Licensed water treatment contractors in Minneapolis, MN
1 water treatment contractor holds an active licence on the Minnesota Department of Labor and Industry (DLI) register in Minneapolis, checked 4 Nov 2026: 0 licensed 10 years or more, 100% bonded and none with a complaint or board disclosure on record. Ranked by a published formula; nobody pays to move up.
- Active licences
- 1
- Median time licensed
- 3.7 yrs
- Bonded
- 100%
- Lead-Safe certified
- 0
Filled tags sit at the business's Google location; hollow tags show its mailing ZIP code only. Each tag is the theoPros score.
Ranked list
- 1
Northern Plumbing and Softening
- Licence active
- Bonded
- Workers' comp
- No complaints
Questions people ask about water treatment contractors in Minneapolis
How many licensed water treatment contractors are in Minneapolis?
1 water treatment contractors hold an active Minnesota Department of Labor and Industry (DLI) licence with a mailing address in Minneapolis, checked on 4 November 2026. 0 of them have been licensed for 10 years or more.
Does a water treatment contractor need a licence in Minnesota?
Yes. Electrical work, security and other low-voltage systems included, plumbing and water conditioning need a licensed contractor whatever the job costs (Minn. Stat. 326B.33, 326B.46 and 326B.55). Roofers and builders working on homes need a residential licence once that work brings in more than $15,000 a year, and a certificate of exemption below it (Minn. Stat. 326B.805). Look for an active Water licence.
How do I check a water treatment contractor's licence in Minneapolis?
Ask for the licence number and look it up on the Minnesota DLI website, or search this page. Every water treatment contractor listed here was matched to an active licence on the Minnesota DLI register.
Which water treatment contractors rank highest in Minneapolis?
By our published formula (years licensed, complaint record, bond and insurance, and Google reviews), the top three are Northern Plumbing and Softening (41). Paying or claiming a listing never changes the order.
How much do water treatment contractors charge in Minneapolis?
Water treatment contractors in the Minneapolis-St. Paul-Bloomington metro earn a median $29.52 an hour (BLS, May 2025); contractors typically bill about twice the wage to cover insurance, overhead and profit.
Do I need a lead-safe certified water treatment contractor in Minneapolis?
If your home was built before 1978 and the work disturbs paint, yes: the law requires a firm certified lead-safe by the US Environmental Protection Agency. 72% of homes here were built before 1980 (US Census, ACS 2024 1-year), and 0 of the 1 licensed water treatment contractors listed are certified.