Guaranteed Plumbing
Verified against CSLB on · View on CSLB
License details
- License number
- 875614
- Classifications
- License term on file
- April 5, 2006 – April 30, 2028
Business
- (925) 820 2090 (CSLB public record)
- 1031 BLACKWOOD LANE, Lafayette, CA 94549Contra Costa County
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What to check next
Frequently asked questions
Is Guaranteed Plumbing licensed in California?
Yes. Guaranteed Plumbing holds an active California state contractor license (CSLB #875614), verified against the CSLB public record on June 17, 2026.
What is Guaranteed Plumbing's CSLB license number?
Guaranteed Plumbing's California contractor license number is 875614. Look that number up with the CSLB "Check a License" tool to confirm its current status against the public record yourself.
What kind of work is Guaranteed Plumbing licensed for?
Guaranteed Plumbing is classified under Plumbing (C-36) by the CSLB.
How do I verify Guaranteed Plumbing's license myself?
Look up license #875614 with the CSLB "Check a License" tool and compare the status, bond, and workers' compensation details against what's shown on this page. This page reflects the CSLB public record as of June 17, 2026.
Verify it yourself: How to verify a California contractor license · Look up #875614 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.