Williams Excavation Inc

General Contractor in Mariposa, CA. A HAZ

Williams Excavation Inc appears in California license records as a general contractor based in Mariposa, CA. The record lists a A| HAZ license (#435145) with status “Clear”. It was first issued on 1983-02-15, 43 years ago. It is listed as valid through 2028-03-31. A contractor bond of $25,000 is on file. Workers' comp on file: Workers' Compensation Insurance with INSURANCE COMPANY OF THE WEST. It carries 2 classifications on record, including A, HAZ.

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About this contractor

License type
A| HAZ
License #
435145
License status
Clear
Classification
A| HAZ
License issued
1983-02-15
License expires
2028-03-31
Bond
$25,000
Workers' comp
Workers' Compensation Insurance · INSURANCE COMPANY OF THE WEST
Classifications on record
A
HAZ
Record source
California contractor license record
Service area
Mariposa, CA 95338
Phone
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Information sourced from public state license records — not yet verified by the business owner. Always confirm credentials before hiring.

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Check license #435145 on the California CSLB lookup and the BBB the day you hire; status can change after Bidroom's last import (2026-04-09).

Frequently asked about Williams Excavation Inc

What does Williams Excavation Inc do?

Williams Excavation Inc is a general contractor based in Mariposa, California. Their license classification is A| HAZ. Listed specialties: A, HAZ.

Is Williams Excavation Inc licensed?

Yes. Williams Excavation Inc holds California CSLB license #435145 (status: Clear). Verify the current status on California CSLB before hiring.

Where is Williams Excavation Inc located?

Williams Excavation Inc is based in Mariposa, CA 95338.

How do I contact Williams Excavation Inc?

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How do I get a quote from Williams Excavation Inc?

The fastest way is to post your project on Bidroom — Williams Excavation Inc and up to 2 other verified general contractors in Mariposa can bid on it, and every quote includes itemized pricing + a written scope of work.

Is Williams Excavation Inc verified on Bidroom?

Not yet. This listing was created from public California license records but hasn't been claimed by the owner. The license info above is from official records, but the business hasn't confirmed its services, hours, or current availability with us yet.

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