← Home · All cities

Plumbing contractors in Watertown, MN

2 plumbing contractors with a Minnesota DLI plumbing contractor license list Watertown as their city (DLI file downloaded November 4, 2026). The city is where the business is based; a contractor may also serve nearby towns, so ask about your address. How to confirm a license.

2licensed contractors
0with a website listed
6individual master plumbers

Before you hire: Who may do plumbing work in Minnesota · Replacing a water heater: license and permit · How to check a license

JW Mechanical LLC
Watertown, MN · DLI plumbing contractor license PC746580
(952) 412-3737
Watertown Plumbing Inc.
Watertown, MN · DLI plumbing contractor license PC730919
(952) 255-8212

Also: 6 individual master plumbers list Watertown (individuals, not contractors).

Contractors listed here are licensed plumbing contractor businesses with a phone number. Street addresses are not published.