Contractor License Proof

Williams Mike Plumbing

Licensed

Verified against CSLB on · View on CSLB

License details

License number
311842
Status
Active
Classifications
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
November 6, 1975April 30, 2027

Business

  • (925) 383 8089 (CSLB public record)
  • 930 NATOMA CT, Walnut Creek, CA 94596Contra Costa County

Are you Williams Mike Plumbing? Claim this listing to manage it.

Claim this listing

Request a free quote

Tell us about your project and we'll connect you with licensed, verified California contractors.

By submitting, you agree we may share your request with relevant licensed contractors to help with your project. See our Privacy Policy.

Frequently asked questions

Is Williams Mike Plumbing licensed in California?

Yes. Williams Mike Plumbing holds an active California state contractor license (CSLB #311842), verified against the CSLB public record on June 17, 2026.

What is Williams Mike Plumbing's CSLB license number?

Williams Mike Plumbing's California contractor license number is 311842. 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 Mike Plumbing licensed for?

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

How do I verify Williams Mike Plumbing's license myself?

Look up license #311842 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 #311842 on CSLB

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