Hermansen Plumbing
Verified against CSLB on · View on CSLB
License details
- License number
- 517510
- Classifications
- License term on file
- September 11, 1987 – July 31, 2027
Business
- (650) 787 7778 (CSLB public record)
- 3139 SERENA WY, Hollister, CA 95023San Benito County
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What to check next
Frequently asked questions
Is Hermansen Plumbing licensed in California?
Yes. Hermansen Plumbing holds an active California state contractor license (CSLB #517510), verified against the CSLB public record on June 17, 2026.
What is Hermansen Plumbing's CSLB license number?
Hermansen Plumbing's California contractor license number is 517510. 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 Hermansen Plumbing licensed for?
Hermansen Plumbing is classified under General Building (B) and Plumbing (C-36) by the CSLB.
How do I verify Hermansen Plumbing's license myself?
Look up license #517510 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 #517510 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.