Contractor License Proof

Mattson Plumbing Company

Licensed

Verified against CSLB on · View on CSLB

License details

License number
1048374
Status
Active
Classifications
C-36 · Plumbing
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
December 28, 2018 – December 31, 2026

Business

  • (925) 247 4902 (CSLB public record)
  • 2150 BREAKER COURT, Discovery Bay, CA 94505Contra Costa County

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What to check next

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Frequently asked questions

Is Mattson Plumbing Company licensed in California?

Yes. Mattson Plumbing Company holds an active California state contractor license (CSLB #1048374), verified against the CSLB public record on June 17, 2026.

What is Mattson Plumbing Company's CSLB license number?

Mattson Plumbing Company's California contractor license number is 1048374. 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 Mattson Plumbing Company licensed for?

Mattson Plumbing Company is classified under Plumbing (C-36) by the CSLB.

How do I verify Mattson Plumbing Company's license myself?

Look up license #1048374 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 #1048374 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.