C-9 Drywall Contractor Exam


  1. Commit to passing your California C-9 Drywall Contractor exam. Prepare to pass the exam at HOME, on your schedule; “Read, Listen, Watch, Learn, &  PASS!“
  2. Apply to the CSLB. We help you correctly fill out your C-9 Contractor License Application. Call us for assistance.
  3. Study. Our clients typically pass the exam on their 1st attempt! Follow the plan and pass your exam!”

All qualifying individuals must also pass the California Contractor Law & Business Exam (sold separately below)



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Pass the C-9 Drywall exam on your 1st attempt. Unleash the most effective and affordable C-9 contractors’ license course available in California. Our clients pass their C-9 Contractor trade exam.

Pass your C-9 Drywall Contractor exam; it’s as simple as 123!

ONE – Commit to passing your C-9 Contractor exam. Study at HOME and on your schedule.

  • Read our best in the industry C-9 exam preparation manual.
  • Learn the art of dominating a four-answer multiple-choice exam.
  • Engage with audio and video content featuring industry experts discussing construction math and Title 8 Health and Safety Rules.
  • Access hundreds of researched exam questions and answers.
  • Memorize key exam concepts with virtual flashcards and take non-graded practice quizzes.
  • Verify your knowledge with full-length, timed tests that simulate the actual exam.
  • PASS your C-9 Drywall Contractor exam the first time you test.

Study Online! Our multimedia contractor course is your best and most affordable method to pass your C-9 Contractor Trade Exam!

The most effective C-9 contractor exam course available in California at ANY price!

TWO – Apply to the CSLB. We will help! New online tools will help you correctly fill out your original C-9 Drywall contractor exam application. Fill out the form, call us for assistance, and schedule a free line-by-line review of your application before submission to the CSLB!

With our help, submitting a proper C-9 License application to the CSLB has never been easier!

THREE – Prepare for and pass your exam. Our students dramatically improve their test scores and pass their C-9 Drywall contractor exam.

When ready to test, schedule your exam through PSI. Please read the PSI Candidate Information Bulletin for more information. PSI – C-9 Drywall

IT’s A FACT! When you read something – eTEXTBOOKS, watch something – VIDEO FILES, hear something – AUDIO FILES, and then put that information to use – ONLINE PRACTICE QUESTIONS  & ONLINE EXAMS, your ability to retain our study materials increases exponentially!


Study at home! Don’t waste time commuting to a classroom. Study conveniently in your home or office. Our courses are a proven, reliable, and affordable way to pass the C-9 Drywall Contractor exam.


Choose your course format from either

eCourse – Online Manual (not printable), Online A/V (Audio/Video), & Online Testing

Or Printed Manual + Online A/V (Audio/Video) & Online Testing

Or Printed Manual + CDs, DVD’s, & Online Testing

Our C-9 Drywall Contractor License Trade Exam Course includes the following course materials to maximize your study efforts.

  • Trade Specific Textbooks
  • Audio Lectures
  • Video Lectures
  • Online Practice Questions
  • Simulated Online Exams


The C-9 Drywall Contractor exam manual covers the essential topics of the California C-9 Drywall contractor license exam. Topics include Tools and Materials, Preparation, Attaching Drywall to Wood or Metal Framing, Semisolid and Solid Partitions, Metal Door Framing, Joint and Surface Treatments, Repairs in Drywall, Fire Resistance, Sound Control, Title 8 Health and Safety Orders, and Drywall Review Questions.

The C-9 Drywall Contractor Study Guide contains the following sections:

  • MATH REVIEW: covers math and estimating formulas, units of measurement, elementary geometry, and the architect’s scale.
  • GENERAL KNOWLEDGE: This contains basic trade information all students must know to pass the C-9 Trade exam.
  • HEALTH AND SAFETY: Our comprehensive health and safety section familiarizes students with Title 8 and other regulations and practices.
  • REVIEW QUESTIONS: Lists the most difficult questions, indexed to the relevant section of the manual.


Streaming online Audio/Video files or CDs & DVDs. Expert instructors with decades of experience cover fundamental C-9 Drywall exam concepts in greater detail. Our audio/video lectures cover specific trade exam knowledge, Math Formulas, and Title 8 Health & Safety lectures.


  • FLASHCARDS: The online flashcard program tracks your history and also allows you to exclude questions you have already learned.
  • PRACTICE EXAMS: Three final practice exams, each timed to simulate actual exam conditions. The course also includes two Title 8 Health & Safety tests. (Exams are approximately 110 questions each.) Our C-9 and Title 8 Health and Safety update list any new questions to reflect changing trends in exam focus.


Get help filling out your contractor exam application or request a free review of your completed form before submission. All students in our C-9 Drywall course can call us at (866) 685 8564 for assistance.

ONE YEAR UNLIMITED ACCESS: To All Online eBooks, Audio/Video, Test Questions & Simulated Final Exams.

We provide complete access to all online course materials for an entire year. Other schools may offer only 90-day access to online tools to charge you extra for extended access to study materials.

Pass the C-9 Contractor trade Exam. Printed Manual, CDs, DVDs, & Online Testing. Only $249!


A detailed breakdown of the makeup of the C-9 Drywall Contractor trade exam. A list of all the reference materials used to create the C9 exam & the scope of the C-9 Drywall contractor classification.

