GroundRosterLicensed Well and Septic Contractors in Washington, IL
4 licensed well and septic pros listed in Washington. Every license number below is sourced from official Illinois records, with a link to verify it yourself.
Need well or septic work quotes in Washington? Request free quotes and we'll route your request to local well and septic pros.
Hiring a well and septic professional in Washington
GroundRoster aggregates official state licensing rosters for water-well and septic (onsite wastewater) professionals into one searchable directory, refreshed regularly.
Before you sign anything: confirm the license number on this page is still active with Illinois, ask for proof of insurance, and get at least three written quotes; pricing on this work varies widely by site conditions.