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Owosso, Shiawassee County, Michigan
11 plumbers with a Owosso address, scored out of 100. Updated October 2026.
As of October 2026, the highest-scoring plumber in Owosso, MI on TownAnswer is Dan Martin Plumbing LLC, with a score of 66 out of 100 (5.0 stars from 31 Google reviews). Next are Al Miller Bartz Septic Service (62) and The Honest Plumber - Owosso (59). We scored 11 plumbers with a Owosso address. If review count matters most, Lamphere's Plumbing Heating & Cooling has the most Google reviews (87).
Our October 2026 pull of Google Maps found 11 plumbers with a Owosso mailing address. 7 list a website, 7 have claimed their Google listing and 0 take online bookings.
2 belong to a business with three or more Michigan locations in our data. The other 9 have one or two.
Every business is scored by the same rules. A business cannot pay for a higher place.
The most-reviewed plumber in Owosso is Lamphere's Plumbing Heating & Cooling with 87 Google reviews. The median rating among scored listings is 4.0 stars.
Highest score first. Tap a name for its website, or Score details for the full breakdown.
The 100-point TownAnswer score. Every plumber here is checked on the same 5 parts: reputation (26 points), review volume (18), focus (14), profile (22) and verified owner (20). Nobody pays to rank. How we rank
Comes to youClaimed on Google
Dan Martin Plumbing LLC serves customers at their location and keeps its street address private on Google. Its map pin is in Owosso. That is 1.0 miles northwest of the Owosso city center. Google files it under "Plumber" and also Service establishment. Its 5.0 stars rest on 31 reviews, which our method reads as 4.83 after the review-count adjustment.
Claimed on Google
Al Miller Bartz Septic Service is at 1140 E Grand River Rd, Owosso, MI 48867. That is 6.8 miles south of the Owosso city center. Google files it under "Septic system service". After we adjust for review count, its 4.8 stars count as 4.67.
Opens before 7 AMOpen after 8 PMWeekend hoursClaimed on Google
You will find The Honest Plumber - Owosso at 503 S Shiawassee St, Owosso, MI 48867. Its Google category is "Plumber". After we adjust for review count, its 4.7 stars count as 4.58.
Open 24 hoursWeekend hoursClaimed on Google
You will find S.D. Plumbing at 116 W Exchange St, Owosso, MI 48867. It sits about 0.3 miles northeast of central Owosso. Google files it under "Plumber". After we adjust for review count, its 5.0 stars count as 4.66.
Weekend hoursClaimed on Google
Chrest Supply lists its address as 1035 E M 21, Owosso, MI 48867. It sits about 1.1 miles east of central Owosso. Its Google category is "Warehouse", with Bathroom supply store, Electrical supply store, Hardware store as extra categories. Its 4.0 stars rest on 32 reviews, which our method reads as 4.15 after the review-count adjustment.
Opens before 7 AMOpen after 8 PMWeekend hoursClaimed on Google
Home Services at The Home Depot is at 2205 East, 2205 M-21 Tools and Hardware, Owosso, MI 48867. That is 2.7 miles east of the Owosso city center. Its Google category is "Plumber", with Bathroom remodeler, Electrician, Flooring contractor as extra categories. Its 3.3 stars rest on 9 reviews, which our method reads as 4.04 after the review-count adjustment. Home Services at The Home Depot has 31 locations in our Michigan data. Each location is scored on its own reviews.
Claimed on Google
Lamphere's Plumbing Heating & Cooling is at 919 W Main St, Owosso, MI 48867. It sits about 0.4 miles west of central Owosso. Its Google category is "Plumber". After we adjust for review count, its 3.8 stars count as 3.90.
★ 4.1 9 Google reviews
Van Strate & Son Plumbing lists its address as 329 Jerome Ave, Owosso, MI 48867. That is 0.4 miles east of the Owosso city center. Google files it under "Plumber". Its 4.1 stars rest on 9 reviews, which our method reads as 4.34 after the review-count adjustment. The owner has not claimed the Google listing.
★ 2.0 1 Google review
Michigan Plumbing lists Owosso without a street address. Google files it under "Plumber". Its 2.0 stars rest on 1 review, which our method reads as 4.33 after the review-count adjustment. Michigan Plumbing has 3 locations in our Michigan data. Each location is scored on its own reviews. The owner has not claimed the Google listing.
★ 1.0 3 Google reviews
Smith Pumps & Plumbing Inc is at 301 S Lansing St, Owosso, MI 48867. That is 0.3 miles west of the Owosso city center. Google files it under "Plumber" and also Car repair and maintenance service. After we adjust for review count, its 1.0 stars count as 3.90. The owner has not claimed the Google listing.
