State licence
MI contractor licensing
Check the licence with the state board before work starts.
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Water treatment service in Detroit, MI
There are 19 verified water firms listed in Detroit, MI. Listings are compiled from public business records and checked against the MI contractor licensing; each record shows the date it was last verified.
Verified listings19 verified listingsSpring band $2,500–$6,000MI licence + Detroit permit links
Information last verified: 8 November 2026. Dataset compiled 8 November 2026.
What qualifies as a listing
Sewer lines in Detroit
Water treatment service work in Detroit follows the same pattern as the rest of MI: the failure mode decides the method, not the other way round.
Permit rules in Detroit are set locally. Ask the city whether your job needs a permit and who pulls it.
What water work costs in Detroit
The national range is from the site’s cost guide, checked 2026-11-08. The local column applies the 1.00× metro factor and rounds to $5. It is a planning band, not a quote.
| Job | National range | Detroit planning band | What it includes |
|---|---|---|---|
| Whole-house softener, installed | $2,500–$6,000 | $2,500–$6,000 | Typical US range |
| Whole-house filtration | $3,500–$9,000 | $3,500–$9,000 | Typical US range |
| Well tank replacement | $1,200–$2,800 | $1,200–$2,800 | Typical US range |
| Well pump replacement | $900–$2,200 | $900–$2,200 | Typical US range |
| Reverse osmosis, installed | $3,500–$8,000 | $3,500–$8,000 | Typical US range |
| Annual service, no salt | $150–$400 | $150–$400 | Typical US range |
Editorial metro factor, not a measured price index. The factor is not a measured local price index; it estimates labour and permit overhead. A quote that is far below the band usually has a smaller scope, not a better price.
Licence and permit checks for Detroit
Local permit
Detroit permit office
Ask whether the job needs a permit and who pulls it.
Open the permit office →These links go to the official state or city page. The directory does not file permits and does not verify a contractor’s current insurance for you.
Sewer line firms in Detroit, MI
19 verified records. The order is the dataset order, not a ranking. Each card shows the date its record was last verified.
Verified
Advanced Water Treatment
Water treatment service contractor
- Address
- 12676 10 Mile Rd
Detroit, MI - Phone
- (810) 231-2332
- Website
- Not published
- Rating
- 4.7 / 5 · 495 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Beauchamp Water Treatment Solutions
Water treatment service contractor
- Address
Detroit, MI- Phone
- (810) 476-2907
- Website
- Not published
- Rating
- 4.9 / 5 · 1260 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Honest Water Co Metro Detroit
Water treatment service contractor
- Address
Detroit, MI- Phone
- (248) 609-6089
- Website
- Not published
- Rating
- 5.0 / 5 · 7 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Wolverine Water Treatment
Water treatment service contractor
- Address
- 3461 S Dort Hwy
Detroit, MI - Phone
- (810) 255-0857
- Website
- Not published
- Rating
- 4.8 / 5 · 468 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Water Treatment Services, Inc. - RainSoft
Water treatment service contractor
- Address
- 12600 31 Mile Rd
Detroit, MI - Phone
- (586) 752-6119
- Website
- Not published
- Rating
- 4.5 / 5 · 22 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Michigan Water Pros
Water treatment service contractor
- Address
- 28175 Haggerty Rd
Detroit, MI - Phone
- (248) 213-7765
- Website
- Not published
- Rating
- 5.0 / 5 · 18 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Culligan of Ann Arbor/Detroit
Water treatment service contractor
- Address
- 46925 West Rd
Detroit, MI - Phone
- (248) 295-7700
- Website
- Not published
- Rating
- 4.5 / 5 · 775 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
State Soft Water
Water treatment service contractor
- Address
- 13658 10 Mile Rd
Detroit, MI - Phone
- (810) 227-4561
- Website
- Not published
- Rating
- 4.6 / 5 · 264 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Water Purification Specialists
Water treatment service contractor
- Address
Detroit, MI- Phone
- (248) 289-2139
- Website
- Not published
- Rating
- 5.0 / 5 · 21 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Reynolds Water Conditioning Co.
