Ac3, A General Engineering Contractor in Lafayette, CA
Ac3 operating as a corporation holds an active California contractor license (CSLB #647234), valid through Jun 30, 2026. First issued in 1992, the license has been on the CSLB roster for 34 years. It carries 3 CSLB classifications: A General Engineering Contractor, C-10 Electrical Contractor, and C-61/D-21 Machinery and Pumps Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and active workers' compensation coverage from Starnet Insurance Company. The business is based in Lafayette, in Contra Costa County, California.
- License Number
- 647234
- Issued
- Jun 9, 1992
- Status
- CLEAR
- Expires
- Jun 30, 2026
- Entity
- Corporation
- Surety
- American Contractors Indemnity Company
- Bond Number
- SC699207
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Starnet Insurance Company
- Policy Number
- KRM156816667
- Effective
- Aug 1, 2025
- Expires
- Aug 1, 2026
This contractor warrants a closer look before contracting:
- License expires in 2 days
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Ac3 licensed in California?
Yes. Ac3 holds California Contractors State License Board license number 647234, which is active and in good standing. The license was first issued on June 9, 1992. It is valid through June 30, 2026.
What does Ac3 specialize in?
Ac3 is licensed for 3 CSLB classifications: A General Engineering Contractor, C-10 Electrical Contractor, and C-61/D-21 Machinery and Pumps Contractor.
Where is Ac3 headquartered?
Ac3 is headquartered at 3469 Mt Diablo Blvd, Lafayette, CA 94549, in Contra Costa County, California.
Does Ac3 have an active surety bond on file with CSLB?
Yes. Ac3 has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Ac3 carry workers' compensation coverage?
Yes. Ac3 carries active workers' compensation coverage through Starnet Insurance Company.
How do I verify Ac3's contractor license?
You can verify Ac3's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=647234.
- License issuedJun 9, 1992
- Bond activeJan 1, 2023
- WC coverage startsAug 1, 2025
- License expiresJun 30, 2026
- WC expiresAug 1, 2026
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