59/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 1,700 Google reviews, the most in Richmond Hill.
Best Septic Service Companies in Richmond Hill, ON (2026)
60 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Richmond Hill: Sewer Squad Plumbing, CR Score 59/100; 4.9★ from 1,700 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): CD Flood & Sewer Water Damage Cleanup, posts 24/7 hours; ranked #2 of 60.
- 6
Most-reviewed: Rooter-Man Drain & Sewer Repair Services Toronto, 570 Google reviews at 4.8★, the most of 60 ranked after Sewer Squad Plumbing; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
60 Richmond Hill septic service companies are ranked here by CR Score, from ten published factors. 36 are open 24/7, 50 open Saturdays and 44 open Sundays, based on posted hours. The median Google rating is 4.9★ across 60 rated businesses.
Top 10 septic service companies in Richmond Hill at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Sewer Squad Plumbing | 59 | 4.9★ (1,700) | Ajax, 33 km away | 24/7 | Overall |
| 2 | CD Flood & Sewer Water Damage Cleanup | 59 | 5.0★ (388) | Toronto, 23 km away | 24/7 | Emergencies |
| 3 | Sewer-Man Drains & Waterproofing | 59 | 4.6★ (26) | Toronto, 6 km away | 24/7 | — |
| 4 | Brethour Brent Septic Tank Pumping Inc | 59 | 5.0★ (456) | Uxbridge, 30 km away | Sat · Evenings | — |
| 5 | Mr. Rooter Plumbing of Richmond Hill ON | 58 | 4.8★ (332) | Aurora, 4 km away | 24/7 | — |
| 6 | Rooter-Man Drain & Sewer Repair Services Toronto | 57 | 4.8★ (570) | Etobicoke, 28 km away | 24/7 | Most reviews |
| 7 | Superior Plumbing & Heating of Caledon | 57 | 4.7★ (38) | Brampton, 23 km away | 24/7 | — |
| 8 | PipeWorks Plumbing and Drain Services | 56 | 5.0★ (12) | Pickering, 16 km away | 24/7 | — |
| 9 | Crystal Drain & Plumbing, Drain Backup, Drain Cleaning, Sewer Drain Repair Scarborough | 56 | 4.9★ (85) | