Williamson Plumbing and Mechanical
Verified against CSLB on · View on CSLB
License details
- License number
- 974182
- Classifications
- License term on file
- June 22, 2012 – June 30, 2028
Business
- (858) 449 1100 (CSLB public record)
- 9885 MESA RIM RD STE 105, San Diego, CA 92121San Diego County
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What to check next
Frequently asked questions
Is Williamson Plumbing and Mechanical licensed in California?
Yes. Williamson Plumbing and Mechanical holds an active California state contractor license (CSLB #974182), verified against the CSLB public record on June 17, 2026.
What is Williamson Plumbing and Mechanical's CSLB license number?
Williamson Plumbing and Mechanical's California contractor license number is 974182. 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 Williamson Plumbing and Mechanical licensed for?
Williamson Plumbing and Mechanical is classified under Plumbing (C-36) by the CSLB.
How do I verify Williamson Plumbing and Mechanical's license myself?
Look up license #974182 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 #974182 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.