Carstens Construction Co
San Mateo · San Mateo County · CA
Verified
Bestopedia verdict
California’s contractor board lists Carstens Construction Co 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
- 27.7 / 30
- License continuity
- 10 / 10
- Workers' comp
- 9 / 12
- Contractor bond
- 8 / 8
The verified record
- CSLB license
- #305427 verify on CSLB ↗
- Classifications
- B
- Years licensed
- 51.1 years since 05/12/1975
- Contractor bond
- $25,000 Nationwide Mutual Insurance Company
- Workers’ comp
- Current
- Business type
- Corporation
- Qualifying principal
- Chris Alf Carstens
- Address of record
- 1206-A West Hillsdale Bl, San Mateo, CA 94403
Frequently Asked Questions
Is Carstens Construction Co a licensed General Contractor contractor in California?
Yes. Carstens Construction Co holds California CSLB contractor license #305427 with a B (General Building) classification. Current CSLB status: CLEAR (as of July 2026).
What work is Carstens Construction Co licensed to perform?
Carstens Construction Co is licensed for B (General Building).
Is Carstens Construction Co bonded?
Yes. Carstens Construction Co carries contractor's bond #7901280658 for $25,000 through Nationwide Mutual Insurance Company.
Does Carstens Construction Co carry workers' compensation insurance?
CSLB records list the workers' compensation status for Carstens Construction Co as Exempt.
How long has Carstens Construction Co held its contractor license?
Carstens Construction Co has held California contractor license #305427 since 05/12/1975, approximately 51 years (as of July 2026).
Where is Carstens Construction Co located?
Carstens Construction Co is based in San Mateo, San Mateo County, CA 94403.