The C9 Drywall exam contains five major sections:

Section 1. Planning and Estimating (19% of C-9 Exam)

  • Evaluate plans and specifications
  • Estimate and perform mathematical calculations
  • Evaluate material specifications

Section 2. Preparing for Installation (14% of C-9 Exam)

  • Evaluate job site readiness
  • Manage materials on the job site
  • Layout various assembly types
  • Install metal framing systems
  • Install backing

Section 3. Install Drywall, Ceilings, and Related Materials (28% of C-9 Exam)

  • Install various ceiling assemblies
  • Install standard wallboard assemblies
  • Install fire-rated wallboard assemblies
  • Install specialty wallboard assemblies
  • Install trims
  • Repair damaged drywall systems

Section 4. Finishing (22% of C-9 Exam)

  • Select and mix various compounds
  • Select the level of finish
  • Prepare and tape surfaces
  • Finish and coat surfaces
  • Sand and sponge wallboard
  • Texture surfaces

Section 5. Safety (17% of C-9 Exam)

  • Personal safety procedures
  • Job site safety procedures
  • Operate tools and equipment safely
  • Work safely at elevated heights

*Percentages are approximate

The C-9 Drywall exam source material:

The CSLB utilizes the following publications to create the Drywall Contractor exam. California codebooks are viewable online: www.bsc.ca.gov

2022 California Building Code. California Code of Regulations, Title 24. International Code Council.
Free Access: https://www.dgs.ca.gov/BSC/Codes
Purchase: http://www.iccsafe.org

Application and Finishing of Gypsum Panel Products. Gypsum Association.
Phone: (888) 264-2665
Purchase: www.bnibooks.com/gypsum

ASTM Standard Specification C754-15; C840-19b. ASTM International.
Phone: (877) 909-2786
Purchase: www.astm.org

Commercial Metal Stud Framing. Craftsman Book Company.
Phone: (800) 829-8123
Purchase: www.craftsman-book.com

Fire Resistance Design Manual & Sound Control. Gypsum Association.
Phone: (888) 264-2665
Purchase: www.gypsum.org

The Gypsum Construction Handbook. USG Corporation.
Phone: (800) 950-3839
Purchase: www.usg.com

Recommended Levels of Gypsum Board Finish; Application and Finishing of Gypsum Panel Products. Gypsum Association.
Phone: (888) 264-2665
Purchase: www.bnibooks.com/gypsum

State of California General Industry & Electrical Safety Orders (Cal/OSHA) and State of California Construction & Electrical Safety Orders (Cal/OSHA). 2022. California Code of Regulations, Title 8. Mancomm.
Phone: (877) 626-2666
Purchase: http://www.mancomm.com

*Publisher information is current as of 12/22


A C-9 drywall contractor lays out and installs gypsum wallboard and gypsum wallboard assemblies, including nonstructural metal framing members, and performs the taping and texturing operations, including the application of compounds that adhere to wall board to produce a continuous smooth or textured surface.

Authority cited: Sections 7008 and 7059, Reference: Sections 7058 and 7059 (Business and Professions Code)


A STAND-ALONE COURSE – Required For Your 1st Contractors License

We offer our contractor exam study materials as two separate courses;

  1. C-9 TRADE EXAM.
  2. LAW & BUSINESS EXAM. (Each course is sold separately)


Pass the Law & Business Exam

📚 Pass the Law & Business Exam for Your Original Contractor’s License

  • Law & Business Exam Focus: This exam concentrates on California Contractor Law and best business practices.
  • Path to Success: To qualify for your first contractor’s license, you must pass both the TRADE and LAW exams. Utilize our resources to “Read, Watch, Listen, Learn, and PASS!”

Prepare for both exams to ensure you meet all the requirements for your original contractor’s license. With the right resources and study habits, you’re on your way to becoming a licensed contractor.



* Shipping fees apply for the options not fully online.

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Take a free C-9 Drywall contractor practice test. These free C-9 trade exam questions are similar to the ones you will encounter when taking the actual C-9 contractors exam.

You are off to a strong start if you readily answer seven or more questions correctly without guessing.
However, if you miss three or more questions, you risk failing the TRADE portion of the C-9 Exam.

How many square feet of wallboard is needed to cover both sides of a wall that is 26 feet long and 14 feet high?
For safety, what should be done when there is a break or change of elevation of 18” or more in a hallway floor?
Which of the following is the MOST likely to cause high joints?
Add description here!
What reference should be used to layout the exact door locations?
How far should you feather out for a corner bead with joint compound?
How many coats of joint compound should you use to cover nail heads at joints?
How do you fix out-of-level trusses When hanging boards on a ceiling
What is the term for straight hairline cracks at one or both sides of the joint tape that show through the finish coat or paint?
The taping of gypsum board application, without subsequent finishing coats, usually used in attics or mechanical areas where appearance is not critical is known as what?
Which type of sanding is required between the second coat and the finishing coat?
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We want to talk to you if you found these practice questions helpful!

Think about how useful it would be to access hundreds of researched C-9 exam questions and answers, learn the theory and meaning behind each question, memorize key concepts with virtual flashcards, take non-graded practice quizzes, and verify your knowledge with full-length, timed practice exams.

Call us at 866-685-8562 for a free licensing consultation.