Contractor License Proof

Cornerstone Plumbing

Licensed

Verified against CSLB on · View on CSLB

License details

License number
878380
Status
Active
Classifications
C-36 · Plumbing
Contractor bond
$25,000
Workers' comp
Exempt
License term on file
May 25, 2006 – May 31, 2028

Business

  • (760) 802 6764 (CSLB public record)
  • 2964 HILL VALLEY DR, Escondido, CA 92029San Diego County

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Frequently asked questions

Is Cornerstone Plumbing licensed in California?

Yes. Cornerstone Plumbing holds an active California state contractor license (CSLB #878380), verified against the CSLB public record on June 17, 2026.

What is Cornerstone Plumbing's CSLB license number?

Cornerstone Plumbing's California contractor license number is 878380. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=878380

What kind of work is Cornerstone Plumbing licensed for?

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

How do I verify Cornerstone Plumbing's license myself?

Look up license #878380 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=878380. 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.