Contractor License Proof

Proficient Plumbing

Licensed

Verified against CSLB on · View on CSLB

License details

License number
490044
Status
Active
Classifications
C-36 · Plumbing
Contractor bond
$25,000
Workers' comp
Exempt
License term on file
April 17, 1986 – February 28, 2027

Business

  • (951) 662 8984 (CSLB public record)
  • 3125 OAKCREEK ROAD, Chino Hills, CA 91709San Bernardino County

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Frequently asked questions

Is Proficient Plumbing licensed in California?

Yes. Proficient Plumbing holds an active California state contractor license (CSLB #490044), verified against the CSLB public record on June 17, 2026.

What is Proficient Plumbing's CSLB license number?

Proficient Plumbing's California contractor license number is 490044. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=490044

What kind of work is Proficient Plumbing licensed for?

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

How do I verify Proficient Plumbing's license myself?

Look up license #490044 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=490044. 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.