★ 3.5 16 Google reviews
Brown's Plumbing & Heating lists its address as 817 Michigan Ave, Owosso, MI 48867. That is 0.4 miles south of the Owosso city center. Google files it under "Heating contractor". After we adjust for review count, its 3.5 stars count as 3.97. The owner has not claimed the Google listing.
| # | Business | Score | Grade | Rating | Reviews | Street |
|---|---|---|---|---|---|---|
| 1 | Dan Martin Plumbing LLC | 66 | B- | 5.0 | 31 | service area |
| 2 | Al Miller Bartz Septic Service | 62 | C+ | 4.8 | 22 | 1140 E Grand River Rd |
| 3 | The Honest Plumber - Owosso | 59 | C | 4.7 | 12 | 503 S Shiawassee St |
| 4 | S.D. Plumbing | 59 | C | 5.0 | 8 | 116 W Exchange St |
| 5 | Chrest Supply | 50 | C | 4.0 | 32 | 1035 E M 21 |
| 6 | Home Services at The Home Depot | 49 | C- | 3.3 | 9 | 2205 East, 2205 M-21 Tools and Hardware |
| 7 | Lamphere's Plumbing Heating & Cooling | 46 | C- | 3.8 | 87 | 919 W Main St |
| 8 | Van Strate & Son Plumbing | 39 | C- | 4.1 | 9 | 329 Jerome Ave |
| 9 | Michigan Plumbing | 34 | C- | 2.0 | 1 | not listed |
| 10 | Smith Pumps & Plumbing Inc | 29 | C- | 1.0 | 3 | 301 S Lansing St |
| 11 | Brown's Plumbing & Heating | 27 | C- | 3.5 | 16 | 817 Michigan Ave |
Owosso has 14,632 residents and 6,320 households (ACS 2024 5-year estimates for Owosso city). 84.6 percent of its homes were built before 1980, and the median home was built in 1,951.
68.3 percent of homes are owner-occupied. The median home value is $132,600. Older housing stock tends to need more plumbing, roofing, electrical and water damage work, so these figures help explain local demand. They do not measure it.
Our October 2026 data has 11 plumbers with a Owosso mailing address: 7.5 per 10,000 residents. A mailing city can differ from the city limits, so treat the ratio as a guide.
Plumbing work in Michigan needs a licence from LARA, the Bureau of Construction Codes. A licensed master plumber or a plumbing contractor must be responsible for the work. You can check any licence for free on LARA Verify a License.
Ask how the job is priced before the plumber starts. Some shops charge a flat price per task. Others charge by the hour plus parts. Ask about a trip or diagnostic fee too.
A water heater replacement, a new gas line or a sewer repair often needs a permit from the city or township. The plumber usually pulls it. Ask.
In older homes, ask about the main shutoff valve and the sewer line material. Many homes built before 1980 have clay or cast iron sewer lines.
Get the warranty in writing. Parts and labor often have different terms.
| City | Distance | Plumbers | Top score |
|---|---|---|---|
| Owosso Township | 3.2 mi west | 1 | 27 |
| Shiawassee Township | 6.8 mi southeast | 1 | n/a |
| Bancroft | 9.9 mi southeast | 1 | 28 |
| Ovid | 10.1 mi west | 1 | 42 |
| Oakley | 10.2 mi north | 1 | 79 |
| Durand | 11.0 mi southeast | 1 | 47 |
| Perry | 11.5 mi south | 3 | 54 |
| Lennon | 12.3 mi east | 1 | 36 |
Personal Injury Attorneys 2Water Damage Restoration Companies 1Mold Remediation Companies 1Mold Inspection and Testing Companies 1Roofers 3HVAC Companies 6Electricians 11Dentists 17Med Spas 3Pilates and Fitness Studios 8Photographers 10Coffee Cart Vendors and Mobile Coffee Bars 5Cafés and Coffee Shops 14Restaurants 28Real Estate Brokerages 27Dance Studios 4Everything in OwossoPlumbers in Shiawassee County
Our October 2026 data lists 11 plumbers with a Owosso mailing address. 11 have a Google rating and are scored. A business can be missing, so treat the count as a floor.
Dan Martin Plumbing LLC has the highest TownAnswer score in Owosso: 66 out of 100, from 5.0 stars and 31 Google reviews. Scores change when listings change.
Reputation (26 points) is the Google rating adjusted for how many reviews it rests on. Review volume adds up to 18, how closely the business matches the trade up to 14, profile facts such as website, phone, hours, photos and a claimed listing up to 22, and a profile the owner verified with TownAnswer adds 20.
No. Every business is scored by the same rules, and no payment changes a score or a place on a list.
Nearby city pages: Owosso Township (3.2 miles), Shiawassee Township (6.8 miles), Bancroft (9.9 miles), Ovid (10.1 miles).
Is the plumber licensed in Michigan? Check the name on LARA Verify a License. Is the price flat-rate or hourly, and is there a trip fee? Does the job need a permit, and who pulls it?
Owosso is in Shiawassee County. See every plumber in the county on the Shiawassee County page.
We refresh the data from Google Maps and change the date on the page only when the data changes. This version uses data read in October 2026.
TownAnswer ranks local businesses by one published method. Businesses cannot pay to change their rank. Ratings and review counts come from Google Maps, read in October 2026. Details change, so confirm hours, prices and licences with each business. How we rank.
