Costaglio Frank Painting, B General Building Contractor in Hillsborough, CA
Costaglio Frank Painting operating as a sole owner holds an active California contractor license (CSLB #523126), valid through Jan 31, 2028. First issued in 1988, the license has been on the CSLB roster for 38 years. It carries 2 CSLB classifications: B General Building Contractor and C-33 Painting and Decorating 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 Hillsborough, in San Mateo County, California.
- License Number
- 523126
- Issued
- Jan 23, 1988
- Status
- CLEAR
- Expires
- Jan 31, 2028
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- SC6315865
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Dec 10, 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 Costaglio Frank Painting licensed in California?
Yes. Costaglio Frank Painting holds California Contractors State License Board license number 523126, which is active and in good standing. The license was first issued on January 23, 1988. It is valid through January 31, 2028.
What does Costaglio Frank Painting specialize in?
Costaglio Frank Painting is licensed for 2 CSLB classifications: B General Building Contractor and C-33 Painting and Decorating Contractor.
Where is Costaglio Frank Painting headquartered?
Costaglio Frank Painting is headquartered at 50 Kammerer Ct, Hillsborough, CA 94010, in San Mateo County, California.
Does Costaglio Frank Painting have an active surety bond on file with CSLB?
Yes. Costaglio Frank Painting has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Costaglio Frank Painting carry workers' compensation coverage?
Costaglio Frank Painting reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Costaglio Frank Painting's contractor license?
You can verify Costaglio Frank Painting's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=523126.
- License issuedJan 23, 1988
- Bond activeJan 1, 2023
- WC coverage startsDec 10, 2025
- License expiresJan 31, 2028
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