California C-39 Roofing License Requirements (2026)

The Contractors State License Board (CSLB) issues the C-39 Roofing classification under Business and Professions Code §7058 and CCR Title 16 §832.39. California requires licensure for any construction project where labor and materials total $500 or more. Roofing in California is tightly regulated: every C-39 applicant must prove four years of journey-level experience, pass the CSLB Law and Business exam plus the C-39 trade exam, post a $25,000 contractor bond, and (as of 2023) carry workers compensation regardless of employee count. California Title 24 Part 6 cool-roof requirements govern materials selection on most reroofs.

Regulatory Oversight

Under California Business & Professions Code §7000 et seq. (Contractors State License Law), Contractors State License Board (CSLB) is the body that issues this license and enforces compliance with it. The CSLB licenses and regulates contractors in 44 license classifications, investigates consumer complaints, enforces contractor license law, and prosecutes unlicensed activity through administrative, civil, and criminal action.

Official portal: https://www.cslb.ca.gov/
Address: 9821 Business Park Drive, Sacramento, CA 95827 (mailing: P.O. Box 26000, Sacramento, CA 95826)
Phone: (800) 321-CSLB (2752) — in California; (916) 255-3900 — outside California

Who May Apply

To qualify, an applicant must have reached age 18 and hold a valid Social Security Number or Individual Taxpayer Identification Number (ITIN). No California residency requirement.

Good moral character

CSLB conducts a full LiveScan fingerprint background under B&P §7069.5.

Background investigation

Mandatory LiveScan fingerprinting through the DOJ and FBI.

Required Experience and Education

The applicant must document and verify at least four years of full-time journey-level, foreman, supervisor, or contractor experience in the C-39 roofing trade within the last ten years. Keep payroll, tax, project, or supervisor records to support the claim, as the board can request proof for any period within its lookback window.

Accepted proof of experience or eligibility

CSLB Certification of Work Experience signed by a qualifier who has firsthand knowledge
Project list with addresses, scopes, and values
W-2 or 1099 records corroborating the qualifying period

Education substitution

Up to three years may be substituted with accredited technical school, apprenticeship, or degree education.

Examination Requirements

PSI Services LLC (under contract to CSLB) runs the examination for this credential. Issuance is contingent on passing every part below:

CSLB Law and Business Exam — 115 questions, 210 minutes, passing score 73%
C-39 Roofing Trade Exam — BUR, modified bitumen, single-ply, shingle, tile, metal, foam, cool-roof Title 24, hot-mop safety — 115 questions, 210 minutes, passing score 73%

Examination fee: $60 initial application fee includes the first exam attempt; $100 reschedule fee.

Retake policy: Failed exams may be retaken every 21 days. The application is valid 18 months.

Insurance and Financial Requirements

The CSLB requires a $25,000 contractor license surety bond to be on file before the license will issue.

General liability

CSLB does not require general liability as a condition of licensure but strongly recommends it. Market practice $1,000,000.

Workers' compensation

Mandatory for every C-39 roofing contractor regardless of employee count under SB 216 (effective 2023) and Labor Code §3700.5. Sole proprietors must carry coverage.

Additional financial requirements

CSLB does not require a financial statement beyond the contractor bond. A $25,000 Contractor Bond is the baseline; the bond of qualifying individual ($25,000) is required if the RMO or RME structure is used.

Licensing Fees

Fee	Amount
Application (non-refundable)	$450
Initial license	$250
Renewal (every 2 years)	$450

Keeping the License Current

Renewal of the California CSLB C-39 Roofing Contractor comes due every 2 years. As cited, the renewal fee stands at $450. Biennial renewal. Bond and workers comp must be active at renewal or the license is suspended.

Continuing education: No continuing education requirement.

Downloadable Asset

2026 California Roofing License Roadmap (PDF) — a printable step-by-step checklist for the application process.

Download the PDF roadmap →

Reciprocity and License Transfer

The NASCLA Accredited Examination is not accepted by California for this classification.

Reciprocal State	Accepted Exam	Conditions
Arizona	Trade exam waived	Bilateral CSLB–ROC reciprocity for active five-year C-39 holders.
Nevada	Trade exam waived	Bilateral CSLB–NSCB reciprocity for the corresponding C-15a class.
Utah	Trade exam waived	Bilateral CSLB–DOPL reciprocity for S330.
Louisiana	Trade exam waived	Bilateral CSLB–LSLBC reciprocity for commercial roofers.

