62/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 2,503 Google reviews, the most in Shelby.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Shelby, MI (2026)
80 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Shelby: Universal Plumbing and Sewer, CR Score 62/100; 4.9★ from 2,503 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Harvey and Sons Septic Service, posts 24/7 hours; ranked #2 of 80.
- 15
Most-reviewed: Nelson Bros. Sewer & Plumbing, 1,624 Google reviews at 4.8★, the most of 80 ranked after Universal Plumbing and Sewer; ranked #15.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
80 Shelby septic service companies are ranked here by CR Score, from ten published factors. 33 are open 24/7, 49 open Saturdays and 42 open Sundays, based on posted hours. The median Google rating is 4.6★ across 80 rated businesses.
Most of this list also appears on the Septic service companies in Troy ranking. See Septic service companies in Troy
Top 10 septic service companies in Shelby at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Universal Plumbing and Sewer | 62 | 4.9★ (2,503) | Clinton Township, 10 mi away | 24/7 | Overall |
| 2 | Harvey and Sons Septic Service | 62 | 4.8★ (137) | Sterling Heights, 5 mi away | 24/7 | Emergencies |
| 3 | M & M Septic | 60 | 4.9★ (498) | Waterford, 21 mi away | 24/7 | — |
| 4 | H2O Plumbing and Sewer | 59 | 4.9★ (390) | Fraser, 11 mi away | 24/7 | — |
| 5 | Cregger Plumbing, Heating, Cooling & Electrical | 58 | 4.9★ (206) | Farmington, 22 mi away | 24/7 | — |
| 6 | H2O Plumbing, Sewer and Drain | 58 | 4.9★ (292) | Warren, 13 mi away | 24/7 | — |
| 7 | Mainline Plumbing & Sewer Inc | 57 | 4.5★ (99) | Auburn Hills, 1 mi away | 24/7 | — |
| 8 | Universal Plumbing And Sewer, Inc. | 57 | 4.9★ (378) | Auburn Hills, 17 mi away | 24/7 | — |
| 9 | Mr. Rooter Plumbing of Macomb | 57 | 4.4★ (26) | Clinton Township, 3 mi away | Sat · Sun · Evenings | — |
| 10 | B & B Sewer Cleaning & Septic Tank Pumping | 56 | 4.4★ (40) | Waterford, 11 mi away | Sat · Sun · Evenings | — |
The 80 best septic service companies in Shelby, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Sterling Heights, 5 mi away
62/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 137 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#3 M & M Septic
Based in Waterford, 21 mi away
60/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 498 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fraser, 11 mi away
59/100CR ScoreRanked #4 because of its Google rating and review volume: 4.9★ from 390 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Farmington, 22 mi away
58/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 206 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Warren, 13 mi away
58/100CR ScoreRanked #6 because of its Google rating and review volume: 4.9★ from 292 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn Hills, 1 mi away
57/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.5★ from 99 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn Hills, 17 mi away
57/100CR ScoreRanked #8 because of its Google rating and review volume: 4.9★ from 378 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Clinton Township, 3 mi away
57/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.4★ from 26 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waterford, 11 mi away
56/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.4★ from 40 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Farmington Hills, 20 mi away
55/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 151 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rochester Hills, 5 mi away
55/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.5★ from 35 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#13 Michigan Waste
Based in Waterford, 13 mi away
55/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.1★ from 11 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fenton, 16 mi away
55/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 67 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Royal Oak, 13 mi away
55/100CR ScoreRanked #15 because of its Google rating and review volume: 4.8★ from 1,624 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Royal Oak, 13 mi away
54/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 44 Google reviews, listed on Google as “Drainage service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Walled Lake, 24 mi away
54/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.7★ from 92 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rochester Hills, 3 mi away
54/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.6★ from 34 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Dearborn, 20 mi away
54/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.7★ from 188 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waterford, 14 mi away
54/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.8★ from 127 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn Hills, 8 mi away
54/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.6★ from 15 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in New Baltimore, 12 mi away
54/100CR ScoreRanked #22 because of its Google rating and review volume: 4.7★ from 235 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Clinton Township, 2 mi away
54/100CR ScoreRanked #23 because of its Google rating and review volume: 4.9★ from 539 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Milford, 21 mi away
53/100CR ScoreRanked #24 because of its Google rating and review volume: 4.7★ from 644 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waterford, 18 mi away
53/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.8★ from 16 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
How we ranked Shelby septic service companies
We scored 80 Shelby septic service companies on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed November 3, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Shelby data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |
Septic service companies in Shelby: frequently asked questions
Who is the best septic service company in Shelby?
By CR Score, the highest-ranked septic service company in Shelby, MI is Universal Plumbing and Sewer with a CR Score of 62/100. It has 4.9★ from 2,503 Google reviews. It is open 24/7. Harvey and Sons Septic Service (#2) and M & M Septic (#3) follow. We ranked 80 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Shelby?
ContractorsRanked ranks 80 septic service companies serving Shelby, MI. Counts are as of November 2026.
Which septic service companies in Shelby are open 24/7?
33 ranked septic service companies in Shelby post 24/7 hours. The highest-ranked are Universal Plumbing and Sewer (#1), Harvey and Sons Septic Service (#2) and M & M Septic (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Shelby work on weekends?
49 of 80 ranked septic service companies post Saturday hours and 42 post Sunday hours. The highest-ranked open Saturdays are Universal Plumbing and Sewer (#1), Harvey and Sons Septic Service (#2) and M & M Septic (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Shelby septic service companies have?
The median Google rating among 80 rated septic service companies in Shelby is 4.6★, with a median of 35 reviews. Universal Plumbing and Sewer has the most, 2,503 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank septic service companies?
Each septic service company gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do septic service companies outside Shelby count in this ranking?
Yes, if they are within 25 mi of the Shelby city center, our service radius for septic service companies. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Can septic service companies pay to rank higher on ContractorsRanked?
No. The CR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured businesses may appear above the list, labelled Featured and showing their honest rank.
Update log for Shelby
- November 2026: CR Scores recalculated for 80 septic service companies serving Shelby.
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