Plumbers in Duluth, MN

44 listed, 43 with official MN DLI license status. Data dated November 12, 2026.

Stone Plumbing and Heating Inc
Duluth, MN · Plumbing, HVAC
MN DLI license (Plumbing Contractor): Issued
(218) 525-44504.9 stars (541 reviews) per Google, November 12, 2026
A G Obrien Plumbing & Heating Co
Duluth, MN · Plumbing, HVAC
MN DLI license (Technology Systems Contractor, Plumbing Contractor): Issued
(218) 729-96624.8 stars (424 reviews) per Google, November 12, 2026
Kalkbrenner Plumbing & Heating Inc
Duluth, MN · Plumbing, HVAC
MN DLI license (Plumbing Contractor): Issued
(218) 297-11905 stars (244 reviews) per Google, November 12, 2026
Harbor Mechanical Incorporated
Duluth, MN · Plumbing, HVAC
MN DLI license (Plumbing Contractor): Issued
(218) 525-74734.9 stars (140 reviews) per Google, November 12, 2026
Design Heating LLC
Duluth, MN · Plumbing, HVAC
MN DLI license (Plumbing Contractor): Issued
(218) 525-59144.9 stars (125 reviews) per Google, November 12, 2026
Lotta Hot Water
Duluth, MN · Plumbing, HVAC
MN DLI license (Plumbing Contractor): Issued
(218) 590-52945 stars (85 reviews) per Google, November 12, 2026
Advantage Air Plumbing Heating & Cooling Inc
Duluth, MN · Plumbing, HVAC
MN DLI license (Plumbing Contractor): Issued
(218) 429-61044.7 stars (83 reviews) per Google, November 12, 2026
Carlson Duluth Co
Duluth, MN · Plumbing, HVAC
MN DLI license (Plumbing Contractor): Issued
(218) 727-00634 stars (65 reviews) per Google, November 12, 2026
Northern States Basement Systems Inc
Duluth, MN · General contractor and remodeling, Plumbing
MN DLI license (Residential Building Contractor, Restricted Plumbing Contractor): Issued
(218) 724-28625 stars (46 reviews) per Google, November 12, 2026
Polar Plumbing Heating & Air Inc
Duluth, MN · Plumbing
MN DLI license (Plumbing Contractor): Issued
(218) 966-72275 stars (44 reviews) per Google, November 12, 2026
Shubitz Plumbing & Heating LLC
Duluth, MN · Plumbing
MN DLI license (Plumbing Contractor): Issued
(218) 727-25953.4 stars (38 reviews) per Google, November 12, 2026
Radiant Plumbing and Heating Co
Duluth, MN · Plumbing
MN DLI license (Plumbing Contractor): Issued
(218) 241-16895 stars (23 reviews) per Google, November 12, 2026
Guthrie Plumbing & Heating LLC
Duluth, MN · General contractor and remodeling, Plumbing, HVAC
MN DLI license (Plumbing Contractor): Issued
(218) 727-87334.8 stars (21 reviews) per Google, November 12, 2026
Fossum Plumbing & Heating LLC
Duluth, MN · Plumbing, HVAC
MN DLI license (Plumbing Contractor): IssuedEnforcement action on record
(218) 393-44164.8 stars (18 reviews) per Google, November 12, 2026
L & S Plumbing & Heating LLC
Duluth, MN · Plumbing, HVAC
MN DLI license (Plumbing Contractor): Issued
(218) 729-03925 stars (16 reviews) per Google, November 12, 2026
The Jamar Company
Duluth, MN · Roofing, Plumbing, HVAC
MN DLI license (Technology Systems Contractor, Plumbing Contractor): Issued
(218) 628-10274.4 stars (15 reviews) per Google, November 12, 2026
Bills Plumbing and Heating LLC
Duluth, MN · Plumbing
MN DLI license (Plumbing Contractor): Issued
(218) 391-50065 stars (12 reviews) per Google, November 12, 2026
Carlson Bros Inc
Duluth, MN · Plumbing
MN DLI license (Plumbing Contractor): Issued
(218) 723-83513.5 stars (12 reviews) per Google, November 12, 2026
Murphs Plumbing & Heating LLC
Duluth, MN · Plumbing, HVAC
MN DLI license (Plumbing Contractor): Issued
(218) 590-36925 stars (5 reviews) per Google, November 12, 2026
A W Kuettel & Sons Inc
Duluth, MN · Roofing, Plumbing
MN DLI license (Residential Roofer Contractor, Plumbing Contractor): Issued
(218) 722-39015 stars (4 reviews) per Google, November 12, 2026
Sundland Plumbing & Heating LLC
Duluth, MN · Plumbing
MN DLI license (Plumbing Contractor): Issued
(218) 721-0335
Contour Inc
Duluth, MN · Plumbing, Excavating and septic
MN DLI pipelaying bond: Issued (not a license)
(218) 409-63565 stars (68 reviews) per Google, November 12, 2026
Caldwell Plumbing & Heating Inc
Duluth, MN · Plumbing
MN DLI license (Plumbing Contractor): Issued
(218) 591-34414.4 stars (21 reviews) per Google, November 12, 2026
R J Mehrman & Sons Inc
Duluth, MN · Plumbing
MN DLI license (Plumbing Contractor): Issued
(218) 722-76633.9 stars (7 reviews) per Google, November 12, 2026
A M Mechanical
Duluth, MN · Plumbing
MN DLI license (Plumbing Contractor): Issued
(218) 348-30085 stars (2 reviews) per Google, November 12, 2026
Levine and Son Inc
Duluth, MN · General contractor and remodeling, Plumbing
MN DLI license (Restricted Plumbing Contractor): Issued
(218) 525-2331
A&T Pump Service LLC
Duluth, MN · Plumbing
MN DLI license (Restricted Plumbing Contractor): Issued
(218) 590-9013
Aqua Tech Plumbing Solutions LLC
Duluth, MN · Plumbing
MN DLI license (Plumbing Contractor): Issued
(218) 341-1596
Cedar Drive Excavating Inc
Duluth, MN · Plumbing
MN DLI license (Restricted Plumbing Contractor): Issued
(218) 349-6627
Hietala Plumbing & Heating
Duluth, MN · Plumbing
MN DLI license (Plumbing Contractor): Issued
(218) 624-7883
Integrity Mechanical Services LLC
Duluth, MN · Plumbing
MN DLI license (Plumbing Contractor): Issued
(218) 341-5308
KB Plumbing & Heating
Duluth, MN · Plumbing
MN DLI license (Plumbing Contractor): Issued
(218) 260-3133
Maxx Mechanical LLC
Duluth, MN · Plumbing
MN DLI license (Plumbing Contractor): Issued
(218) 600-7561
Micks Plumbing LLC
Duluth, MN · Plumbing
MN DLI license (Plumbing Contractor): Issued
(218) 576-6721
Modern Mechanical and Automation LLC
Duluth, MN · Plumbing
MN DLI license (Technology Systems Contractor, Plumbing Contractor): Issued
(715) 817-2400
North Lakes Plumbing Heating and Air LLC
Duluth, MN · Plumbing
MN DLI license (Plumbing Contractor): Issued
(218) 409-4668
Northern Sun Plumbing & Heating LLC
Duluth, MN · Plumbing
MN DLI license (Plumbing Contractor): Issued
(218) 491-3203
Outlaw Services LLC
Duluth, MN · Plumbing
MN DLI license (Plumbing Contractor): Issued
(218) 343-0689
Premier Plumbing and Heating LLC
Duluth, MN · Plumbing
MN DLI license (Plumbing Contractor): Issued
(218) 340-7285
Pro Service Plumbing
Duluth, MN · Plumbing
MN DLI license (Plumbing Contractor): Issued
(218) 349-9809
RG Brown Plumbing & Heating LLC
Duluth, MN · Plumbing
MN DLI license (Plumbing Contractor): Issued
(218) 348-6609
RN Plumbing and Heating LLC
Duluth, MN · Plumbing
MN DLI license (Plumbing Contractor): Issued
(218) 390-6379
Streamline Plumbing and Heating
Duluth, MN · Plumbing
MN DLI license (Plumbing Contractor): Issued
(218) 310-5280
Twin Ports Plumbing & Heating LLC
Duluth, MN · Plumbing
MN DLI license (Plumbing Contractor): Issued
(218) 277-9336

