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C46 Solar License (California)

California has 1,137 active C46 Solar holders in the state file as of 2026-10-29¹, the 36th-largest of 64 classes with at least 200 holders. 24 of them expire by 2026-12-28.

Active holders: 1,137; 0.5% of active California licenses
Expiring by 2026-12-28: 24; 2.1% of holders
Median bond on file: $25,000; 1,135 bonds
Workers' comp exempt: 33.5%; of 1,137 with WC status

How many C46 contractors are exempt from workers' comp?

381 of 1,137 active C46 holders with a recorded status (33.5%) filed an exemption¹, against 48.7% across all California classes.

How do you check a C46 license?

Search by license number or business name on the California license lookup, which reads the same state file.

Other California license classes

C2 Insulation and Acoustical1,171
C60 Welding1,077
C43 Sheet Metal1,278
C23 Ornamental Metal1,067
D34 Prefabricated Equipment1,363
D21 Machinery and Pumps1,042
D06 Construction Clean-up1,446
C5 Framing and Rough Carpentry1,036

All 64 classes

Sources

CA CSLB License Master (cslb.ca.gov data portal) (cslb.ca.gov, 2026-10-29)