Contractor License Proof

Williams Sanitary Service Inc

Licensed

Verified against CSLB on · View on CSLB

License details

License number
907482
Status
Active
Classifications
C-36 · Plumbing
Contractor bond
$25,000
Workers' comp
Covered
License term on file
December 5, 2007 – December 31, 2027

Business

  • (925) 634 4855 (CSLB public record)
  • P O BOX 20, Brentwood, CA 94513Contra Costa County

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Frequently asked questions

Is Williams Sanitary Service Inc licensed in California?

Yes. Williams Sanitary Service Inc holds an active California state contractor license (CSLB #907482), verified against the CSLB public record on June 17, 2026.

What is Williams Sanitary Service Inc's CSLB license number?

Williams Sanitary Service Inc's California contractor license number is 907482. 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 Williams Sanitary Service Inc licensed for?

Williams Sanitary Service Inc is classified under Plumbing (C-36) by the CSLB.

How do I verify Williams Sanitary Service Inc's license myself?

Look up license #907482 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 #907482 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.