How to Become a Professional Engineer in Illinois
In Illinois, a PE license typically requires a state exam, a 70% passing score, and a $400 exam fee.
Signs off on engineering plans and public works. Requires an ABET-accredited degree, the FE then the PE exam (NCEES), plus state experience rules. Requirements change — always confirm with Illinois Department of Financial and Professional Regulation (IDFPR) before paying.
Licensing steps in Illinois
- 1Meet the basic requirements
Age and background check rules vary — confirm with the state board.
- 2Complete pre-license education
Required training hours are not published here — check with the state board for the current figure.
- 3Register and pass the exam
The exam is administered by NCEES (Pearson VUE); you need 70% to pass.
- 4Pay fees and get licensed
Exam fee $400 · application $175
- 5Stay current
License renews every 2 years with 30 hours of continuing education.
PE requirements — Illinois at a glance
| Education hours | — |
| Exam vendor | NCEES (Pearson VUE) |
| Questions (national/state) | — / — |
| Passing score | 70% |
| Exam fee | $400 |
| Application fee | $175 |
| License fee | — |
| First-attempt pass rate | not published |
| Retake rule | Up to 3 attempts per 12-month period (NCEES) |
| Renewal | every 2 years · 30 CE |
| Reciprocity | Yes — endorsement/reciprocity evaluated individually by IDFPR |
Official source: Illinois Department of Financial and Professional Regulation (IDFPR) ↗
Frequently asked questions
How long does it take to get a PE license in Illinois?
After completing the required education, most candidates need 4-12 weeks of study before the exam. Total timeline depends on scheduling.
How hard is the PE exam in Illinois?
Official first-attempt pass rates are not published by Illinois; check the state board.
What does the PE license cost in Illinois?
The exam fee is $400, the application fee is $175
Can I transfer my PE license to Illinois?
Reciprocity: Yes — endorsement/reciprocity evaluated individually by IDFPR.
Plan your PE licensing in Illinois
This guide is informational and not legal advice. Requirements change frequently — verify all figures with Illinois Department of Financial and Professional Regulation (IDFPR) (retrieved 2026-08-20).