Williams John C, B General Building Contractor in Modesto, CA
Williams John C operating as a sole owner holds an active California contractor license (CSLB #544378), valid through Oct 31, 2026. First issued in 1988, the license has been on the CSLB roster for 38 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Atlantic Specialty Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Modesto, in Stanislaus County, California.
- License Number
- 544378
- Issued
- Oct 15, 1988
- Status
- CLEAR
- Expires
- Oct 31, 2026
- Entity
- Sole Owner
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 810025199
- Effective
- Apr 29, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Apr 28, 2025
- Expires
- —
This contractor warrants a closer look before contracting:
- License expires in 57 days
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Williams John C licensed in California?
Yes. Williams John C holds California Contractors State License Board license number 544378, which is active and in good standing. The license was first issued on October 15, 1988. It is valid through October 31, 2026.
What does Williams John C specialize in?
Williams John C is licensed for one CSLB classification: B General Building Contractor.
Where is Williams John C headquartered?
Williams John C is headquartered at P O Box 4878, Modesto, CA 95352, in Stanislaus County, California.
Does Williams John C have an active surety bond on file with CSLB?
Yes. Williams John C has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does Williams John C carry workers' compensation coverage?
Williams John C reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Williams John C's contractor license?
You can verify Williams John C's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=544378.
- License issuedOct 15, 1988
- WC coverage startsApr 28, 2025
- Bond activeApr 29, 2025
- License expiresOct 31, 2026
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