Guaranteed Plumbing
Lafayette · Contra Costa County · CA
VERIFIED
Bestopedia verdict
California’s contractor board lists Guaranteed 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
- 20 / 20
- Business structure
- 10 / 10
The verified record
- CSLB license
- #875614 verify on CSLB ↗
- Classifications
- C-36
- Years licensed
- 20.2 years since 04/05/2006
- Contractor bond
- $25,000 AMERICAN CONTRACTORS INDEMNITY COMPANY
- Workers’ comp
- Current INDEMNITY INSURANCE COMPANY OF NORTH AMERICA
- Business type
- Corporation
- Qualifying principal
- Marcus John Madrid
- Address of record
- 1031 Blackwood Lane, Lafayette, CA 94549
Frequently Asked Questions
Is Guaranteed Plumbing a licensed Plumbing contractor in California?
Yes. Guaranteed Plumbing holds California CSLB contractor license #875614 with a C-36 (Plumbing) classification. Current CSLB status: CLEAR.
What work is Guaranteed Plumbing licensed to perform?
License #875614 carries C-36 (Plumbing).
Is Guaranteed Plumbing bonded?
Yes. Guaranteed Plumbing carries contractor's bond #10131538 for $25,000 through AMERICAN CONTRACTORS INDEMNITY COMPANY.
Does Guaranteed Plumbing carry workers' compensation insurance?
Yes. Workers' compensation insurance is on file with INDEMNITY INSURANCE COMPANY OF NORTH AMERICA, with a policy expiration of 10/01/2026.
How long has Guaranteed Plumbing held its contractor license?
License #875614 was originally issued on 04/05/2006, approximately 20 years ago (as of July 2026).
Where is Guaranteed Plumbing located?
Guaranteed Plumbing is based in Lafayette, Contra Costa County, CA 94549.