Contractor License Proof

Copperstate Plumbing

Licensed

Verified against CSLB on · View on CSLB

License details

License number
1100284
Status
Active
Classifications
C-36 · Plumbing
Contractor bond
$25,000
Workers' comp
Covered
License term on file
January 5, 2023 – January 31, 2027

Business

  • (562) 556 5353 (CSLB public record)
  • 8040 PURITAN ST, Downey, CA 90242Los Angeles County

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Frequently asked questions

Is Copperstate Plumbing licensed in California?

Yes. Copperstate Plumbing holds an active California state contractor license (CSLB #1100284), verified against the CSLB public record on June 17, 2026.

What is Copperstate Plumbing's CSLB license number?

Copperstate Plumbing's California contractor license number is 1100284. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1100284

What kind of work is Copperstate Plumbing licensed for?

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

How do I verify Copperstate Plumbing's license myself?

Look up license #1100284 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1100284. This page reflects the CSLB public record as of June 17, 2026.

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