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Who Needs A California Contractors License & What Kinds Are There?

In California, anyone who contracts to perform work on a project that is valued at $500 or more for labor and materials must hold a current, valid license from the CSLB. more...

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CSLS Online Programs

In addition to the popular In-School Law & Trade Exam Preparation Program, Contractors State License Services offers these online options:

Practice Exams & Companion Guides

Existing students click here to LOGIN to STSONLINE practice Exams & Companion Guides


Contractor Online Learning & Training Center (COLT)

Existing students click here to LOGIN to Contractor Online Learning & Training (COLT)

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Contractors License Exam Preparation:
C-9 Drywall

Doing business as a C-9 Drywall Contractor, you can provide services for both commercial and residential properties. In the state of California you must pass the CSLB state exam for a specialty C-9 Drywall contractor’s license in order to set up your own drywall contractor business. Here at Contractors State License Services we can assist you in passing the contractor’s exam. We offer a variety of courses to meet a variety of educational needs; including live in-school and on-line instruction, on-line practice tests, study guides, and crash courses. Contractors State License Services has over 25 locations located throughout California and over 20 years experience in helping contractors pass the Law and Trade portions of the CSLB exam. Preparation for the exam will include study material in the areas of

  • Job Planning
  • Site Inspection & Preparation
  • Framing Assembly
  • Drywall Installation
  • Taping
  • Finishing
  • Safety

Running a business as a Drywall licensed contractor will allow you to offer services and installations in the following areas:

  • Installation & Finishing of drywall in new structures
  • Installation of drywall for remodels
  • Patching/Repairing of drywall
  • Metal Stud Framing
  • Acoustic Ceiling removal
  • Sound Control
  • Suspended Ceilings

The CSLB defines a Drywall contractor as follows:

A drywall contractor lays out and installs gypsum wall board and gypsum wall board 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.