Horizon Plumbing
Verified against CSLB on · View on CSLB
License details
- License number
- 623019
- Classifications
- License term on file
- July 15, 1991 – July 31, 2026
Business
- (925) 200 3760 (CSLB public record)
- P O BOX 5867, Concord, CA 94524Contra Costa County
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What to check next
Frequently asked questions
Is Horizon Plumbing licensed in California?
Yes. Horizon Plumbing holds an active California state contractor license (CSLB #623019), verified against the CSLB public record on June 17, 2026.
What is Horizon Plumbing's CSLB license number?
Horizon Plumbing's California contractor license number is 623019. 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 Horizon Plumbing licensed for?
Horizon Plumbing is classified under Plumbing (C-36) by the CSLB.
How do I verify Horizon Plumbing's license myself?
Look up license #623019 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 #623019 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.