Williams Construction
Fairfield · Solano County · CA
Verified
Bestopedia verdict
California’s contractor board lists Williams Construction with a license standing of CLEAR. A contractor bond is on file, and workers’ compensation coverage is current.
- License standing
- 25 / 25
- Clean record
- 15 / 15
- Track record
- 23.5 / 30
- License continuity
- 10 / 10
- Workers' comp
- 12 / 12
- Contractor bond
- 8 / 8
The verified record
- CSLB license
- #579539 verify on CSLB ↗
- Classifications
- B
- Years licensed
- 36.7 years since 10/17/1989
- Contractor bond
- $25,000 Business Alliance Insurance Company
- Workers’ comp
- Current State Compensation Insurance Fund
- Business type
- Sole Owner
- Qualifying principal
- James Mark Williams
- Address of record
- P O Box 2160, Fairfield, CA 94533
Frequently Asked Questions
Is Williams Construction a licensed General Contractor contractor in California?
Yes. Williams Construction holds California CSLB contractor license #579539 with a B (General Building) classification. Current CSLB status: CLEAR (as of July 2026).
What work is Williams Construction licensed to perform?
Williams Construction is licensed for B (General Building).
Is Williams Construction bonded?
Yes. Williams Construction carries contractor's bond #G101009697465 for $25,000 through Business Alliance Insurance Company.
Does Williams Construction carry workers' compensation insurance?
Yes. Williams Construction has workers' compensation insurance on file with State Compensation Insurance Fund, with a policy expiration of 10/01/2026.
How long has Williams Construction held its contractor license?
Williams Construction has held California contractor license #579539 since 10/17/1989, approximately 37 years (as of July 2026).
Where is Williams Construction located?
Williams Construction is based in Fairfield, Solano County, CA 94533.