如何取得 California C-39 Roofing Contractor 执照
To get a roofing contractor license in California, apply for the CSLB C-39 Roofing classification, document four years of qualifying roofing experience, pass the C-39 trade exam and the Law and Business exam, then finish issuance items such as the bond, initial license fee, asbestos open-book exam, and workers compensation coverage. The C-39 license covers roofing work that seals, waterproofs, and weatherproofs structures.
| Quick fact | Current answer |
|---|---|
| License code | C-39 Roofing |
| Main scope | Roofing systems and repairs that seal, waterproof, or weatherproof structures |
| Exams required | C-39 trade exam plus Law and Business |
| Experience required | Four years of qualifying experience in the classification |
| CSLB application fee | $450 original application fee, as of July 2026 (CSLB fees) |
| Initial license fee | $200 sole owner or $350 non-sole owner, as of July 2026 (CSLB issuance) |
| Bond | $25,000 contractor bond (CSLB issuance) |
| Workers comp note | C-39 roofing contractors may not use the no-employee workers compensation exemption (CSLB issuance) |
Do you need a roofing contractor license in California?
You need the C-39 classification when you contract for standalone roofing work in California. CSLB defines a roofing contractor as one who installs products and repairs surfaces that seal, waterproof, and weatherproof structures, including shingles, shakes, tile, slate, metal roofing, urethane foam, and membrane roofing materials (CSLB C-39 classification).
The license fits roof replacement, tear-off and re-roof work, roof repairs, flashing, underlayment, waterproofing membranes, low-slope systems, steep-slope systems, and weatherproofing. It does not make you a general building contractor, solar contractor, sheet metal contractor, or structural repair contractor outside the roofing scope.
The practical test is the contract. If the customer is hiring you for roofing as the main work, plan around C-39. If roofing is one part of a larger multi-trade project, classification and subcontracting rules matter, so check the scope before you bid.
Requirements
CSLB requires at least four years of qualifying experience in the classification. The experience must be at journey level or as a foreman, supervising employee, contractor, or owner-builder, and it must be verifiable by someone with firsthand knowledge (CSLB experience).
For roofing, do not describe the experience as only "construction labor." Be specific. A stronger experience record mentions tear-off, deck inspection, underlayment, flashing, roof penetrations, low-slope systems, steep-slope materials, waterproofing, estimating, safety setup, and repair work. The person certifying your experience should be able to confirm the roofing work, not just that you were on a jobsite.
The application process, step by step
- Confirm C-39 is the right classification for the contracts you want.
- Gather experience details before you ask someone to certify them.
- Submit the original contractor license application with the $450 application fee, as of July 2026 (CSLB applying).
- Watch for CSLB's acknowledgment and instructions after the application is accepted.
- Complete Live Scan fingerprinting when instructed.
- Schedule and pass the C-39 trade exam and Law and Business exam through PSI.
- After passing, submit the initial license fee, the $25,000 contractor bond, the asbestos open-book exam, and workers compensation documents.
The exams
The C-39 exam is closed book and multiple choice. CSLB's official C-39 study guide weights the exam this way: planning and estimating 22%, job site preparation 13%, low-slope roof projects 17%, steep-slope roof projects 26%, and safety 22% (CSLB C-39 study guide).
CSLB gives 3.5 hours for each exam. Applicants who fail must wait 21 calendar days to pay and reschedule, and they have 18 months from application acceptance to pass the required exams (CSLB exam process).
The study order should follow the weights. Steep-slope work, low-slope work, planning, and safety carry most of the exam. Do not spend all your time memorizing product names while leaving estimating or jobsite safety weak.
How to prepare
Start with the free CSLB C-39 study guide, because it gives the official topic map. Then use the Peerless C-39 Roofing Study Guide Book to turn that map into study sessions. The C-39 practice exam and bundles are not live yet, so this post does not link to draft products.
Every applicant also needs Law and Business. Pair the roofing book with the Law and Business Online Practice Exam, then review every missed answer until you can explain the rule in jobsite language. For broader licensing steps, keep the California contractor license roadmap handy, and review the new California contractor laws before you submit contracts or hire help.
After you pass
Passing the exams does not issue the license by itself. CSLB still requires issuance items, including the initial license fee, a $25,000 bond, and the asbestos open-book exam (CSLB issuance).
Roofing has one extra budget issue: C-39 contractors may not submit the no-employee workers compensation exemption. Treat workers compensation as part of the license cost before you quote your first jobs. A cheap exam plan does not help if the issuance paperwork stalls after you pass.
FAQ
Can a B contractor do roofing work?
A General Building B contractor may take projects that fit the B classification, but standalone roofing work is different. If the customer is hiring you mainly for roofing, C-39 is the cleaner classification. For larger multi-trade jobs, confirm whether the roofing is properly handled by your license scope or by a qualified subcontractor.
Do C-39 roofing contractors need workers compensation?
Yes. CSLB lists C-39 roofing among the classifications that may not submit the no-employee workers compensation exemption. That means roofing applicants should price workers compensation before they assume the license is ready to issue. It is not just a renewal detail.
Is the C-39 exam open book?
No. The CSLB C-39 study guide identifies the exam as closed book and multiple choice. Study with notes early, then practice without notes before test day so the format does not surprise you at PSI.
How much does the C-39 application cost?
The CSLB original application fee is $450 as of July 2026. After you pass, CSLB also requires the initial license fee, which is $200 for a sole owner and $350 for a non-sole owner, plus the bond and other issuance items.
Are Peerless questions copied from CSLB?
No. CSLB exam questions are confidential. Peerless materials are study tools based on the public CSLB topic areas. The goal is to learn the roofing rules and jobsite decisions behind the answer, not to memorize protected exam content.
Sources
- CSLB: C-39 Roofing Contractor classification
- CSLB: C-39 Roofing study guide
- CSLB: Qualifying Experience
- CSLB: Applying for the Examination
- CSLB: My Original Exam Application Was Accepted
- CSLB: Issuing My License
Peerless Institute has helped Californians pass CSLB exams since 1953. Use the Peerless C-39 Roofing Study Guide Book for C-39 trade prep and the Law and Business Online Practice Exam for the exam every applicant must pass.