Contractor License Proof

Master Plumbing and Sewer Inc

Licensed

Verified against CSLB on · View on CSLB

License details

License number
812321
Status
Active
Classifications
C-36 · Plumbing
Contractor bond
$25,000
Workers' comp
Covered
License term on file
September 9, 2002 – November 30, 2026

Business

  • (877) 691 0400 (CSLB public record)
  • P O BOX 939, Mountain View, CA 94042Santa Clara County

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Frequently asked questions

Is Master Plumbing and Sewer Inc licensed in California?

Yes. Master Plumbing and Sewer Inc holds an active California state contractor license (CSLB #812321), verified against the CSLB public record on June 17, 2026.

What is Master Plumbing and Sewer Inc's CSLB license number?

Master Plumbing and Sewer Inc's California contractor license number is 812321. 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 Master Plumbing and Sewer Inc licensed for?

Master Plumbing and Sewer Inc is classified under Plumbing (C-36) by the CSLB.

How do I verify Master Plumbing and Sewer Inc's license myself?

Look up license #812321 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 #812321 on CSLB

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See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.