Based nearby, serving Duluth, MN

These businesses are based in another town. Each one's own website names Duluth as a place it serves.

Approve Home Services
Gilbert, MN · Electrical, Plumbing
MN DLI license (Class A Electrical Contractor, Plumbing Contractor): Issued
Based in Gilbert, MN. Its website says it serves Duluth.
(218) 741-51004.7 stars (174 reviews) per Google, November 12, 2026
Hill Side Sewer and Drain LLC
Cloquet, MN · Plumbing
MN DLI license (Plumbing Contractor): Issued
Based in Cloquet, MN. Its website says it serves Duluth.
(218) 213-50634.8 stars (92 reviews) per Google, November 12, 2026
Prestige LLC
Virgina, MN · Plumbing, HVAC
MN DLI license (Plumbing Contractor): Issued
Based in Virgina, MN. Its website says it serves Duluth.
(218) 800-76674.8 stars (91 reviews) per Google, November 12, 2026
Belknap Plumbing, Heating & Cooling
Superior, WI · Plumbing, HVAC, Excavating and septic
WI license not yet checked
Based in Superior, WI. Its website says it serves Duluth.
(715) 394-77544.5 stars (74 reviews) per Google, November 12, 2026
Young Plumbing and Heating
Superior, WI · Plumbing, Excavating and septic
WI license not yet checked
Based in Superior, WI. Its website says it serves Duluth.
(715) 395-29293.7 stars (39 reviews) per Google, November 12, 2026

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Common questions

How many plumbers are listed in Duluth, MN?

44, as of November 12, 2026.

Are these plumbers licensed?

43 of the 44 hold an issued license in the Minnesota Department of Labor and Industry (MN DLI) data dated November 12, 2026. 1 more hold a state registration or bond, which is not a license. 1 has an enforcement action on record; see the official record for details.

How is the list sorted?

Featured listings come first and are labeled "Featured". Claimed listings are next. The rest are ordered by how complete their information is, and a state license counts toward that. Businesses found only on Google are in their own section.