JB Plumbing
Verified against CSLB on · View on CSLB
License details
- License number
- 550584
- Classifications
- License term on file
- December 8, 1988 – September 30, 2026
Business
- (909) 592 8487 (CSLB public record)
- 300 E BONITA 4855, San Dimas, CA 91773Los Angeles County
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What to check next
Frequently asked questions
Is JB Plumbing licensed in California?
Yes. JB Plumbing holds an active California state contractor license (CSLB #550584), verified against the CSLB public record on June 17, 2026.
What is JB Plumbing's CSLB license number?
JB Plumbing's California contractor license number is 550584. 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 JB Plumbing licensed for?
JB Plumbing is classified under General Building (B) and Plumbing (C-36) by the CSLB.
How do I verify JB Plumbing's license myself?
Look up license #550584 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 #550584 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.