Contractor license exam prep — free, by state
Getting a contractor license is state-by-state — most states require a written Business & Law and trade exam. Pick your state below for free practice questions with explanations, study guides, and video lessons. No signup.
By state
We only list states with a real state-level contractor exam. More states are being added.
California (CSLB)
Law & Business + trade — the largest licensing state.
Florida (CILB)
Certified GC — national trade + Florida CILB state law.
Georgia
State board GC — Business & Law + NASCLA trade.
Virginia
DPOR Class A/B/C by project value.
North Carolina
NCLBGC building contractor — limited/intermediate/unlimited.
Arizona (ROC)
Registrar of Contractors — Statutes & Rules + trade.
Nevada (NSCB)
State Contractors Board — CMS Business & Law + trade.
Tennessee
Board for Licensing Contractors — $25k threshold.
South Carolina
LLR Contractor's Board — Financial Groups I–V.
National — NASCLA
The NASCLA Accredited Commercial General Building exam is accepted by ~17 states — pass once, license in many.
NASCLA Commercial GB Contractor Exam
115 questions, open-book. Free practice + explanations — accepted for the trade portion in ~17 states.
By trade (California C-licenses)
California licenses specialty trades separately — all require the CSLB Law & Business exam first.
Guides & how-to
Looking for other trades? Browse all Construction & Trades exams →