Professional Engineer (PE) states
51
Below median
Occupational licensing · Engineering · 51 state boards
Professional Engineer (PE) licensing rules differ by state. According to the National Conference of State Legislatures (NCSL) compilation and responsible state boards (current as of May 15, 2026), this registry compares education hours, initial and renewal fees, exams, background checks and reciprocity notes across 51 boards. Use the table to compare differences, then verify the current rule with the responsible board before applying.
Professional Engineer (PE) across 51 state boards. Nearest coverage peers (51-state band): Professional Geologist, Amusement Ride Operator, Animal Breeder.
Professional Engineer (PE): 51 boards · exam on 100% · avg first fee $270. Same-lane boards: Professional Geologist, Amusement Ride Operator, Animal Breeder.
Provides engineering services to the public. Requires FE + PE exams.
Professional Engineer (PE) initial fees swing $75 (NH) to $494 (CA), a $419 spread across 51 boards ; Professional Geologist often lands on a different fee band.
Board thresholds for Professional Engineer (PE) drift board-to-board; the same pattern shows up on Professional Geologist and Amusement Ride Operator in engineering. Methodology notes live on our methods page.
Professional Engineer (PE) states
51
Below median
Professional Engineer (PE) first fee
$270
Top quartile, highest
Professional Engineer (PE) renewal
$224
Top quartile, highest
Board gates for Professional Engineer (PE): exam on 51/51 (100%), background check on 0/51 (0%) , CE on 51/51 (avg 30 hrs/cycle) . Stack that against Professional Geologist / Amusement Ride Operator before calling this license soft or hard.
A $419 fee spread for the same credential
Initial licensing fees in New Hampshire ($ 75) and California ($ 494) bracket the field, a 6.6× spread for identical practice rights.
NH
CA
What to do with this
Professional Engineer (PE) is regulated in 51 states -- here's how to use that before you act.
Requirements are compiled from NCSL and Institute for Justice research and verified against state board sites where possible; always confirm current rules with the licensing board before relying on any single row.
Every figure on PlainCredential is rendered directly from NCSL and state occupational- licensing board data, no number is typed in by an editor. Professional Engineer (PE) requirements from NCSL and state board schedules: 51 rows, no hand-typed figures. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.