Underwood William Construction
Cotati · Sonoma County · CA
Verified
Bestopedia verdict
California’s contractor board lists Underwood William 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
- 22 / 30
- License continuity
- 10 / 10
- Workers' comp
- 12 / 12
- Contractor bond
- 8 / 8
The verified record
- CSLB license
- #686123 verify on CSLB ↗
- Classifications
- B
- Years licensed
- 32.3 years since 03/26/1994
- Contractor bond
- $25,000 Business Alliance Insurance Company
- Workers’ comp
- Current Benchmark Insurance Company
- Business type
- Sole Owner
- Qualifying principal
- William Arrington Underwood
- Address of record
- 357 East School Street, Cotati, CA 94931
Frequently Asked Questions
Is Underwood William Construction a licensed General Contractor contractor in California?
Yes. Underwood William Construction holds California CSLB contractor license #686123 with a B (General Building) classification. Current CSLB status: CLEAR (as of July 2026).
What work is Underwood William Construction licensed to perform?
Underwood William Construction is licensed for B (General Building).
Is Underwood William Construction bonded?
Yes. Underwood William Construction carries contractor's bond #G81115606889 for $25,000 through Business Alliance Insurance Company.
Does Underwood William Construction carry workers' compensation insurance?
Yes. Underwood William Construction has workers' compensation insurance on file with Benchmark Insurance Company, with a policy expiration of 10/01/2026.
How long has Underwood William Construction held its contractor license?
Underwood William Construction has held California contractor license #686123 since 03/26/1994, approximately 32 years (as of July 2026).
Where is Underwood William Construction located?
Underwood William Construction is based in Cotati, Sonoma County, CA 94931.