Contractor License Proof
A licensed Roofing contractor at work on a California project

What is a C-39 roofing license in California?

C-39 is the CSLB classification for roofing contractors. A C-39 licensee is qualified to install, repair, and waterproof roof coverings and the related systems that make a roof weather-tight.

Verified against CSLB on · reflects current CSLB rules and California law.

Summary — key takeaways

  • C-39 is the CSLB classification for roofing contractors.
  • It covers installing, repairing, and waterproofing roof coverings.
  • C-39 roofers must carry workers' comp regardless of employees.
  • A B General Building license can qualify where the scope fits.
  • Browse Active C-39 roofers by city and confirm each one's dated CSLB status.

What a C-39 roofing license permits

Classifications matter: a contractor should hold the classification that covers your project. For a new roof or roof repair, look for an active C-39 (or a B General Building license where the scope qualifies).

The roofing workers' comp rule

C-39 roofers are required to carry workers' compensation insurance regardless of whether they have employees — a protection worth confirming, since roofing is high-risk work.

Find verified C-39 roofers

You can browse active C-39 roofing contractors by city in this directory and confirm each one's dated CSLB status before hiring.

Frequently asked questions

What can a C-39 roofing contractor do?

Install, repair, recover, and waterproof roof coverings and the related weatherproofing systems. For a new roof or roof repair, look for an Active C-39 license — or a B General Building license where the project scope qualifies.

Do C-39 roofing contractors need workers' comp?

Yes. C-39 roofing contractors must carry workers' compensation insurance regardless of whether they have employees. Confirm coverage before hiring.

Sources