Licensed Well and Septic Contractors Based in Waukesha, WI

12 licensed well and septic pros based in Waukesha. Every license number below is sourced from public licensing records, with a link to look it up yourself.

"Based in" is the city on the business's license record. That can be a mailing address; it doesn't tell you where the business works. Businesses based in nearby towns may also work here. Roster copy last refreshed 2026-08-19.

Browse Waukesha by service

Listings based in Waukesha

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Also in Waukesha: radon testing and mitigation (1). See radon professionals in Wisconsin.

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Services in Waukesha, with national cost ranges

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

None of the listings based in Waukesha hold a license class we can match to septic inspection, septic system design or well pump repair. The closest matching licensees we found in nearby towns are listed below. Ask any contractor whether they do this work, or browse the listings based in Waukesha County.

Listings that hold a matching license class, based in nearby towns rather than in Waukesha, for the services with fewer than 3 here. Nearest first, in straight-line miles from the center of Waukesha:

Septic Tank Pumping

• Sunset Septic Service, Inc, based in Wales, about 6 miles away
• Guardian Well & Septic, based in Big Bend, about 8 miles away
• Doc's Sewer & Water, based in Big Bend, about 8 miles away
• McDonough Septic, based in Mukwonago, about 9 miles away
• Lakeshore Burial Vault Co., Inc., based in Brookfield, about 9 miles away

Septic Inspection

• Guardian Well & Septic, based in Big Bend, about 8 miles away
• Herr Septic & Sewer Inc., based in Oconomowoc, about 14 miles away
• O'Leary Plumbing, based in East Troy, about 15 miles away
• Maas & Sons, based in Waterford, about 16 miles away
• Southern Lakes Plumbing, based in Elkhorn, about 25 miles away

Perc Test and Soil Evaluation

• Guardian Well & Septic LLC, based in Big Bend, about 8 miles away
• Rockstar Soil Testing LLC, based in Dousman, about 11 miles away
• Tim Richter, based in Oconomowoc, about 14 miles away
• Todd Stair, based in Oconomowoc, about 14 miles away
• Herr Septic & Sewer Inc., based in Oconomowoc, about 14 miles away

Hiring a well and septic professional in Waukesha

Before you hire, confirm the license is still active with the agency that issued it and get at least three written quotes.

Homeowner guides

• What Is a Septic Tank and How Does It Work?
• No Water From Your Well? What to Check First
• Well Water Testing: What to Test For and How Often
• Do I need a permit for well or septic work in Wisconsin?

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