Carlson Duluth Co
Licensed plumber in Duluth, Minnesota
Carlson Duluth Co holds Minnesota DLI licence PC651588, active, licensed since 9 Aug 2012, rated 4.0 from 65 Google reviews. Bonded with Federated Service Insurance Company. No complaints on the Minnesota DLI record.
Report card
- Licence activeMinnesota DLI #PC651588, class Plumbing Contractor. Issued 9 Aug 2012, expires 31 Dec 2027.
- Licensed 14 yrsSince 9 Aug 2012.
- BondedContractor’s bond with Federated Service Insurance Company. Minnesota sets the bond by law, $25,000 for electrical, technology systems and plumbing contractors, $15,000 for residential roofers and $3,000 for water conditioning contractors, so every licensed business in a trade carries the same amount.
- Workers' comp insuredOn the Minnesota DLI record.
- Liability insuredFederated Mutual Insurance Company, valid to 1 Oct 2027.
- No complaintsNone on the Minnesota DLI record.Minnesota DLI record
- EPA Lead-Safe certifiedFirm NAT-111617-2, valid to 7 Sep 2027. Required for work disturbing paint in pre-1978 homes.
- On the BBB, not accreditedIts BBB rating, complaints and reviews are on its Better Business Bureau profile.BBB profile Complaints Reviews
Checked against the Minnesota Department of Labor and Industry (DLI) register on 4 Nov 2026.
About Carlson Duluth Co
Carlson Duluth Co. provides plumbing, heating, and HVAC services from Duluth, Minnesota, and serves the Duluth area and Superior.
- Founded
- 1905
- Ownership
- Family-owned
From Carlson Duluth Co's own website, read 3 Nov 2026. We only show what the site states.
Google reviews
4.0(65 reviews)Nancy Ozmun★★★★★ 2 weeks agoView on Google
I had an urgent need to get my furnace fired up for the season and I had concerns about the condensation line. Carlson called back immediately, TWICE. They wanted to get to me before after hours Billing came into effect, but they were more concerned with me having my heat on with my age and my health conditions. They sent out Zack and he was a wonderful HVAC representative for the company and before closing time on F…
Cindy Olson★★★★★ 9 months agoView on Google
Sometimes I become my mother and forget to close the garage door.. You may think, so what?? Well, my water pressure tank is in the garage, so we have a furnace in the garage to keep it from freezing. Last night was one of those "mother" moments, and by the time I returned home (in -19° weather) the furnace was not working, because pipes/pressure valve had frozen. I put space heaters in place, and it would start…
VERNON SWANUM★★★★★ 6 months agoView on Google
Just had my gas furnace and hot water heater replaced by Carlson Duluth. Could not be happier. A young fellow named Jake ramrodded the job. Very pleasant and conscientious. He did a fabulous job. I highly recommend this business.
Laura Perttula★★★★★ 9 months agoView on Google
My 26-year old furnace died on Sunday. I have a service plan through Minnesota Energy Resources and they work with Carlson Duluth Company, so they did the original outreach. I was told to expect a call on Monday, and I they called Monday morning as promised. He gave me my options with all the information I needed to make what decisions I needed to make, then told me two people would be over Tuesday morning to install…
Jon f★★★★★ 2 weeks agoView on Google
We were quoted a price over the phone and agreed to do that work based on that quote. The bill was 50% higher than the quote. During our attempts to get an explanation from Glenn in regards to this, he was sarcastic, unsympathetic, and eventually hung up on us.
Read all 65 reviews on Google Reviews and photos from Google, 3 Nov 2026.
Why it ranks #8 of 20 plumbers in Duluth
Score 73.9 / 100. Claiming this listing or using Theo never changes it. How we rank
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