Dias R H and Son, B General Building Contractor in Petaluma, CA
Dias R H and Son operating as a sole owner holds California contractor license #428222, which is currently expired (lapsed Sep 30, 2026) and not valid to contract until it is renewed. First issued in 1982, the license has been on the CSLB roster for 44 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Atlantic Specialty Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Petaluma, in Sonoma County, California.
- License Number
- 428222
- Issued
- Sep 21, 1982
- Status
- CLEAR
- Expires
- Sep 30, 2026
- Entity
- Sole Owner
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 800211884
- Effective
- Oct 14, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Sep 16, 2024
- Expires
- —
This contractor has a compliance issue in its public CSLB record:
- License expired
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Dias R H and Son licensed in California?
Dias R H and Son previously held California Contractors State License Board license number 428222, but the license expired on September 30, 2026 and is not currently valid. It was first issued on September 21, 1982.
What does Dias R H and Son specialize in?
Dias R H and Son is licensed for one CSLB classification: B General Building Contractor.
Where is Dias R H and Son headquartered?
Dias R H and Son is headquartered at 1296 San Jose Way, Petaluma, CA 94952, in Sonoma County, California.
Does Dias R H and Son have an active surety bond on file with CSLB?
Yes. Dias R H and Son has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does Dias R H and Son carry workers' compensation coverage?
Dias R H and Son reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Dias R H and Son's contractor license?
You can verify Dias R H and Son's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=428222.
- License issuedSep 21, 1982
- WC coverage startsSep 16, 2024
- Bond activeOct 14, 2025
- License expiredSep 30, 2026
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