60/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 2,503 Google reviews, the most in Windsor.
Best Septic Service Companies in Windsor, ON (2026)
90 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Windsor: Universal Plumbing and Sewer, CR Score 60/100; 4.9★ from 2,503 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Cregger Plumbing, Heating, Cooling & Electrical, posts 24/7 hours; ranked #2 of 90.
- 3
Most-reviewed: Burton's Plumbing & Heating, 2,211 Google reviews at 4.9★, the most of 90 ranked after Universal Plumbing and Sewer; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
90 Windsor septic service companies are ranked here by CR Score, from ten published factors. 34 are open 24/7, 55 open Saturdays and 38 open Sundays, based on posted hours. The median Google rating is 4.7★ across 90 rated businesses.
Top 10 septic service companies in Windsor at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Universal Plumbing and Sewer | 60 | 4.9★ (2,503) | Clinton Township, 30 km away | 24/7 | Overall |
| 2 | Cregger Plumbing, Heating, Cooling & Electrical | 59 | 4.9★ (206) | Farmington, 34 km away | 24/7 | Emergencies |
| 3 | Burton's Plumbing & Heating | 58 | 4.9★ (2,211) | Wayne, 30 km away | — | Most reviews |
| 4 | H2O Plumbing, Sewer and Drain | 58 | 4.9★ (292) | Warren, 20 km away | 24/7 | — |
| 5 | Pauley's Sewer & Drain | 58 | 4.3★ (314) | Windsor | 24/7 | — |
| 6 | Harvey and Sons Septic Service | 58 | 4.8★ (137) | Sterling Heights, 34 km away | 24/7 | — |
| 7 | H2O Plumbing and Sewer | 57 | 4.9★ (390) | Fraser, 27 km away | 24/7 | — |
| 8 | Southern Mechanical Plumbing/Sewer Cleaning Detroit Mi | 57 | 4.7★ (188) | Dearborn, 16 km away | 24/7 | — |
| 9 | EA Sewer Cleaning and Snake Business | 56 | 5.0★ (48) | Dearborn, 13 km away | 24/7 | — |
| 10 | Sewer23™ - Plumbing, Sewer & Drain Cleaning | 55 | 5.0★ (151) | Farmington Hills, 33 km away | 24/7 | — |
The 90 best septic service companies in Windsor, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Farmington, 34 km away
59/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 206 Google reviews, listed on Google as “Septic system service”.
Based in Wayne, 30 km away
58/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 2,211 Google reviews, listed on Google as “Septic system service”.
Based in Warren, 20 km away
58/100CR ScoreRanked #4 because of its Google rating and review volume: 4.9★ from 292 Google reviews.
Based in Windsor
58/100CR ScoreRanked #5 because of its Google rating and review volume: 4.3★ from 314 Google reviews.
Based in Sterling Heights, 34 km away
58/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.8★ from 137 Google reviews, listed on Google as “Septic system service”.
Based in Fraser, 27 km away
57/100CR ScoreRanked #7 because of its Google rating and review volume: 4.9★ from 390 Google reviews.
Based in Dearborn, 16 km away
57/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.7★ from 188 Google reviews, listed on Google as “Plumber”.
Based in Dearborn, 13 km away
56/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 48 Google reviews, listed on Google as “Plumber”.
Based in Farmington Hills, 33 km away
55/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 151 Google reviews, listed on Google as “Plumber”.
Based in Westland, 28 km away
55/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 213 Google reviews, listed on Google as “Plumber”.
Based in Windsor
55/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.3★ from 12 Google reviews, listed on Google as “Septic system service”.
Based in Wyandotte, 18 km away
55/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 98 Google reviews, listed on Google as “Plumber”.
Based in Royal Oak, 23 km away
55/100CR ScoreRanked #14 because of its Google rating and review volume: 4.8★ from 1,624 Google reviews.
Based in Dearborn, 14 km away
54/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.8★ from 80 Google reviews, listed on Google as “Plumber”.
Based in Lincoln Park, 17 km away
54/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Plumber”.
Based in Taylor, 23 km away
54/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “Plumber”.
Based in Lincoln Park, 14 km away
54/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.8★ from 49 Google reviews, listed on Google as “Plumber”.
Based in Windsor
54/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Septic system service”.
Based in Amherstburg, 18 km away
53/100CR ScoreRanked #20 because of its Google rating and review volume: 5.0★ from 65 Google reviews.
Based in Royal Oak, 28 km away
53/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 44 Google reviews, listed on Google as “Drainage service”.
Based in Amherstburg, 19 km away
53/100CR ScoreRanked #22 because of its Google rating and review volume: 4.9★ from 63 Google reviews.
Based in Southgate, 20 km away
53/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.8★ from 19 Google reviews, listed on Google as “Plumber”.
Based in Southgate, 18 km away
53/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.3★ from 33 Google reviews, listed on Google as “Plumber”.
Based in Warren, 23 km away
53/100CR ScoreRanked #25 because of its Google rating and review volume: 4.6★ from 195 Google reviews.
