Public CSLB records

Williams Lon B

License #437820·Sole Owner·Walnut Creek, Contra Costa County
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Summary

Williams Lon B operating as a sole owner is licensed in California under CSLB number 437820. The license was first issued in 1983, putting the business at 43 years on the active CSLB roster. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with American Contractors Indemnity 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
1547 Palos Verdes Mall #263
Walnut Creek, CA 94597
License Details & Classifications
License Number
437820
Issued
Apr 1, 1983
Status
CLEAR
Expires
Apr 30, 2027
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
American Contractors Indemnity Company
Bond Number
SC584183
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
Policy Number
Effective
Mar 17, 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 Lon B licensed in California?

Yes. Williams Lon B holds California Contractors State License Board license number 437820. The license was first issued on April 1, 1983. It is valid through April 30, 2027.

What does Williams Lon B specialize in?

Williams Lon B is licensed for one CSLB classification: B General Building Contractor.

Where is Williams Lon B headquartered?

Williams Lon B is headquartered at 1547 Palos Verdes Mall #263, Walnut Creek, CA 94597, in Contra Costa County, California.

Does Williams Lon B have an active surety bond on file with CSLB?

Yes. Williams Lon B has an active California contractor surety bond filed with American Contractors Indemnity Company.

Does Williams Lon B carry workers' compensation coverage?

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

How do I verify Williams Lon B's contractor license?

You can verify Williams Lon B's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=437820.

Activity Timeline
  1. License issuedApr 1, 1983
  2. Bond activeJan 1, 2023
  3. WC coverage startsMar 17, 2025
  4. License expiresApr 30, 2027
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