California CSLB · now covering 15 states

Pass your contractor license exam the first time.

State-specific contractor license exam prep—drills, timed practice exams, and a readiness score for your Law & Business and trade exams.

One shared exam, plus your trade

Nearly every California contractor takes the same CSLB Law & Business exam, then a second exam for their classification. We prep you for both.

Required for every classification

Law & Business

The shared CSLB exam — contracts, finances, employment, licensing law, and safety.

General Engineering

Trade exam prep for the A classification.

General Building

Trade exam prep for the B classification.

B-2

Residential Remodeling

Trade exam prep for the B-2 classification.

C-8

Concrete

Trade exam prep for the C-8 classification.

C-10

Electrical

Trade exam prep for the C-10 classification.

C-15

Flooring and Floor Covering

Trade exam prep for the C-15 classification.

C-20

Warm-Air Heating, Ventilating and Air-Conditioning (HVAC)

Trade exam prep for the C-20 classification.

C-27

Landscaping

Trade exam prep for the C-27 classification.

C-33

Painting and Decorating

Trade exam prep for the C-33 classification.

C-36

Plumbing

Trade exam prep for the C-36 classification.

C-39

Roofing

Trade exam prep for the C-39 classification.

1. Diagnostic
A short baseline test finds your weak topics before you waste study hours.
2. Targeted drills
Topic-focused question drills with explanations, weighted toward what you miss.
3. Timed practice exams
Full-length simulations with a readiness score that tells you when you're ready to book.