Williams Excavation INC, A General Engineering Contractor in Mariposa, CA
Williams Excavation INC operating as a corporation holds an active California contractor license (CSLB #435145), valid through Mar 31, 2028. First issued in 1983, the license has been on the CSLB roster for 43 years. It carries a single CSLB classification: A — General Engineering Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and a previously-filed workers' compensation policy with Insurance Company of the West that is no longer active. The business is based in Mariposa, in Mariposa County, California.
- License Number
- 435145
- Issued
- Feb 15, 1983
- Status
- CLEAR
- Expires
- Mar 31, 2028
- Entity
- Corporation
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100636188
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Insurance Company of the West
- Policy Number
- WSA506102604
- Effective
- Jun 11, 2025
- Expires
- Jun 11, 2026
This contractor has a compliance issue in its public CSLB record:
- No active workers' comp on file
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Williams Excavation INC licensed in California?
Yes. Williams Excavation INC holds California Contractors State License Board license number 435145, which is active and in good standing. The license was first issued on February 15, 1983. It is valid through March 31, 2028.
What does Williams Excavation INC specialize in?
Williams Excavation INC is licensed for one CSLB classification: A General Engineering Contractor.
Where is Williams Excavation INC headquartered?
Williams Excavation INC is headquartered at 5177 Goins Way, Mariposa, CA 95338, in Mariposa County, California.
Does Williams Excavation INC have an active surety bond on file with CSLB?
Yes. Williams Excavation INC has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Williams Excavation INC carry workers' compensation coverage?
Williams Excavation INC has a previously-filed workers' compensation policy with Insurance Company of the West that is no longer active.
How do I verify Williams Excavation INC's contractor license?
You can verify Williams Excavation INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=435145.
- License issuedFeb 15, 1983
- Bond activeJan 1, 2023
- WC coverage startsJun 11, 2025
- WC expiredJun 11, 2026
- License expiresMar 31, 2028
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