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Licensed Water Well Contractors: Cass County, MI

6 licensed water well contractors based in Cass 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 Michigan EGLE - Wellogic Registered Water Well Drilling and Pump Installation Contractors (via LMAS District Health Department mirror). Roster copy last refreshed 2026-10-17.

Need well drilling, well pump repair, or other water-well work quotes in Cass County? Request free quotes and we'll pass it to licensed water well contractors who serve the area.

Towns in Cass County

All 2 towns named on the license records based here, with the number of listings in each, most first.

License classes on the Cass 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 6.

License classTradeListings
Water Well Drilling ContractorWell5
Pump InstallerWell1

Water Well Contractors based in Cass County (6)

Boyer Well & Pump Service

Well Drilling
Based in Cassopolis, MI · License #14-1949

James Lewis Mosier Well Drilling Inc.

Well Drilling
Based in Dowagiac, MI · License #14-2001

Martin J Mosier & Sons

Well Drilling
Based in Dowagiac, MI · License #14-2576

Thomas J Mosier Well Drilling

Well Drilling
Based in Cassopolis, MI · License #14-1849

Dohm Well Drilling, Inc.

Well Drilling
Based in Dowagiac, MI · License #14-2024, 14-2025

Martin J Mosier & Sons Water Well Service LLC

Well Pump Repair
Based in Dowagiac, MI · License #14-2766, 14-2767

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 Cass County, with national cost ranges

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

ServiceBased in Cass CountyNational cost
Well Drilling5$5,500 to $35,000
Well Pump Repair1$1,000 to $2,500

Hiring a water well contractor in Cass County

Water well contractors drill and case new wells, install and service pumps and pressure tanks, and plug wells taken out of service. Well drilling cost is driven mostly by depth and geology. Most states license drilling and pump installation separately; confirm the license covers the work you need.

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 Michigan?

Neighboring counties