How many licensed contractors are in Sonoma, California?

There are 371 contractors registered with the California Contractors State License Board (CSLB) in Sonoma. Of these, 358 hold active licenses (96%). SiteVetter's Sonoma contractor license lookup cross-checks each record against 6 data sources including SAM.gov, OSHA, DOL, EPA, and building permits.

How do I look up a contractor license in Sonoma?

To look up a Sonoma contractor license: (1) Check CSLB license status, (2) Confirm workers' compensation insurance, (3) Verify the contractor bond, (4) Search SAM.gov for federal debarments, (5) Check OSHA and DOL for safety or wage violations. SiteVetter runs these checks in seconds.

What percentage of Sonoma contractors have federal violations?

5.4% of contractors in Sonoma (20 out of 371) have at least one record in federal databases including SAM.gov debarments, DOL wage violations, OSHA safety citations, or EPA environmental violations. These records don't automatically mean a contractor is unsafe, but warrant review before hiring.

Licensed Contractors in Sonoma, CA | CSLB License Lookup

Sonoma Contractor License Lookup

Use this page when you need a Sonoma contractor license lookup, a list of licensed general contractors in Sonoma, or a fast way to screen specialty subs before bid award. Each profile starts from CSLB license data and adds federal safety, wage, debarment, environmental, and permit records.

These records cover contractors based in Sonoma. The list includes general building contractors and specialty trades, with license number, status, primary classification, and federal record count shown before you open a full profile.

Of the 371 CSLB-registered contractors in Sonoma, 96% hold active licenses and 20 have at least one record in federal databases. For GCs verifying subs, that means a standard CSLB status check is only the first pass; the risk review also needs workers' comp, bond, SAM.gov, OSHA, DOL, EPA, and permit checks.

What to Check for Sonoma Contractors

CSLB License: Confirm Active status (not Suspended, Revoked, or Expired)
Workers' Comp: Verify current coverage; exempt status means no employees
Contractor Bond: California requires $25,000 minimum (SB 607, Jan 2023)
Federal Debarment: Search SAM.gov for exclusion records
Safety & Wage History: Check OSHA citations and DOL wage violations

Licensed Contractors in Sonoma, CA

Sonoma Contractor License Records

Sonoma Contractor License Lookup

What to Check for Sonoma Contractors