florida coastal and marine engineering practice including sea-level-rise adaptation engineering, coastal infrastructure design, and hurricane wind-load specialty produces elevated specialty income reflecting Florida-specific practice premium. The specialty practice is documented through firm-provided practice area documentation or solo practice billing history. Qualifying mechanics under B3-3.1-01 / B3-3.4-02 / B3-3.3-02 apply identically — specialty income elevates the dollar amount within the framework.
22
I’m considering acquiring another AE practice. How does that fit with personal mortgage?
AE practice acquisitions typically run $500K-$5M+ depending on practice size and book of business. SBA 7(a) financing up to $5M is common. We sequence personal mortgage either BEFORE acquisition closes (qualifying on established Schedule C / S-corp / partnership history) or AFTER acquisition integrates 12-18 months post-acquisition with combined-practice history.
23
I’m at an employee-owned firm (Black & Veatch, Burns & McDonnell ESOP). How does that affect qualifying?
Employee-owned firms structured as ESOPs (Employee Stock Ownership Plans) including Black & Veatch and Burns & McDonnell (100% employee-owned) create unique compensation structures combining W-2 base + ESOP equity participation. ESOP equity participation qualifies under B3-3.1-09 when distributions or vesting create continuing income. We document both W-2 and ESOP components.
24
When should I start the mortgage conversation relative to a home purchase?
Ideally 120-150 days before you intend to make an offer. AE files benefit from substantial runway because of channel-specific qualifying (W-2 vs K-1 vs Schedule C), PE / RA licensure verification through state boards, multi-year partnership K-1 documentation for principals, Form 1084 cash-flow addback analysis at the firm level, RSU vesting analysis for AECOM / Jacobs / Stantec, possible coordination with firm HR, and any specialty practice area documentation.
25
What HR or firm documentation should I request?
For staff PE / RA: HR compensation letter covering career tier, base, bonus history, licensure status, and continuing employment. For PE/PA principals: partnership agreement, capital account statement, Form 1065 partnership returns with K-1s for 2 years, Schedule L for cash-flow addback analysis, partnership compensation methodology documentation. For publicly listed firms: W-2 + LTIP grant documentation with vesting schedule + brokerage statements showing prior RSU vest. For solo practitioners: 1099-NECs from each client, Schedule C with all worksheets, S-corp 1120-S if applicable, license verification.
10 · Companion guides & calculators

More on AE mortgages, channel-specific qualifying, and partner K-1 analysis.

12 · What "right door first" looks like

AE mortgage, structured right.

Principal at a Florida PE firm (Professional Engineer firm entity) for 7 years after Senior Engineer and Associate Engineer tiers and successful principal admission. Specialty practice in marine and coastal engineering serving Florida coastal infrastructure clients with sea-level-rise adaptation engineering and hurricane wind-load design across multiple Florida coastal municipalities. K-1 partnership distribution averaging $785K over the 2-year period from Form 1065 partnership return covering both the base partnership allocation (firm uses tenure-weighted base share methodology giving principals additional weight as tenure increases) and the profit-sharing allocation tied to firm profitability and the principal’s personal book-of-business contribution from the marine and coastal engineering specialty practice across the multi-year period. Capital account at the firm approximately $325K from initial principal capital contribution made at the time of principal admission. Plus active Florida PE license through FBPE Board of Professional Engineers with the marine engineering specialty practice designation, plus active NSPE professional society membership, plus ASCE Coastal Engineering Division active participation. Plus the favorable non-SSTB QBI deduction treatment under IRC 199A for engineering services since engineering is explicitly EXCLUDED from the SSTB list, supporting the principal’s after-tax income narrative meaningfully. The first lender saw the principal K-1 partnership distribution structure and the Form 1065 partnership return and called the profit-sharing allocation component "variable performance-based not stable for jumbo qualifying" despite the documented 7-year continuity of the principal status with consistent profit-sharing allocation tied to the specialty marine practice, refused to apply Form 1084 cash-flow addbacks at the partnership level to recover firm-level depreciation and amortization for non-cash deductions at the engineering firm level, and offered the principal $1.25M Conventional Jumbo based on conservative K-1 treatment alone. We pulled the two complete Form 1065 partnership returns with Schedule K-1s, the partnership agreement documenting the tenure-weighted base and profit-sharing allocation framework, the 7-year continuous principal status, the Schedule L for partnership-level Form 1084 cash-flow addback analysis recovering depreciation and amortization at the firm level, the capital account statement showing the $325K account, the active Florida PE license verification through FBPE records, and the marine specialty practice continuity. Applied Form 1084 cash-flow addbacks systematically at the partnership level recovering the firm-level non-cash deductions and ran the 24-month average under Fannie Mae B3-3.4-02 with multi-source documentation across the base and profit-sharing components. Total qualifying income: approximately $750K. Approved at $1.85M Conventional Jumbo for a Coral Springs home in 43 days. PE/PA firm principal K-1 partnership income with proper partnership-level Form 1084 cash-flow addback recovery is the standard principal qualifying pattern — the first lender just didn’t know how to read engineering firm partnership K-1 structure.

House keys at closing
43-day close · Coral Springs, FL
Talk to an AE mortgage specialist

Get an architect & engineer mortgage from a lender who reads PE/PA firm principal K-1, AECOM/Jacobs/Stantec public W-2 + RSU, licensed PE/RA staff W-2, solo Schedule C, and favorable non-SSTB QBI treatment as one file.

No application. No credit pull. A 20-minute conversation where we look at your licensed PE or RA status, your W-2 if at AE firm staff tier, your K-1 partnership distribution from Form 1065 if at PE/PA/PLLC firm principal tier with capital account, your W-2 + RSU + cash bonus if at AECOM (NYSE: ACM), Jacobs Engineering (NYSE: J), Stantec (TSX: STN), Tetra Tech (NASDAQ: TTEK), Parsons (NYSE: PSN), or WSP (TSX: WSP) Managing Director tier, your ESOP equity participation if at Black & Veatch or Burns & McDonnell employee-owned firms, your Florida hurricane-code or marine specialty practice if applicable, your solo Schedule C with E&O and software deductions if in solo practice, and any S-corp election if boutique — then we tell you whether Conventional Conforming W-2, Conventional Jumbo W-2, Conventional Jumbo K-1, Multi-Source W-2 + RSU, S-Corp Self-Employed, Schedule C + Form 1084, or SBA 7(a) practice acquisition financing fits best. Plus we factor the favorable non-SSTB QBI treatment for AE services into your after-tax narrative. If we’re not the right shop, we’ll tell you that too.

Jim Blackburn NMLS #1072866 · Stairway Mortgage

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