William Patrick Builders, B General Building Contractor in Sonoma, CA
William Patrick Builders operating as a sole owner holds an active California contractor license (CSLB #957417), valid through Feb 28, 2027. First issued in 2011, the license has been on the CSLB roster for 15 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Business Alliance Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Sonoma, in Sonoma County, California.
- License Number
- 957417
- Issued
- Feb 7, 2011
- Status
- CLEAR
- Expires
- Feb 28, 2027
- Entity
- Sole Owner
- Surety
- Business Alliance Insurance Company
- Bond Number
- G150729485467
- Effective
- Jul 25, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Feb 16, 2025
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is William Patrick Builders licensed in California?
Yes. William Patrick Builders holds California Contractors State License Board license number 957417, which is active and in good standing. The license was first issued on February 7, 2011. It is valid through February 28, 2027.
What does William Patrick Builders specialize in?
William Patrick Builders is licensed for one CSLB classification: B General Building Contractor.
Where is William Patrick Builders headquartered?
William Patrick Builders is headquartered at 18812 Polley Lane, Sonoma, CA 95476, in Sonoma County, California.
Does William Patrick Builders have an active surety bond on file with CSLB?
Yes. William Patrick Builders has an active California contractor surety bond filed with Business Alliance Insurance Company.
Does William Patrick Builders carry workers' compensation coverage?
William Patrick Builders reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify William Patrick Builders's contractor license?
You can verify William Patrick Builders's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=957417.
- License issuedFeb 7, 2011
- WC coverage startsFeb 16, 2025
- Bond activeJul 25, 2025
- License expiresFeb 28, 2027
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