How do I verify a well driller's license in Washington?

Enter the driller or company name above. We search verified Washington well-driller license records and show the license status, type, and when we last verified it, with a link to WA Dept. of Ecology - plus that driller's profile in our directory.

Does "no record found" mean a driller isn't licensed in Washington?

No. Our index does not cover every driller in Washington, so a missing record is never proof that someone is unlicensed. Check WA Dept. of Ecology directly, and consider the verified drillers we do track nearby.

Where does the Washington license data come from?

From public license records published by WA Dept. of Ecology, verified per row on the dates shown. DrillerDB is an index; the issuing state board is the authoritative source of record.

Verify a Well Driller's License in Washington

Search verified Washington well-driller license records by name. See the license status and source, then find verified drillers near you. Free, no signup.

This is an index of public well-driller license records, verified per row on the dates shown. It is not a complete list of every licensed driller, and the WA Dept. of Ecology is the authoritative source of record. A missing record never means a driller is unlicensed.

DrillerDB tracks 2,961 active well-driller license records from 2,164 companies in Washington. These are the verified licenses we track, not a complete roster of every licensed driller in the state.

What Washington requires of well drillers

Washington regulates well construction and driller licensing under WAC 173-160. Before you hire, confirm a driller's current license and standing with the state directly - a license can lapse or change status between our checks.

Verified well drillers we track in Washington

A sample of drillers with active license records in Washington. Open a profile to see contact details and service area.

See all Washington drillers in the directory

More Washington well resources

Washington well driller license lookup: FAQ

How do I verify a well driller's license in Washington?: Enter the driller or company name above. We search verified Washington well-driller license records and show the license status, type, and when we last verified it, with a link to WA Dept. of Ecology - plus that driller's profile in our directory.
Does "no record found" mean a driller isn't licensed in Washington?: No. Our index does not cover every driller in Washington, so a missing record is never proof that someone is unlicensed. Check WA Dept. of Ecology directly, and consider the verified drillers we do track nearby.
Where does the Washington license data come from?: From public license records published by WA Dept. of Ecology, verified per row on the dates shown. DrillerDB is an index; the issuing state board is the authoritative source of record.