CSLB Practice Portal

California Contractors License Law & Reference Book — 2026 Edition

2026

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Law and Business Practice Test

Scenario-based questions covering license law, labor codes, and business financial management.

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Law and Business Study Guide

Quick-reference summaries for mechanics liens, home improvement contracts, and safety regulations.

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C-33 Trade Practice Test

Test your knowledge on surface prep, coating systems, and specialized equipment for painters.

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C-33 Trade Study Guide

Detailed review of trade-specific safety (Cal/OSHA), material estimation, and application techniques.

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