Professional Engineer (PE) License Reciprocity by State — reciprocity at a glance.
All-50-state comity matrix (engineering still uses the term 'comity' instead of reciprocity) + NCEES Records cost/process step-by-step + PE vs SE (Structural Engineer) divergence in CA/IL/UT/HI/NV + cross-state wage delta for civil/mechanical/electrical PEs
Reciprocity matrix — coming up: state-level status data being baked for professional-engineer. Refer to the FAQ below for current state-by-state notes.
PE License Comity — How Engineering Reciprocity Actually Works
The Professional Engineer (PE) license is one of the older licensed credentials in the U.S., dating to 1907 in Wyoming. Engineering preserves an older vocabulary: what other professions call reciprocity, engineers call comity. The mechanics are similar — a PE in good standing in one jurisdiction applies to another's Board of Professional Engineers and obtains a comity license — but the entire infrastructure runs through one centralized service: NCEES (National Council of Examiners for Engineering and Surveying).
NCEES Records consolidates your degree transcripts, FE/PE exam scores, employment history, and reference letters into a single packet that NCEES forwards to any state board on demand. About 30% of U.S. PEs hold licenses in 2+ states, and NCEES Records is the de-facto required infrastructure to make that economical.
50-State Comity Matrix
Comity rules synced from each state's Board of Professional Engineers (May 2026). Most states evaluate comity applications individually — the categories below summarize typical friction.
| State | Comity friction | State-specific exam? | Engineer median (mech) | RPP (2024) |
|---|---|---|---|---|
| Alabama | Low | No | $94,810 | 87.6 |
| Alaska | Low | No | $110,440 | 105.4 |
| Arizona | Low | No | $103,560 | 97.4 |
| Arkansas | Low | No | $92,180 | 89.5 |
| California | High | Seismic + Surveying (Civil); SE separate | $120,470 | 114.0 |
| Colorado | Low | No | $110,290 | 105.4 |
| Connecticut | Low | No | $108,820 | 108.4 |
| Florida | Low | No | $98,920 | 98.7 |
| Georgia | Low | No | $103,720 | 92.5 |
| Hawaii | Medium | SE separate | $104,210 | 112.9 |
| Illinois | Medium | Illinois SE for structural | $103,890 | 97.7 |
| Massachusetts | Low | No | $117,310 | 106.7 |
| Michigan | Low | No | $104,260 | 93.0 |
| Nevada | Medium | SE separate | $94,860 | 97.7 |
| New York | High | State-specific application; long timeline | $108,710 | 114.2 |
| North Carolina | Low | No | $96,750 | 94.7 |
| Ohio | Low | No | $92,690 | 91.4 |
| Oregon | Low | No | $108,870 | 104.7 |
| Pennsylvania | Low | No | $96,710 | 99.2 |
| Texas | Medium | Texas Engineering Practice Act jurisprudence | $112,940 | 96.8 |
| Utah | Medium | SE separate | $95,830 | 97.6 |
| Virginia | Low | No | $112,560 | 101.4 |
| Washington | Low | No | $118,290 | 110.1 |
| Wisconsin | Low | No | $94,540 | 95.6 |
| Wyoming | Low | No | $96,040 | 95.8 |
25-state excerpt. NCEES Records dashboard shows current state-by-state requirements at submission time. Wages from BLS OES 17-2141 (Mechanical Engineers), May 2024.
The Five Structural Engineer (SE) Licensure States
Five U.S. states require a separate Structural Engineer (SE) license beyond the standard Civil PE for certain building-engineering work: California, Illinois, Hawaii, Nevada, Utah. The SE typically demands the 16-hour NCEES SE exam (vs the 8-hour PE Civil exam) plus 4+ years of post-PE structural experience.
| State | SE-required scope | Comity | Notes |
|---|---|---|---|
| California | Schools, hospitals, essential services facilities; certain high-rise structures | Partial — accepts NCEES SE exam, requires CA-specific SE supplement | Most restrictive SE-license state nationally |
| Illinois | Most building structural work over 3 stories or specified occupancy types | Illinois-specific SE exam required | Illinois SE has reciprocity with WA-SE in limited cases |
| Hawaii | Significant structural design, hospitals, schools | Accepts NCEES SE exam | Smallest SE pool in the U.S. |
| Nevada | Specified essential-occupancy buildings | Accepts NCEES SE exam | Adopted SE requirement post-2010 |
| Utah | Specified essential-occupancy buildings | Accepts NCEES SE exam | Adopted SE requirement most recently |
Outside these five states, structural-engineering work is performed under the standard PE Civil license. Engineers stamping work for projects in any of the five SE states must hold the destination state's SE license.
