Macomb County, MI · Verified Review Data
The Best Plumbers in Warren, MI (2026)
Warren has 599 plumbing license records on file with LARA — the 6th most of any Michigan city, 196 of them currently active — but two stand out. Motor City Plumbing and Drain (5.0 stars, 278 reviews, serving Warren from Roseville) leads on verified review volume, while Shelby Mechanical, LLC (5.0 stars, 97 reviews, Michigan license MIP959988 on file) is the top-reviewed plumber based in Warren itself. Expect a $50–$300 service call fee and $40–$180/hr labor. All five picks below hold 5.0-star averages.
Top Pick
Motor City Plumbing and Drain
5.0 ★ · 278 verified reviews · Serving Warren from Roseville · License not on file
With 278 verified five-star reviews — nearly three times any other plumber serving Warren — Motor City Plumbing and Drain is the volume-and-consistency pick. Based minutes away in Roseville, the company serves the Warren area (ZIPs 48088–48093) for drain, sewer, and general plumbing work.
Shelby Mechanical, LLC
5.0 ★ · 97 verified reviews · Warren, MI · Lic. MIP959988
The highest-reviewed plumber based in Warren itself, Shelby Mechanical has Michigan license MIP959988 on file and a perfect 5.0 average across 97 reviews. A strong first call for homeowners who want a local contractor for water heaters, repipes, and repairs.
Frost & Kretsch Plumbing Inc
5.0 ★ · 6 verified reviews · Warren, MI · Lic. 8107993
Frost & Kretsch is a Warren-based shop with license 8107993 on file and a 5.0-star average across its 6 reviews. A smaller review footprint, but a license number plus a hometown Warren address make it a solid option for residents who prefer hiring inside city limits.
K & M Plumbing & Sewer Service
5.0 ★ · 4 verified reviews · Warren, MI · Lic. MIP359855
Operating out of Warren with Michigan license MIP359855 on file, K & M carries a 5.0-star rating from 4 reviews. The sewer focus in the name matters here — Warren's aging clay laterals and backup-prone basements make a sewer-savvy local plumber worth saving in your contacts.
Bison Plumbing
5.0 ★ · 4 verified reviews · Warren, MI · Lic. 8002280
Bison Plumbing rounds out the top five as a Warren-based contractor with license 8002280 on file and a perfect 5.0 rating across 4 reviews. A newer review profile than the leaders, but a local base earns it a spot for general residential plumbing work.
Every reviewed plumber, compared
Warren has 599 plumbing license records on file with LARA — the 6th most of any Michigan city. These are the verified, reviewed contractors from our directory, with license numbers shown where on file.
| Business | Based in | Rating | Reviews | MI License |
|---|---|---|---|---|
| Motor City Plumbing and Drain | Roseville (serves Warren) | 5.0 | 278 | — |
| Shelby Mechanical, LLC | Warren | 5.0 | 97 | MIP959988 |
| Frost & Kretsch Plumbing Inc | Warren | 5.0 | 6 | 8107993 |
| K & M Plumbing & Sewer Service | Warren | 5.0 | 4 | MIP359855 |
| Bison Plumbing | Warren | 5.0 | 4 | 8002280 |
| Conti LLC | Sterling Heights (serves Warren) | 5.0 | 2 | CFC1431095 |
License numbers as provided in our directory — verify current status with the State of Michigan at michigan.gov/lara before hiring.
Licensed plumber reality in Warren
What Michigan's license records actually show for plumbers based at Warren addresses — counted from the state's LARA database, city by city.
Just 34 active master plumbers are based in Warren — for a city of roughly 139,000 residents — and 67% of every license ever filed here has lapsed. The bright spot: Warren's 83 active apprentices are the biggest training pipeline of any city in Macomb County.
Source: Michigan LARA license records, analyzed September 2026 — full statewide analysis.
What breaks in Warren homes
Galvanized supply pipes are hitting end-of-life
Much of Warren's housing was built between 1945 and 1970, which means original galvanized steel supply lines are now decades past their expected service life. Symptoms: rusty water, falling pressure, pinhole leaks. Most Warren repipes replace galvanized with PEX — get quotes from a licensed plumber before leaks reach finished basements.
Basement sewer backups and clay laterals
Warren's postwar homes drain through original clay sewer laterals and cast iron stacks that crack, shift, and invite root intrusion. Sewer line repair runs $4,000–$12,000, so a $150–$500 camera inspection and drain cleaning is cheap insurance. Ask about backwater valves and sump pumps — the front line against storm-driven basement flooding.
Hard water is shortening water heater life
Warren receives GLWA water at 103–137 ppm hardness — hard enough to shorten tank water heater life versus soft-water markets. If your tank is nearing end of life, budget $1,600–$2,500 for a standard 50-gallon replacement, and consider a $150–$350 expansion tank while the plumber is on-site.
What plumbers charge here
Planning a water heater job? Run the numbers in our Michigan cost calculator.
Questions homeowners ask
Who is the best plumber in Warren, MI?
Motor City Plumbing and Drain leads plumbers serving Warren with a 5.0 rating across 278 verified reviews (based in neighboring Roseville). Shelby Mechanical, LLC (5.0 stars, 97 reviews, license MIP959988 on file) is the top-reviewed plumber based in Warren itself.
How much does a plumber cost in Warren, MI?
Warren plumbers typically charge a $50–$300 service call fee and $40–$180 per hour for labor. Drain cleaning runs $150–$500, a 50-gallon water heater replacement $1,600–$2,500 installed, and sewer line repair $4,000–$12,000.
How many licensed plumbers are in Warren?
Warren has 599 plumbing license records on file with Michigan LARA — the 6th most of any Michigan city — of which 196 are currently active (expiration on or after 2026-09-04), out of 16,751 active statewide. That density means competitive quotes: getting two or three estimates is realistic even for emergency work.
Why do Warren basements flood with sewage?
Warren's postwar housing drains through original clay sewer laterals that crack and invite root intrusion, and heavy rains can overwhelm aging lines. A $150–$500 camera inspection identifies problems before a $4,000–$12,000 repair becomes an emergency. Backwater valves add protection.
How do I verify a Warren plumber's license?
Every plumber in our directory shows its Michigan license number where on file — verify current status yourself at michigan.gov/lara using the license search. Michigan has issued 52,419 plumbing licenses but only 16,751 are currently active; another 1,945 carried an April 30, 2026 expiration and had not been renewed as of the July 2026 state pull. Checking status before you hire is worth the minute.
Should I replace my water heater before it fails?
In Warren's 103–137 ppm hard water, tanks lose years of their expected life to scale. If yours is nearing end of life, replacing on your schedule ($1,600–$2,500 for a 50-gallon) beats an emergency call with a $75–$200 after-hours surcharge and a flooded basement.
Need quotes instead of research?
Tell us the problem once — licensed Warren-area plumbers call you.
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