Guardian Plumbing
Verified against CSLB on · View on CSLB
License details
- License number
- 972605
- Classifications
- License term on file
- May 3, 2012 – May 31, 2028
Business
- (951) 216 3280 (CSLB public record)
- 25779 JEFFERSON AVE, Alta Loma, CA 91701San Bernardino County
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What to check next
Frequently asked questions
Is Guardian Plumbing licensed in California?
Yes. Guardian Plumbing holds an active California state contractor license (CSLB #972605), verified against the CSLB public record on June 17, 2026.
What is Guardian Plumbing's CSLB license number?
Guardian Plumbing's California contractor license number is 972605. 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 Guardian Plumbing licensed for?
Guardian Plumbing is classified under General Engineering (A), Electrical (C-10), Warm-Air Heating, Ventilating and Air-Conditioning (C-20), and Plumbing (C-36) by the CSLB.
How do I verify Guardian Plumbing's license myself?
Look up license #972605 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 #972605 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.