Costaglio Frank Painting
Hillsborough · San Mateo County · CA
Verified
Bestopedia verdict
California’s contractor board lists Costaglio Frank Painting with a license standing of CLEAR. A contractor bond is on file, and workers’ compensation coverage is current.
- License standing
- 25 / 25
- Clean record
- 15 / 15
- Track record
- 24 / 30
- License continuity
- 10 / 10
- Workers' comp
- 9 / 12
- Contractor bond
- 8 / 8
The verified record
- CSLB license
- #523126 verify on CSLB ↗
- Classifications
- B, C-33
- Years licensed
- 38.4 years since 01/23/1988
- Contractor bond
- $25,000 American Contractors Indemnity Company
- Workers’ comp
- Current
- Business type
- Sole Owner
- Qualifying principal
- Frank Ralph Costaglio
- Address of record
- 50 Kammerer Ct, Hillsborough, CA 94010
Frequently Asked Questions
Is Costaglio Frank Painting a licensed General Contractor contractor in California?
Yes. Costaglio Frank Painting holds California CSLB contractor license #523126 with a B (General Building) classification. Current CSLB status: CLEAR (as of July 2026).
What work is Costaglio Frank Painting licensed to perform?
Costaglio Frank Painting is licensed for B (General Building), plus additional classifications: C-33.
Is Costaglio Frank Painting bonded?
Yes. Costaglio Frank Painting carries contractor's bond #SC6315865 for $25,000 through American Contractors Indemnity Company.
Does Costaglio Frank Painting carry workers' compensation insurance?
CSLB records list the workers' compensation status for Costaglio Frank Painting as Exempt.
How long has Costaglio Frank Painting held its contractor license?
Costaglio Frank Painting has held California contractor license #523126 since 01/23/1988, approximately 38 years (as of July 2026).
Where is Costaglio Frank Painting located?
Costaglio Frank Painting is based in Hillsborough, San Mateo County, CA 94010.