Northern States Basement Systems Inc
Licensed plumber in Duluth, Minnesota
Northern States Basement Systems Inc holds Minnesota DLI licence PR644780, active, licensed since 1 Jan 2012, rated 5.0 from 45 Google reviews. Bonded with Western Surety Company. No complaints on the Minnesota DLI record.
Report card
- Licence activeMinnesota DLI #PR644780, class Restricted Plumbing Contractor. Issued 1 Jan 2012, expires 31 Dec 2027.
- Licensed 15 yrsSince 1 Jan 2012.
- BondedContractor’s bond with Western Surety 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 insuredWestern National Mutual Insurance Co, valid to 1 May 2027.
- No complaintsNone on the Minnesota DLI record.Minnesota DLI record
Checked against the Minnesota Department of Labor and Industry (DLI) register on 4 Nov 2026.
Google reviews
5.0(45 reviews)B Balmer★★★★★ 4 months agoView on Google
NSBS did a beautiful job fixing a large crack in my foundation and installing a crawl space entry door. Dave did my initial assessment and gave me a fair and honest opinion of the work that needed to be done. Sean, the foreman on the project, was friendly and communicative. Sarah kept me updated regularly on scheduling needs. Highly recommend!
Pauline Wuoti★★★★★ a month agoView on Google
9/19/2026 Update: Since our original review, we had an issue with the dehumidifier that Northern States Basement Systems installed in the crawl space at our home. We reported the issue and they sent someone out to look at the dehumidifier. The service tech told us that the dehumidifier was not set up level, and the drain tubes were incorrectly positioned which meant the dehumidifier was sitting in a pool of water. Th…
Lisa Doolittle★★★★★ 2 months agoView on Google
We had an egress window well replaced. The whole experience was absolutely fantastic, from the time they came out to give an estimate, to the time the window well was installed! Extremely nice and professional people to work with. One setback, however. The wrong window well was delivered so we had to reschedule for a month later. With that said. They made every effort to get us on the schedule as soon as the right w…
Anna Richards★★★★★ 4 months agoView on Google
We were very happy with our window well replacement work. The crew were efficient, clean, organized, friendly, and did a great job. The final product was exactly what we were hoping for. We would highly recommend NSBS!
Shevan Weerasinghe★★★★★ 4 months agoView on Google
I have worked previously with CEO Dave Pollock and the experiences were always 100 percent positive. So I had absolutely no hesitation to reach out to them again for my needs. I would always highly recommend them.
Read all 45 reviews on Google Reviews and photos from Google, 3 Nov 2026.
Why it ranks #2 of 20 plumbers in Duluth
Score 89.1 / 100. Claiming this listing or using Theo never changes it. How we rank
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