Contra Costa Plumbing
Clayton · Contra Costa County · CA
VERIFIED
Bestopedia verdict
California’s contractor board lists Contra Costa Plumbing in CLEAR standing. A contractor bond is on file, and workers’ compensation coverage is current.
- License standing
- 30 / 30
- Years licensed
- 20 / 20
- Contractor bond
- 20 / 20
- Workers' comp
- 16 / 20
- Business structure
- 10 / 10
The verified record
- CSLB license
- #303993 verify on CSLB ↗
- Classifications
- C-10, C-36
- Years licensed
- 51.3 years since 03/27/1975
- Contractor bond
- $25,000 BUSINESS ALLIANCE INSURANCE COMPANY
- Workers’ comp
- Current
- Business type
- Sole Owner
- Qualifying principal
- James David Link
- Address of record
- P O Box 515, Clayton, CA 94517
Frequently Asked Questions
Is Contra Costa Plumbing a licensed Plumbing contractor in California?
Yes. Contra Costa Plumbing holds California CSLB contractor license #303993 with a C-36 (Plumbing) classification. Current CSLB status: CLEAR.
What work is Contra Costa Plumbing licensed to perform?
License #303993 carries C-36 (Plumbing), plus additional classifications: C10.
Is Contra Costa Plumbing bonded?
Yes. Contra Costa Plumbing carries contractor's bond #G101103999710 for $25,000 through BUSINESS ALLIANCE INSURANCE COMPANY.
Does Contra Costa Plumbing carry workers' compensation insurance?
Workers' compensation status on file: Exempt.
How long has Contra Costa Plumbing held its contractor license?
License #303993 was originally issued on 03/27/1975, approximately 51 years ago (as of July 2026).
Where is Contra Costa Plumbing located?
Contra Costa Plumbing is based in Clayton, Contra Costa County, CA 94517.