GroundRosterLicensed Septic Contractors: Dakota County, MN
18 licensed septic contractors based in Dakota 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 Minnesota Pollution Control Agency (MPCA) - SSTS licensed business list. Roster copy last refreshed 2026-10-03.
Towns in Dakota County
All 10 towns named on the license records based here, with the number of listings in each, most first.
License classes on the Dakota 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 18.
| License class | Trade | Listings |
|---|---|---|
| Pipelayer | Septic | 11 |
| SSTS Installer | Septic | 11 |
| Designer | Septic | 7 |
| Inspector | Septic | 6 |
| SSTS Maintainer (Pumper) | Septic | 4 |
| Maintainer (Pumper) | Septic | 3 |
| Service Provider | Septic | 3 |
| SSTS Inspector | Septic | 2 |
| SSTS Designer | Septic | 1 |
Septic Contractors based in Dakota County (18)
Schlomka Services LLCLicensed
ESI Septic Services, Inc.Licensed
Miller Excavating of Hastings LLCLicensed
Zellmer Excavating Services, LLCLicensed
Otte Excavating IncLicensed
B's Pumping ServiceLicensed
Onsite Solutions Inc.Licensed
Benson Septic ServiceLicensed
Weiland Sewer & Water IncLicensed
Schlomka's Portable Restrooms & Pressure Washing, LLCLicensed
ATB Professional Services, LLCLicensed
Minnesota Septic InspectionLicensed
Sauber Plumbing & Heating CoLicensed
Alto Sewer Service Inc.Licensed
Bakken Excavating LLCLicensed
Kleist Construction Management LLCLicensed
Klamm Mechanical Contractors IncLicensed
Mulvihill Excavating IncLicensed
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 Dakota County, with national cost ranges
Listings based in Dakota County whose license class covers each service. Cost ranges are national; each links its cost guide.
| Service | Based in Dakota County | National cost |
|---|---|---|
| Septic Tank Pumping | 7 | $250 to $600 |
| Septic System Installation | 11 | $3,600 to $12,500 |
| Septic Inspection | 8 | $150 to $900 |
| Septic System Design | 8 | Varies by site |
| Perc Test and Soil Evaluation | 0 | $250 to $1,000 |
None of the listings based in Dakota County hold a license class we can match to perc test and soil evaluation. Ask any contractor whether they do this work, or try a nearby city.
Hiring a septic contractor in Dakota County
Septic (onsite wastewater) contractors handle everything from routine septic tank pumping and cleaning to repairs, inspections, and new system installation. States license each role separately (a pumper is not necessarily licensed to install, and vice versa), so match the license class to the job.
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 Minnesota?