GroundRosterLicensed Well and Septic Contractors: Washington County, OH
23 licensed well and septic pros based in Washington County. Every license number below is sourced from public licensing records, with a link to look it up yourself.
Grouped by the county of the address on each license record, which can be a mailing address, so it doesn't tell you where the business works. When the record names no county, we place it by ZIP code, then town.
Checked against Ohio Department of Health - Sewage Treatment System Bond Lists and NJDEP DataMiner - Well Drilling Companies. Roster copy last refreshed 2026-08-17.
Towns in Washington County
All 10 towns named on the license records based here, with the number of listings in each, most first.
License classes on the Washington County records
Each class as the issuing agency prints it on the license record. A record that names more than one class counts once under each, so the rows can add up to more than 23.
| License class | Trade | Listings |
|---|---|---|
| Sewage Treatment System Installer | Septic | 20 |
| Septage Hauler | Septic | 5 |
| Sewage Treatment System Service Provider | Septic | 3 |
| Well Drilling Company | Well | 1 |
Septic Contractors based in Washington County (22)
HLK Land Management
David K Brooks DBA Qualey Excavating
Virgil Huck Builder LLC
Riggs Septic Services LLC
Triple 7 Septic & Land Management LLC
WashingtonAC Excavation LLC
Carl Property Solutions LLC
Mr. Rooter of Washington & Wood Co
Westfall Construction, LTD
MonroeD & L Drilling, LLC
Johns Excavating LLC
Ron's Porta Johns Inc
WS Construction
Tri 5 Excavating
Myers Septic Service, LLC
Larry Fouss Construction Co. Inc.
NobleEagleview Earthworks LLC
True Grit Excavation LLC
Seese Electrical Instrumentation LLC
Doug Lowe Construction & Excavating LLC
Shriver Septic & Excavation LLC
Water Well Contractors based in Washington County (1)
Cascade DrillingLicensed
Own one of these businesses? Find your listing and claim it.
Looking for a specific contractor? Search by name, business name, or license number.
Services in Washington County, with national cost ranges
Listings based in Washington County whose license class covers each service. Cost ranges are national; each links its cost guide.
| Service | Based in Washington County | National cost |
|---|---|---|
| Septic Tank Pumping | 0 | $250 to $600 |
| Septic System Installation | 20 | $3,600 to $12,500 |
| Septic Inspection | 0 | $150 to $900 |
| Septic System Design | 0 | Varies by site |
| Perc Test and Soil Evaluation | 0 | $250 to $1,000 |
| Well Drilling | 1 | $5,500 to $35,000 |
| Well Pump Repair | 0 | $1,000 to $2,500 |
None of the listings based in Washington County hold a license class we can match to septic tank pumping, septic inspection, septic system design, perc test and soil evaluation or well pump repair. Ask any contractor whether they do this work, or try a nearby city.
Hiring a well and septic professional in Washington County
Before you sign anything: confirm the license on this page is still active with the agency that issued it, ask for proof of insurance, and get at least three written quotes; pricing on this work varies widely by site conditions.
Do I need a permit for well or septic work in Ohio?