Water treatment service contractor
- Address
- 24545 Hathaway St
Detroit, MI - Phone
- (248) 888-5000
- Website
- Not published
- Rating
- 4.9 / 5 · 1431 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Action Water Treatment & Services
Water treatment service contractor
- Address
- 274 E Lafayette St
Detroit, MI - Phone
- (586) 752-7600
- Website
- Not published
- Rating
- 4.8 / 5 · 23 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Optimal Water Detroit
Water treatment service contractor
- Address
Detroit, MI- Phone
- (313) 312-1434
- Website
- Not published
- Rating
- 4.9 / 5 · 200 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Pro Water Treatment
Water treatment service contractor
- Address
- 5716 D Ave
Detroit, MI - Phone
- (269) 694-9000
- Website
- Not published
- Rating
- 4.9 / 5 · 30 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
American Water
Water treatment service contractor
- Address
- 9340 Dixie Hwy
Detroit, MI - Phone
- (248) 694-8587
- Website
- Not published
- Rating
- 4.9 / 5 · 163 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Pioneer Water Treatment
Water treatment service contractor
- Address
- 1154 Comstock St
Detroit, MI - Phone
- (616) 699-5968
- Website
- Not published
- Rating
- 4.9 / 5 · 133 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Supreme Water Treatment
Water treatment service contractor
- Address
- 3005 E Highland Rd
Detroit, MI - Phone
- (248) 887-9742
- Website
- Not published
- Rating
- 4.7 / 5 · 12 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Custom Water Treatment
Water treatment service contractor
- Address
- 116 S Main St
Detroit, MI - Phone
- (810) 387-2004
- Website
- Not published
- Rating
- 4.6 / 5 · 10 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
GLWA Water Works Park [Detroit]
Water treatment service contractor
- Address
- 10100 E Jefferson Ave
Detroit, MI - Phone
- (313) 964-9460
- Website
- Not published
- Rating
- 3.5 / 5 · 8 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Champion Water Treatment
Water treatment service contractor
- Address
- 8300 Dexter-Chelsea Rd
Detroit, MI - Phone
- (800) 697-6485
- Website
- Not published
- Rating
- 4.7 / 5 · 17 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Firms in Detroit, MI are shown in the order supplied by the dataset, not by rating or payment. No placement is sold. Each name opens that firm’s own profile page.
How this list was built
The directory starts from public business records: the firm’s own website, its published address and phone number, and the state or city licence register named above. A record is marked verified only when a person has checked the name, address, phone and licence against those sources and recorded the date. The place_id field is kept so a future rebuild can match the same entity without guessing.
The national cost band comes from the site’s cost guide. The metro factor is an editorial estimate, not a survey. No rating, review text, price or availability is invented for a verified page; where a public rating is shown it is attributed and dated.
If a record is wrong, the firm can ask for a correction or removal.Corrections: contact@watertreatmentpro.com. Read the fulllisting verification method.
Water treatment service in Detroit: common questions
How many water firms are listed in Detroit?
19 verified water firms are listed in Detroit, MI. 0 publish a website, and 19 records have been verified. The city page is generated only because the dataset contains at least one genuine listing record; a city with no record has no page.
What does water treatment service cost in Detroit?
The directory’s planning band for a torsion spring replacement is $2,500–$6,000. It is the national range ($2,500–$6,000, checked 2026-11-08) multiplied by an editorial metro factor of 1.00 and rounded to $5. It is an estimate, not a local price survey, and not a quote. Get three written quotes for the same scope.
Does MI license water contractors?
Check the licence with the state board before work starts. The official lookup is the MI contractor licensing, linked on this page. A licence or registration number is a starting point, not a substitute for checking insurance and the scope of the work.
Do I need a permit for a water in Detroit?
Ask whether the job needs a permit and who pulls it. The permit office is the Detroit permit office, linked on this page. If the contractor says no permit is needed, ask them to put the reason in writing.
Water treatment service near Detroit
The closest metros in this directory, by straight-line distance. Each link opens that city’s own cost, licence and permit page.
Guides for Detroit homeowners
What water treatment service costs
Installed ranges by job, and the five lines every quote should show.
Read the guide →Diagnose the problem first
Symptom to cause, what proves it, and what not to do first.
Read the guide →How to choose a contractor
Licence, insurance, warranty and the questions that expose a thin scope.
Read the guide →Compare the options
Repair, replace or change the opening — decided on scope and five-year cost.
Read the guide →Browse the whole directory.
All service areas ·All MI service areas ·Cost guides ·Methodology