Antonini Construction, B General Building Contractor in Cotati, CA
Antonini Construction operating as a sole owner holds an active California contractor license (CSLB #646696), valid through Aug 31, 2027. First issued in 1992, the license has been on the CSLB roster for 34 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and an exempt workers' compensation status (no employees on payroll). The business is based in Cotati, in Sonoma County, California.
- License Number
- 646696
- Issued
- Jun 2, 1992
- Status
- CLEAR
- Expires
- Aug 31, 2027
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100980743
- Effective
- Jul 29, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Aug 7, 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 Antonini Construction licensed in California?
Yes. Antonini Construction holds California Contractors State License Board license number 646696, which is active and in good standing. The license was first issued on June 2, 1992. It is valid through August 31, 2027.
What does Antonini Construction specialize in?
Antonini Construction is licensed for one CSLB classification: B General Building Contractor.
Where is Antonini Construction headquartered?
Antonini Construction is headquartered at 435 Christensen Court, Cotati, CA 94931, in Sonoma County, California.
Does Antonini Construction have an active surety bond on file with CSLB?
Yes. Antonini Construction has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Antonini Construction carry workers' compensation coverage?
Antonini Construction reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Antonini Construction's contractor license?
You can verify Antonini Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=646696.
- License issuedJun 2, 1992
- Bond activeJul 29, 2025
- WC coverage startsAug 7, 2025
- License expiresAug 31, 2027
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