Septic service companies ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 90 ranked septic service companies here; the rest are on their profiles.
Also serving Windsor
20 more septic service companies within 40 km that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| A-1 Hydrovac Contracting Inc. | 5.0★ (2) | In Windsor |
| Alda Brothers Sewer and Drain Cleaners | 19 km | |
| Allied Plumbing & Sewer LLC | 22 km | |
| B & B Sewer Drain Cleaning | 3.0★ (1) | 28 km |
| Dun-Rite Plumbing & Sewer | 4 km | |
| EZ-Enviro Supply & Svc | 4.0★ (2) | 24 km |
| IronValve Plumbing & Drain Services Windsor | 5.0★ (1) | In Windsor |
| LANDMARKER CONSTRUCTION | 5.0★ (2) | 20 km |
| Motown plumbing E-Z sewer & drain LLC #2 | 13 km | |
| Mr. Drain The Sewer Specialist | 10 km | |
| Phoenix Drainage | 5.0★ (1) | In Windsor |
| Plumber Windsor | In Windsor | |
| Pride Plumbing & Electric Sewer | 5.0★ (2) | 30 km |
| ProDrain Plumbers Amherstburg | 22 km | |
| R & T Sewer Cleaning | 5.0★ (1) | 12 km |
| Rapid Sewer Data | 5.0★ (1) | 29 km |
| Royal Flush Drain Cleaning and Sewer Repair LLC | 22 km | |
| The Drain& Sewer Co. | 17 km | |
| Underground Eye Sewer Camera | 5.0★ (1) | 13 km |
| Universal Septic Services of Wayne County | 5.0★ (1) | 36 km |
How we ranked Windsor septic service companies
We scored 90 Windsor 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 Windsor 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 Windsor: frequently asked questions
Who is the best septic service company in Windsor?
By CR Score, the highest-ranked septic service company in Windsor, ON is Universal Plumbing and Sewer with a CR Score of 60/100. It has 4.9★ from 2,503 Google reviews. It is open 24/7. Cregger Plumbing, Heating, Cooling & Electrical (#2) and Burton's Plumbing & Heating (#3) follow. We ranked 90 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Windsor?
ContractorsRanked ranks 90 septic service companies serving Windsor, ON. 4 of them are based in Windsor; the rest serve it from nearby towns. Another 20 within 40 km are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Windsor are open 24/7?
34 ranked septic service companies in Windsor post 24/7 hours. The highest-ranked are Universal Plumbing and Sewer (#1), Cregger Plumbing, Heating, Cooling & Electrical (#2) and H2O Plumbing, Sewer and Drain (#4). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Windsor work on weekends?
55 of 90 ranked septic service companies post Saturday hours and 38 post Sunday hours. The highest-ranked open Saturdays are Universal Plumbing and Sewer (#1), Cregger Plumbing, Heating, Cooling & Electrical (#2) and H2O Plumbing, Sewer and Drain (#4). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Windsor septic service companies have?
The median Google rating among 90 rated septic service companies in Windsor is 4.7★, with a median of 30 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 Windsor count in this ranking?
Yes, if they are within 40 km of the Windsor city centre, 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 Windsor
- November 2026: CR Scores recalculated for 90 septic service companies serving Windsor.
More septic service companies and Windsor pages
Septic service companies near Windsor
Other trades in Windsor
- Roofers in Windsor761 ranked
- Plumbers in Windsor592 ranked
- Electricians in Windsor459 ranked
- HVAC contractors in Windsor735 ranked
- General contractors in Windsor683 ranked
- Painters in Windsor193 ranked
- Landscapers in Windsor263 ranked
- Handymen in Windsor120 ranked
- Kitchen remodelers in Windsor390 ranked
- Bathroom remodelers in Windsor390 ranked
- Flooring contractors in Windsor389 ranked
- Tile installers in Windsor48 ranked
- Drywall contractors in Windsor24 ranked
- Concrete contractors in Windsor406 ranked
- Fence contractors in Windsor144 ranked
- Deck builders in Windsor155 ranked
- Siding contractors in Windsor336 ranked
- Window installers in Windsor336 ranked
- Gutter installers in Windsor273 ranked
- Insulation contractors in Windsor98 ranked
- Solar installers in Windsor50 ranked
- Garage door repair companies in Windsor116 ranked
- Foundation repair companies in Windsor130 ranked
- Tree services in Windsor317 ranked
- Masonry contractors in Windsor250 ranked
- Water damage restoration companies in Windsor510 ranked
- Home builders in Windsor390 ranked
- Demolition contractors in Windsor111 ranked
- Window cleaners in Windsor88 ranked
- Pressure washing companies in Windsor95 ranked
- Pest control companies in Windsor187 ranked
- Paving contractors in Windsor151 ranked
- Auto glass repair shops in Windsor226 ranked
- Excavating contractors in Windsor127 ranked
- Pool builders in Windsor135 ranked
- All contractors in Windsor