NCEES Records Comity Application — Step by Step
- Set up your NCEES Records account. $75 first-time setup + $75 annual maintenance. Upload transcripts, FE/PE score reports, employment history, references, and any state-board licensure letters.
- NCEES verifies your record. Typically 4–6 weeks for first-time setup; references must respond independently. Reference responses are the most common bottleneck.
- Identify destination state requirements. Check each destination state's Board of Professional Engineers website for state-specific exam, jurisprudence, or experience requirements.
- Submit Records to destination state. $40–80 per state forwarding fee through NCEES.
- State-specific exam (if required). California Seismic + Surveying ($75 each, 2.5 hours each); Texas Engineering Practice Act jurisprudence (online ~$50); Illinois SE exam ($350, 16 hours).
- State board review. 4–10 weeks typical; some states meet only quarterly. Pay state application fee $200–500.
- Receive comity license. Renewal cycles vary by state (annual, biennial); expect $50–150 per state per renewal cycle.
NCEES Records pays for itself at 2 state licenses. Annual NCEES fee ($75) plus 2 forwarding fees (~$100) total under $200/year, vs $400-800/year of redundant verification work without it.
The Industrial Exemption — Who Doesn't Need a PE
Most states' engineering practice acts contain an industrial exemption: engineering work performed for products manufactured by your employer, where the work product is not offered to the public, does not require PE licensure. This covers a large share of:
- Mechanical engineers in manufacturing (designing internal manufacturing equipment, products for sale)
- Electrical engineers in consumer electronics, semiconductor design
- Software engineers (essentially never licensed under engineering boards)
- Aerospace engineers in production environments
- Chemical engineers in process plants
The PE is most critical for: civil/structural design serving public works, building permits, expert witness work, founding an engineering firm, environmental compliance reports, geotechnical/foundation engineering. About 23% of U.S. engineers hold a PE — concentrated in civil (~70%) vs software (<5%).
Industrial exemption rules vary state-by-state. Texas removed the exemption for several engineering disciplines in 2003; some states have rolled back exemptions for specific industries. Check your state's specific Engineering Practice Act language before assuming exemption applies.
Cross-State Real Take-Home for PEs
BLS OES May 2024, mechanical engineers (SOC 17-2141), top 10 states with state-tax + RPP overlay. Civil and electrical PE wages similar within ±5%; comity rules apply identically.
| State | Median (gross) | State tax | RPP | Real take-home (est.) | Comity friction |
|---|---|---|---|---|---|
| Alaska | $110,440 | 0% | 105.4 | ~$72,800 | Low |
| Texas | $112,940 | 0% | 96.8 | ~$80,400 | Medium (TX jurisprudence) |
| Washington | $118,290 | 0% | 110.1 | ~$77,800 | Low |
| California | $120,470 | 9.3% top | 114.0 | ~$65,800 | High (CA Seismic+Surveying) |
| Massachusetts | $117,310 | 5% | 106.7 | ~$76,400 | Low |
| Virginia | $112,560 | 5.75% | 101.4 | ~$74,200 | Low |
| Colorado | $110,290 | 4.4% | 105.4 | ~$72,500 | Low |
| Oregon | $108,870 | 9.9% top | 104.7 | ~$66,500 | Low |
Texas mechanical engineers earn the highest real take-home — top-quartile gross, zero state tax, RPP near national mean. The Texas jurisprudence module is the only friction for incoming PEs. California's $120K nominal median falls behind Texas after tax + RPP + comity friction.
Data Sources & Update Cadence
Comity framework: NCEES (National Council of Examiners for Engineering and Surveying); NCEES Records. State-specific rules from each state's Board of Professional Engineers (Texas TBPE, California BPELSG, New York Office of Professions, Illinois IDFPR, etc.). Wage data: BLS OES 17-2141 (Mechanical Engineers) and 17-2051 (Civil Engineers), May 2024. RPP: BEA Regional Price Parities, 2024. State income-tax rates: state Department of Revenue 2025 schedules. Industrial-exemption status from state Engineering Practice Acts. SE-license states from current state board rules. We re-sync annually; comity friction can change when states adopt new jurisprudence requirements.
- What is PE license 'comity' and how does it differ from reciprocity?
- In engineering licensure, comity is the term of art for what other professions call reciprocity. All 50 U.S. states + DC + Puerto Rico + Guam + the U.S. Virgin Islands recognize comity in some form: a PE licensed in good standing in one state can apply to another state's Board of Professional Engineers and obtain a comity (reciprocal) license, typically without re-taking the FE or PE exam. The comity application is filed through NCEES Records, the centralized credential-storage service operated by the National Council of Examiners for Engineering and Surveying. The same end result, different vocabulary — engineering predates the modern 'reciprocity' usage.
