Wallace Mark Plumbing
Verified against CSLB on · View on CSLB
License details
- License number
- 661873
- Classifications
- License term on file
- December 28, 1992 – December 31, 2026
Business
- (559) 359 7348 (CSLB public record)
- 650 LILAC DRIVE, Los Osos, CA 93402San Luis Obispo County
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What to check next
Frequently asked questions
Is Wallace Mark Plumbing licensed in California?
Yes. Wallace Mark Plumbing holds an active California state contractor license (CSLB #661873), verified against the CSLB public record on June 17, 2026.
What is Wallace Mark Plumbing's CSLB license number?
Wallace Mark Plumbing's California contractor license number is 661873. 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 Wallace Mark Plumbing licensed for?
Wallace Mark Plumbing is classified under Plumbing (C-36) by the CSLB.
How do I verify Wallace Mark Plumbing's license myself?
Look up license #661873 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 #661873 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.