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Licensed Well and Septic Contractors: Brown County, WI

16 licensed well and septic pros based in Brown 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 Oconto County Land & Water Resource Department and Wisconsin DNR - Licensed Water Well Drillers / Registered Well Driller Businesses. Roster copy last refreshed 2026-08-19.

Need well or septic work quotes in Brown County? Request free quotes and we'll pass it to licensed well and septic pros who serve the area.

Towns in Brown County

All 5 towns named on the license records based here, with the number of listings in each, most first.

License classes on the Brown 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 16.

License classTradeListings
Registered Well Driller BusinessWell8
Plumber, Soil TesterSeptic5
Septic PumperSeptic3

Septic Contractors based in Brown County (8)

Krahn Plumbing & Septic

Septic
Based in Suamico, WI · License #685866

Vandeyacht Septic Systems

Septic
Based in Suamico, WI · License #1050437

Bartz Septic Service

Septic Tank Pumping
Based in Green Bay, WI · License #726

Competitive Sewer & Water Inc

Septic
Based in Pulaski, WI · License #892962

Schroeder's Septic Systems

Septic
Based in De Pere, WI · License #668796

AAA Sanitation Inc

Septic Tank Pumping
Based in De Pere, WI · License #2177

Chambers Enterprises

Septic
Based in Green Bay, WI · License #220936

Stordeur Sanitation

Septic Tank Pumping
Based in Green Bay, WI · License #704

Water Well Contractors based in Brown County (8)

Retzlaff & Gregorich Well Drilling LLCLicensed

Well Drilling
Based in New Franken, WI · License #7267

Ground Source LLCLicensed

Well Drilling
Based in De Pere, WI · License #9443

Ground Source LLCLicensed

Well Drilling
Based in De Pere, WI · License #6667, 0037

Ground Source LLCLicensed

Well Drilling
Based in Pulaski, WI · License #7301

Leo Van De Yacht Well DrillingLicensed

Well Drilling
Based in Green Bay, WI · License #8900

Weslow Water SystemsLicensed

Well Drilling
Based in Green Bay, WI · License #6172

Leo Van De Yacht Well Drilling INCLicensed

Well Drilling
Based in Green Bay, WI · License #6097, 6378

Weslow Water Systems INCLicensed

Well Drilling
Based in Suamico, WI · License #6400

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Looking for a specific contractor? Search by name, business name, or license number.

Services in Brown County, with national cost ranges

Listings based in Brown County whose license class covers each service. Cost ranges are national; each links its cost guide.

ServiceBased in Brown CountyNational cost
Septic Tank Pumping3$250 to $600
Septic System Installation0$3,600 to $12,500
Septic Inspection0$150 to $900
Septic System Design0Varies by site
Perc Test and Soil Evaluation0$250 to $1,000
Well Drilling8$5,500 to $35,000
Well Pump Repair0$1,000 to $2,500

None of the listings based in Brown County hold a license class we can match to septic system installation, 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 Brown 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 Wisconsin?

Neighboring counties