Castelli Construction
Castelli Construction operating as a sole owner is licensed in California under CSLB number 428801. The license was first issued in 1982, putting the business at 44 years on the active CSLB roster. 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 Sonoma, in Sonoma County, California.
- License Number
- 428801
- Issued
- Oct 5, 1982
- Status
- CLEAR
- Expires
- Sep 30, 2026
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- SC6024009
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jan 2, 2026
- 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 Castelli Construction licensed in California?
Yes. Castelli Construction holds California Contractors State License Board license number 428801. The license was first issued on October 5, 1982. It is valid through September 30, 2026.
What does Castelli Construction specialize in?
Castelli Construction is licensed for one CSLB classification: B General Building Contractor.
Where is Castelli Construction headquartered?
Castelli Construction is headquartered at 840 Bowen Court, Sonoma, CA 95476, in Sonoma County, California.
Does Castelli Construction have an active surety bond on file with CSLB?
Yes. Castelli Construction has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Castelli Construction carry workers' compensation coverage?
Castelli Construction reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Castelli Construction's contractor license?
You can verify Castelli Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=428801.
- License issuedOct 5, 1982
- Bond activeJan 1, 2023
- WC coverage startsJan 2, 2026
- License expiresSep 30, 2026
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