The Law and Business exam is never waived by any reciprocity agreement.

Weighing more than one jurisdiction? The national hub compares Roofing license requirements in every state — exam, bond, fee, and experience thresholds side by side.

Application Process, Step by Step

Document four years of journey-level C-39 experience. CSLB Certification of Work Experience signed by a qualifier with firsthand knowledge within the ten-year lookback.
Submit the CSLB application. Application for Original Contractor License with $450 application fee.
Complete LiveScan fingerprinting. DOJ and FBI fingerprint background under B&P §7069.5.
Pass the Law and Business and C-39 exams. 73% on each. PSI administers both at testing centers throughout California.
Post the $25,000 Contractor Bond. Required under B&P §7071.6. Add the $25,000 Bond of Qualifying Individual if using an RMO or RME.
File workers compensation proof (SB 216). Every C-39 must file a workers compensation certificate regardless of whether employees are on payroll.
Receive the license and renew biennially. Initial license fee $250. Biennial renewal $450 plus active bond and workers comp certificate.

Document Checklist

The items below are the ones worth confirming before the application is filed with CSLB:

☐ CSLB Certification of Work Experience for four years
☐ Application for Original Contractor License with $450
☐ LiveScan DOJ/FBI fingerprint clearance
☐ PSI Law and Business pass certificate at 73%+
☐ PSI C-39 trade pass certificate at 73%+
☐ $25,000 Contractor Bond on CSLB form 13A-1
☐ Workers compensation certificate (mandatory under SB 216)
☐ $25,000 Bond of Qualifying Individual (RMO/RME only)

Recommended References

These are the preparation and reference materials tied to this credential — cited by the regulator or widely used by applicants. CLR earns nothing from listing them.

CSLB Contractors License Law and Reference Book — CSLB. Primary law study guide.
NRCA Roofing Manual — National Roofing Contractors Association. Primary technical reference.
California Building Code Chapter 15 — California Building Standards Commission. Roof assemblies including Title 24 cool-roof.
Title 24 Part 6 Energy Code Compliance Manual — California Energy Commission. Cool-roof compliance documentation.

Frequent Application Errors

Drawn from the board instructions and sources cited on this page, the pitfalls below are the ones most likely to slow down or sink a California Roofing application.

Ignoring SB 216 workers comp mandate

CSLB auto-suspends any C-39 without workers comp on file regardless of whether the contractor has employees. Former sole-proprietor exemptions are void.

Skipping Title 24 cool-roof documentation

Reroofs without CF1R/CF2R/CF3R compliance documents fail permit closeout and prevent warranty activation with GAF, CertainTeed, and Owens Corning.

Hot-mop kettle wildfire risk

Cal/OSHA and CAL FIRE cite hot-mop operations that lack a fire watch and spark containment in wildfire-prone counties. Some counties ban open-flame roofing during red-flag warnings.

Proposition 65 warning on coatings

Silicone and acrylic roof coatings sold in California must carry Prop 65 warnings. Applicators must provide the warning to building occupants before work begins.

RMO/RME swap without notice

If the Responsible Managing Officer or Employee leaves the company, CSLB must be notified within 90 days or the license is suspended under B&P §7068.2.

Other California Trade Licenses

If the Roofing license is not the right fit, the following published California trade guides are also covered by CLR:

Questions Applicants Ask

What is the California licensing threshold for roofing?

Any roofing project where the combined cost of labor and materials is $500 or more requires an active CSLB license under B&P §7048.

Does SB 216 really require workers comp for solo roofers?

Yes. Effective 2023 every C-39 licensee must carry workers compensation coverage regardless of employee count under Labor Code §3700.5. Sole-proprietor exemptions were eliminated for C-39, C-8, and D-49.

How much is the CSLB contractor bond?

$25,000 Contractor Bond is required at licensure. RMO/RME structures add a $25,000 Bond of Qualifying Individual.

What is Title 24 cool-roof compliance?

California Energy Code Title 24 Part 6 sets solar-reflectance and thermal-emittance minimums for most low-slope and steep-slope reroofs. Documentation (CF1R, CF2R, CF3R) is required at permit.

How often does the C-39 renew?

Every two years. Renewal fee $450. No continuing education requirement but the bond and workers comp must stay current.

Primary Sources

Regulatory requirements on this page are drawn from the official board, statute, and exam-provider materials listed below.

Verified 2026-05-23 · Next scheduled review 2026-08-21