Contractor License Proof

Tier One Plumbing

Licensed

Verified against CSLB on · View on CSLB

License details

License number
972037
Status
Active
Classifications
B · General BuildingC-16 · Fire ProtectionC-36 · Plumbing
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
April 12, 2012 – March 31, 2028

Business

  • (310) 391 7744 (CSLB public record)
  • 3517 INGLEWOOD BLVD, Los Angeles, CA 90066Los Angeles County

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Frequently asked questions

Is Tier One Plumbing licensed in California?

Yes. Tier One Plumbing holds an active California state contractor license (CSLB #972037), verified against the CSLB public record on June 17, 2026.

What is Tier One Plumbing's CSLB license number?

Tier One Plumbing's California contractor license number is 972037. 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 Tier One Plumbing licensed for?

Tier One Plumbing is classified under General Building (B), Fire Protection (C-16), and Plumbing (C-36) by the CSLB.

How do I verify Tier One Plumbing's license myself?

Look up license #972037 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 #972037 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.