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CSLB C-9 Drywall (Trade Exam) Study Guide (2026)

This is the free study guide for the CSLB C-9 Drywall (Trade Exam) exam — the same content areas the exam tests, written to the official outline. Read any chapter online free below, then drill the material with 100+ free practice questions and a full timed mock exam.

Last updated: August 2026.

Open the full study guideEvery chapter, in one place — free to read online.

The 5 chapters

  1. 1Planning and Estimating18% of the exam
  2. 2Preparation, Framing, and Layout14% of the exam
  3. 3Installation and Repair32% of the exam
  4. 4Finishing17% of the exam
  5. 5Safety19% of the exam

Practice what you read

Reading is step one; recalling it under exam pressure is what passes. Drill free CSLB C-9 Drywall (Trade Exam) practice questions, then sit a full timed mock exam.

Free practice questions →Timed mock exam →Cheat Sheet →

Educational summary, not a substitute for the official material — always confirm current details with CSLB — C-9 study guide (13E-9). Last updated: August 2026.

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