Pass Your Contractor's Test On Your First Try!

Peerless Institute has been helping applicants pass their California Contractor's test since 1953. Our materials are created by professional construction educators and reviewed by active contractors for accuracy and completeness. We are the oldest contractor's school in California and our students have a 97% pass rate!

Get Started
★ ★ ★ ★ ★
4.6 out of 5 based on 488 Google reviews

Pass Your Contractor's Test On Your First Try!

Peerless Institute has been helping applicants pass their California Contractor's test since 1953. Our materials are created by professional construction educators and reviewed by active contractors for accuracy and completeness. We are the oldest contractor's school in California and our students have a 97% pass rate!

Get Started
★ ★ ★ ★ ★
4.6 out of 5 based on 488 Google reviews
Pass Your Contractor's Test On Your First Try!

Pass Your Contractor's Test On Your First Try!

Peerless Institute has been helping applicants pass their California Contractor's test since 1953. Our materials are created by professional construction educators and reviewed by active contractors for accuracy and completeness. We are the oldest contractor's school in California and our students have a 97% pass rate!

Get Started
★ ★ ★ ★ ★
4.6 out of 5 based on 488 Google reviews
Pass Your Contractor's Test On Your First Try!

Pass Your Contractor's Test On Your First Try!

Peerless Institute has been helping applicants pass their California Contractor's test since 1953. Our materials are created by professional construction educators and reviewed by active contractors for accuracy and completeness. We are the oldest contractor's school in California and our students have a 97% pass rate!

Get Started
★ ★ ★ ★ ★
4.6 out of 5 based on 488 Google reviews
Pass Your Contractor's Test On Your First Try!

California's Oldest Contractor School

Since 1953

10k
contractors helped
97%
pass rate

Think you're ready? Take a free practice test

Popular: Law and Business C-10: Electrical C-36: Plumbing General Building (B) C-20: HVAC C-39: Roofing C-5: Framing
All Free Practice Tests →

Bronze

Basic exam prep for your specialty trade

$ 150

What you get:

  • ✓ One course book covering your chosen specialty trade (see our options below)
  • OR Set of practice exams for your chosen specialty trade (comes with 6-8 exams of 100 questions each)
  • ✓ Email Support
Enroll

Silver

Be even more prepared with extra exams and course materials for your specialty trade

$ 250 Save $50

What you get:

  • ✓ One course book covering your chosen specialty trade (see our options below)
  • ✓ Set of practice exams for your chosen specialty trade (comes with 6-8 exams of 100 questions each)
  • ✓ Email Support
Enroll
Most popular

Gold

Be fully prepared for your Law and Business AND specialty trade test

$ 375 Save $225

What you get:

  • ✓ One course book covering your chosen specialty trade (see our options below)
  • ✓ Set of practice exams for your chosen specialty trade (comes with 6-8 exams of 100 questions each)
  • ✓ Set of practice exams for Law and Business
  • ✓ Priority Email Support
Enroll

How our pricing compares

Prices verified August 4, 2026

Peerless online practice exam

$150

Online practice exam for one trade, auto-graded, answer explanations

Practice questions Published per trade (13,901 total)

Peerless Silver bundle

$250

Printed study guide book plus the online practice exam

Practice questions Published per trade

Peerless Gold bundle

$375

Book and practice exam, plus Law & Business

Practice questions Published per trade

CSLS Home Study

$295

Law & Business binder, trade binder, online audio/video, practice exams

Practice questions Not disclosed

Contractor License Guru trade kit

$300–$495

Printed manual, optional audio/video, online or paper practice exams

Practice questions Not disclosed

See the full trade-by-trade comparison →

California contractor exam prep guides

Free, source-backed guides to the CSLB exams — by trade, by topic, and by region.

Start here

Law & Business

Trade guides

By area

About & compare

We have courses for the following specialties

Proven results

Michael M.

Peerless helped me pass my tests on the first try! The practice exams were very helpful to me.

Sarah J.

This is a great deal! The book and exams were the most affordable out of all the choices I found and prepared me well for the contractor exam.

John D.

I bought the General B book and practice exams and they were very good. They helped me prepare for the tests and pass!

★ ★ ★ ★ ★

4.6 out of 5 based on 488 Google reviews