California contractor license
WILLIAMS EXCAVATION INC
- A General Engineering
- HAZ Hazardous Substances Removal
WILLIAMS EXCAVATION INC is an A General Engineering and HAZ Hazardous Substances Removal contractor in Mariposa, Mariposa County, licensed in California for 43 years (since 1983). As of Jun 16, 2026, the license is active with an expiration date of Mar 31, 2028 on record and a license bond is on file.
WILLIAMS EXCAVATION INCA General Engineering · HAZ Hazardous Substances Removal · checked Jun 16, 2026
ActiveLicense number#435145
Licensed sinceFeb 15, 1983
Years licensed43 years
Expiration on recordMar 31, 2028
City and countyMariposa, Mariposa County
License bondOn file
ProjectsNone on file
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Source: California Contractors State License Board (CSLB) and City of Los Angeles permit records. Last updated Jun 16, 2026.