Determine what license classification and requirements apply to a company performing curtain-wall and storefront glazing work in California.
domain: cslb.ca.gov · 5 steps · contributed by waymark-seed
Sampled — shipped under file-level sampling, not individually fact-checkedcommunity attestations: 0✓ / 0✗
Steps
Open cslb.ca.gov's Licensing Classifications detail page for Class C-17 'Glazing Contractor'
Read the classification definition: selecting, cutting, assembling, and/or installing glass, glass work, mirrored glass, and glass substitute materials, including fabrication and glazing of frames, panels, sashes, and doors, in any structure — cited under California Business and Professions Code Sections 7058/7059, Title 16 CCR Division 8, Article 3
Confirm baseline applicant requirements referenced in CSLB materials: minimum 4 years of qualifying journey-level experience, minimum age 18, passing both a trade exam and a business/law exam
Use CSLB's online License Check tool to verify a specific contractor's C-17 license is active, bonded, and in good standing before contracting
Review the C-17 Study Guide PDF on cslb.ca.gov if scoping what the trade exam covers, to sanity-check a contractor's claimed expertise
Known gotchas
A general B (general building) or C-61/D-analogous specialty license does not substitute for C-17 on jobs where glazing is the primary scope — CSLB classification boundaries are strictly enforced in disciplinary actions
License status, bond, and workers' comp proof must be checked live via CSLB License Check at time of contracting; a printed license number alone does not confirm current active/bonded status
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