Williams Concrete Construction INC
Williams Concrete Construction INC operating as a corporation is licensed in California under CSLB number 504555. The license was first issued in 1987, putting the business at 39 years on the active CSLB roster. It carries a single CSLB classification: C-8 — Concrete Contractor. Records show an active surety bond on file with Nationwide Mutual Insurance Company and active workers' compensation coverage from Endurance Assurance Corporation. The business is based in Los Osos, in San Luis Obispo County, California.
- License Number
- 504555
- Issued
- Jan 26, 1987
- Status
- CLEAR
- Expires
- Aug 31, 2026
- Entity
- Corporation
- Surety
- Nationwide Mutual Insurance Company
- Bond Number
- 7901245845
- Effective
- Jul 3, 2025
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Endurance Assurance Corporation
- Policy Number
- EAW0000048702
- Effective
- Feb 21, 2026
- Expires
- Feb 21, 2027
This contractor warrants a closer look before contracting:
- License expires in 83 days
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Williams Concrete Construction INC licensed in California?
Yes. Williams Concrete Construction INC holds California Contractors State License Board license number 504555. The license was first issued on January 26, 1987. It is valid through August 31, 2026.
What does Williams Concrete Construction INC specialize in?
Williams Concrete Construction INC is licensed for one CSLB classification: C-8 Concrete Contractor.
Where is Williams Concrete Construction INC headquartered?
Williams Concrete Construction INC is headquartered at P O Box 6563, Los Osos, CA 93412, in San Luis Obispo County, California.
Does Williams Concrete Construction INC have an active surety bond on file with CSLB?
Yes. Williams Concrete Construction INC has an active California contractor surety bond filed with Nationwide Mutual Insurance Company.
Does Williams Concrete Construction INC carry workers' compensation coverage?
Yes. Williams Concrete Construction INC carries active workers' compensation coverage through Endurance Assurance Corporation.
How do I verify Williams Concrete Construction INC's contractor license?
You can verify Williams Concrete Construction INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=504555.
- License issuedJan 26, 1987
- Bond activeJul 3, 2025
- WC coverage startsFeb 21, 2026
- License expiresAug 31, 2026
- WC expiresFeb 21, 2027
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