Contractor License Proof

Masterflow Plumbing

Licensed

Verified against CSLB on · View on CSLB

License details

License number
810730
Status
Active
Classifications
C-36 · Plumbing
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
July 18, 2002 – July 31, 2026

Business

  • (909) 938 1148 (CSLB public record)
  • P O BOX 4542, Rancho Cucamonga, CA 91729San Bernardino County

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What to check next

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Frequently asked questions

Is Masterflow Plumbing licensed in California?

Yes. Masterflow Plumbing holds an active California state contractor license (CSLB #810730), verified against the CSLB public record on June 17, 2026.

What is Masterflow Plumbing's CSLB license number?

Masterflow Plumbing's California contractor license number is 810730. 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 Masterflow Plumbing licensed for?

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

How do I verify Masterflow Plumbing's license myself?

Look up license #810730 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 #810730 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.