General building contractor in Sonoma, CA

There are 22 General building contractor licenses with an address of record in Sonoma, CA, in the CSLB License Master data checked Oct 27, 2026. That is 0.2% of the 14,299 such licenses statewide; Sonoma ranks #194 of 874 CA cities for this license type. Most list Sonoma County. By business type: Corporation 13, Sole Owner 7, Limited Liability 1, Partnership 1. The median first-issue year is 2018; the oldest license dates from 2015. 13 of them come up for renewal or expiration in the next 12 months, so re-check status before you sign a contract.

What a General building contractor license covers

General Building (B) covers framed structures for shelter or occupancy. A B contractor may take a prime contract for a project that involves at least two unrelated building trades, or framing/carpentry alone; plumbing, electrical or HVAC alone needs that specialty license or the B contractor must hold it.

How to verify a license

Enter the license number in CSLB Instant License Check and confirm the status is active, the classification matches the work, and the contractor has a current bond and workers' compensation coverage (or a valid exemption). California requires the license number on contracts and advertising. Official lookup: CSLB Instant License Check.

General building contractor licenses in Sonoma

Showing 22 of 22, A to Z. Listing order is alphabetical, not a recommendation.