Public CSLB records

Williamson Pools, C-61/D-35 Pool and Spa Maintenance Contractor in Concord, CA

License #935773·Sole Owner·Concord, Contra Costa County
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Summary

Williamson Pools operating as a sole owner holds an active California contractor license (CSLB #935773), valid through Jul 31, 2027. First issued in 2009, the license has been on the CSLB roster for 17 years. It carries a single CSLB classification: C-61/D-35 — Pool and Spa Maintenance 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 Concord, in Contra Costa County, California.

Business Information
Address
P O Box 21347
Concord, CA 94521
License Details & Classifications
License Number
935773
Issued
Jul 22, 2009
Status
CLEAR
Expires
Jul 31, 2027
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
Western Surety Company
Bond Number
67411982
Effective
Jul 7, 2025
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
Policy Number
Effective
Jul 12, 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 Williamson Pools licensed in California?

Yes. Williamson Pools holds California Contractors State License Board license number 935773, which is active and in good standing. The license was first issued on July 22, 2009. It is valid through July 31, 2027.

What does Williamson Pools specialize in?

Williamson Pools is licensed for one CSLB classification: C-61/D-35 Pool and Spa Maintenance Contractor.

Where is Williamson Pools headquartered?

Williamson Pools is headquartered at P O Box 21347, Concord, CA 94521, in Contra Costa County, California.

Does Williamson Pools have an active surety bond on file with CSLB?

Yes. Williamson Pools has an active California contractor surety bond filed with Western Surety Company.

Does Williamson Pools carry workers' compensation coverage?

Williamson Pools reports an exempt workers' compensation status, meaning the business has no employees on payroll.

How do I verify Williamson Pools's contractor license?

You can verify Williamson Pools's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=935773.

Activity Timeline
  1. License issuedJul 22, 2009
  2. Bond activeJul 7, 2025
  3. WC coverage startsJul 12, 2025
  4. License expiresJul 31, 2027
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