- What is NCEES Records and why do I need it?
- NCEES Records is a paid credential-storage service ($75 annual maintenance + $75 first-time setup) that compiles your engineering credentials — degree transcripts, FE/PE exam scores, employment history, professional references, character references — into a single verified packet. When you apply for comity (reciprocity) to a new state board, you instruct NCEES to forward your Records packet to that state for $40–80 per submission. Without NCEES Records, you'd have to re-collect transcripts, exam-score verifications, and reference letters individually for every state application — typically 6–12 weeks of delay per state vs 1–3 weeks via NCEES. For PEs licensed in 2+ states, NCEES Records pays for itself.
- Which states have the most engineer-friendly comity?
- States that grant comity to all NCEES-Record-supported applicants without additional state-specific exams or experience requirements: AK, AL, CO, GA, HI (basic PE), IA, KS, ME, MN, MS, MO, MT, NE, ND, OK, OR, RI, SD, TN, UT (basic PE), VT, WV, WI, WY. States with friction: California (separate California-Specific Civil Engineering Exam — Seismic Principles + Surveying — for civil PE comity); Illinois (specific structural-engineer license requires Illinois SE exam); New York (state-specific application packet, 8–12 week timeline); Texas (state-specific ethics exam in Texas Engineering Practice Act). Always verify directly with the destination state's Board of Professional Engineers before paying NCEES forwarding fees.
- How is the SE (Structural Engineer) license different from the PE?
- Five states require a separate Structural Engineer (SE) license to practice structural engineering on certain building types: California, Illinois, Hawaii, Nevada, Utah. The SE typically requires the 16-hour NCEES SE exam (vs the 8-hour PE Civil exam) and 4+ years of post-PE structural experience. Comity for the SE license between these five states is partial — most accept the NCEES SE exam result, but each state requires its own application, typically with state-specific seismic or building-code components. Outside these five states, structural engineering is performed under the standard PE Civil license.
- Can I practice engineering without a PE license?
- It depends on the work. Industrial Exemptions: Most states allow engineering work for products manufactured by your employer (the 'industrial exemption') without PE licensure — this covers a large fraction of mechanical, electrical, and software engineers in private industry. Public-facing or government work: Civil, structural, geotechnical, environmental engineering involving public works, buildings, or infrastructure typically requires a PE-stamped design. Consulting: Independent consulting almost always requires a PE. The PE is most critical for: civil/structural design, public works, engineering reports for permits, expert witness work, and starting an engineering firm. About 23% of U.S. engineers hold a PE — concentrated in civil (~70%) vs software (<5%).
- How long does PE comity application take?
- Most state boards approve NCEES-Records-backed comity applications in 4–10 weeks. Variance drivers: (1) state board meeting cadence — some states only review applications monthly or quarterly; (2) whether the destination state requires a state-specific ethics or law exam — California Seismic + Surveying takes additional 2–3 months; (3) reference-letter follow-up if any reference fails to respond. Fast states: AK, MT, ND, SD, WY (often <4 weeks). Slow states: NY, IL, CA SE (often >12 weeks).
- Does the FE exam transfer between states?
- Yes — the FE (Fundamentals of Engineering) exam, administered by NCEES, is universal. A passing FE score is recognized by every state board, the same way the PE Principles & Practice exam is. The FE is the entry point to the EIT (Engineer-in-Training) designation and the prerequisite to the PE. Some states use 'EIT certificate' and 'EI certificate' interchangeably; all are based on FE passage.
- What is the typical cost to maintain dual-state PE licenses?
- Typical dual-license maintenance: $200–600 per year per state in renewal fees + ~$400–800 in continuing professional development hours (CPD/PDH/CE — terminology varies; usually 12–30 hours every 1–2 years). NCEES Records: $75/year + $40–80 per state forward for any new state. Initial comity setup (first-time PE in a second state): $200–500 application fee + NCEES forwarding fee + state-specific exam if required. Engineers who frequently work across states maintain 2–4 state licenses; those who stamp work nationally (consulting firms) maintain 8–15.
- Does foreign engineering licensure transfer to the U.S.?
- Limited. NCEES has Mutual Recognition Agreements (MRAs) with several foreign engineering bodies — Engineers Canada (Engineers and Geoscientists British Columbia, etc.), Engineering Council UK, Hong Kong Institution of Engineers, Engineers Ireland, Engineers Australia. Even with MRA, the foreign-credentialed engineer typically must (1) pass the U.S. PE exam in their target discipline, (2) meet U.S.-state experience requirements, (3) submit credentials evaluation through NCEES International (additional $700–1,400). The MRA shortens evaluation but does not waive the PE exam in most U.S. states.