Window Factory
Greenbrae · Marin County · CA
Verified
Bestopedia verdict
California’s contractor board lists Window Factory 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
- 19.7 / 30
- License continuity
- 10 / 10
- Workers' comp
- 12 / 12
- Contractor bond
- 8 / 8
The verified record
- CSLB license
- #781086 verify on CSLB ↗
- Classifications
- B, C-17
- Years licensed
- 26.0 years since 06/30/2000
- Contractor bond
- $25,000 American Contractors Indemnity Company
- Workers’ comp
- Current Endurance Assurance Corporation
- Business type
- Corporation
- Qualifying principal
- Jaclyn Blum Guelfi
- Address of record
- 2100 Redwood Hwy, Greenbrae, CA 94904
Frequently Asked Questions
Is Window Factory a licensed General Contractor contractor in California?
Yes. Window Factory holds California CSLB contractor license #781086 with a B (General Building) classification. Current CSLB status: CLEAR (as of July 2026).
What work is Window Factory licensed to perform?
Window Factory is licensed for B (General Building), plus additional classifications: C-17.
Is Window Factory bonded?
Yes. Window Factory carries contractor's bond #100222569 for $25,000 through American Contractors Indemnity Company.
Does Window Factory carry workers' compensation insurance?
Yes. Window Factory has workers' compensation insurance on file with Endurance Assurance Corporation, with a policy expiration of 11/05/2026.
How long has Window Factory held its contractor license?
Window Factory has held California contractor license #781086 since 06/30/2000, approximately 26 years (as of July 2026).
Where is Window Factory located?
Window Factory is based in Greenbrae, Marin County, CA 94904.