A4 Builders LLC, B General Building Contractor in Danville, CA
A4 Builders LLC operating as a limited liability holds an active California contractor license (CSLB #1140321), valid through Feb 29, 2028. First issued in 2025, the license has been on the CSLB roster for 1 year. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Nationwide Mutual Insurance Company and active workers' compensation coverage from American Casualty Company of Reading PA. The business is based in Danville, in Contra Costa County, California.
- License Number
- 1140321
- Issued
- Jul 14, 2025
- Status
- CLEAR
- Expires
- Feb 29, 2028
- Entity
- Limited Liability
- Surety
- Nationwide Mutual Insurance Company
- Bond Number
- 7901211025
- Effective
- Feb 19, 2026
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- American Casualty Company of Reading PA
- Policy Number
- 8035733670
- Effective
- Dec 9, 2025
- Expires
- Dec 9, 2026
Recently licensed: the CSLB license is active and in good standing, issued within the last 2 years.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is A4 Builders LLC licensed in California?
Yes. A4 Builders LLC holds California Contractors State License Board license number 1140321, which is active and in good standing. The license was first issued on July 14, 2025. It is valid through February 29, 2028.
What does A4 Builders LLC specialize in?
A4 Builders LLC is licensed for one CSLB classification: B General Building Contractor.
Where is A4 Builders LLC headquartered?
A4 Builders LLC is headquartered at 335 Sutton Cir, Danville, CA 94506, in Contra Costa County, California.
Does A4 Builders LLC have an active surety bond on file with CSLB?
Yes. A4 Builders LLC has an active California contractor surety bond filed with Nationwide Mutual Insurance Company.
Does A4 Builders LLC carry workers' compensation coverage?
Yes. A4 Builders LLC carries active workers' compensation coverage through American Casualty Company of Reading PA.
How do I verify A4 Builders LLC's contractor license?
You can verify A4 Builders LLC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1140321.
- License issuedJul 14, 2025
- WC coverage startsDec 9, 2025
- Bond activeFeb 19, 2026
- WC expiresDec 9, 2026
- License expiresFeb 29, 2028
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