15 Best Plumbers in Warren, MI: Scored on Real Reviews
Ranked on real Google reviews and readiness, mapped to Warren’s permit office, water authority and lead-service-line status. Licence shown where we matched the state register. Nobody pays to appear.
Cregger Plumbing, Heating, Cooling & Electrical is the highest-scoring plumber serving Warren, at 853/1000. Each of the 15 companies below is scored on a published 0–1,000 method — real Google reviews, recent activity and readiness. Where a company matches the Michigan plumbing-contractor licence register, we show and link the licence; a blank means we have not matched it yet, not that it is unlicensed. Nobody pays to rank.
The ranked list
| # | Plumber in Warren, MI | Score /1000 | Google rating | MI licence | 24/7 |
|---|---|---|---|---|---|
| 1 | Cregger Plumbing, Heating, Cooling & Electrical | 853 /1000 | 4.9 (7151 Google) | ✓ | — |
| 2 | Motor City Plumbing and Drain | 838 /1000 | 4.9 (3239 Google) | ✓ | — |
| 3 | Bison Plumbing | 828 /1000 | 4.9 (3521 Google) | ✓ | — |
| 4 | WaterWork Plumbing | 795 /1000 | 4.7 (2326 Google) | ✓ | — |
| 5 | Frost & Kretsch Plumbing | 783 /1000 | 4.7 (219 Google) | ✓ | — |
| 6 | H2O Plumbing and Sewer | 772 /1000 | 4.9 (390 Google) | verify | — |
| 7 | S&J Plumbing | 769 /1000 | 4.9 (1132 Google) | ✓ | — |
| 8 | JH Plumbing Inc | 731 /1000 | 4.9 (129 Google) | verify | — |
| 9 | Z Plumberz of Oakland County | 627 /1000 | 4.8 (598 Google) | verify | — |
| 10 | Expert Plumbers of Warren | 605 /1000 | 5.0 (5 Google) | verify | — |
| 11 | Vertex Plumbing | 566 /1000 | 4.9 (79 Google) | verify | — |
| 12 | Five Guys Plumbing Warren | 551 /1000 | 4.8 (25 Google) | verify | — |
| 13 | Lakeview Mechanical- Heating, Plumbing & Electrical | 523 /1000 | 4.0 (225 Google) | verify | — |
| 14 | Legacy Plumber Warren MI | 509 /1000 | 5.0 (6 Google) | verify | — |
| 15 | Armstrong Plumbing & Sewer Service | 365 /1000 | 3.9 (49 Google) | verify | — |
Score is Grade A Plumber's own 0–1,000 rating, computed from review quality and volume, recent activity, owner replies and a verified Michigan licence. Google ratings and counts are shown as reported by Google and are not this site's own rating. A green ✓ means we matched the company to a current Michigan plumbing licence; “verify” means it is not in our register extract yet — check the state record. A blank is not a claim that a company is unlicensed.
Plumbing in Warren: permits, water and sewers
Plumbing permits are issued by the Warren Building Division (One City Square, Suite 305; 586-574-4504), with applications filed online through BS&A. [City of Warren Building Division]
Warren’s water is treated by GLWA from the Detroit River and delivered through city mains; the Water & Sewer Division (586-759-9200) also handles broken mains and flooding after hours. [City of Warren Water & Sewer / 2025 Water Quality Report]
Unlike most of the county, Warren runs its own 50-MGD wastewater treatment plant. A sewer-backup claim goes to the City of Warren Risk Management Division (One City Square, Suite 410; 586-574-4670). [City of Warren Wastewater Treatment; Warren 311 claim article]
As of March 1, 2026, Warren had identified 482 lead service lines, replaced 446, and still listed about 17,500 service lines of unknown material out of 53,803 — the largest unknown count among nearby cities. The city offers a free service-line inspection ([email protected]). [City of Warren 2025 Water Quality Report]
Common questions about plumbing in Warren
Who do I call about a sewer backup in Warren?
Warren runs its own wastewater plant, so a backup claim goes to the City of Warren Risk Management Division (586-574-4670), and Michigan law gives you 45 days from discovering the damage to file written notice. [City of Warren 311]
Warren is in Macomb County — see the full county ranking, or all plumbers. See how the score and licence check work. Local facts read October 2026.