Public CSLB records

Williams Mike Plumbing

License #311842·Sole Owner·Walnut Creek, Contra Costa County
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Summary

Williams Mike Plumbing operating as a sole owner is licensed in California under CSLB number 311842. The license was first issued in 1975, putting the business at 51 years on the active CSLB roster. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with Western Surety Company and an exempt workers' compensation status (no employees on payroll). The business is based in Walnut Creek, in Contra Costa County, California.

Business Information
Address
930 Natoma Ct
Walnut Creek, CA 94596
License Details & Classifications
License Number
311842
Issued
Nov 6, 1975
Status
CLEAR
Expires
Apr 30, 2027
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
Western Surety Company
Bond Number
67296417
Effective
Apr 20, 2025
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
Policy Number
Effective
Apr 30, 2025
Expires
Review

This contractor warrants a closer look before contracting:

  • Workers' comp listed as exempt
License StatusActive
Contractor BondOn file
Workers' CompensationActive

An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this

Frequently asked questions
Is Williams Mike Plumbing licensed in California?

Yes. Williams Mike Plumbing holds California Contractors State License Board license number 311842. The license was first issued on November 6, 1975. It is valid through April 30, 2027.

What does Williams Mike Plumbing specialize in?

Williams Mike Plumbing is licensed for one CSLB classification: C-36 Plumbing Contractor.

Where is Williams Mike Plumbing headquartered?

Williams Mike Plumbing is headquartered at 930 Natoma Ct, Walnut Creek, CA 94596, in Contra Costa County, California.

Does Williams Mike Plumbing have an active surety bond on file with CSLB?

Yes. Williams Mike Plumbing has an active California contractor surety bond filed with Western Surety Company.

Does Williams Mike Plumbing carry workers' compensation coverage?

Williams Mike Plumbing reports an exempt workers' compensation status, meaning the business has no employees on payroll.

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

You can verify Williams Mike Plumbing's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=311842.

Activity Timeline
  1. License issuedNov 6, 1975
  2. Bond activeApr 20, 2025
  3. WC coverage startsApr 30, 2025
  4. License expiresApr 30, 2027
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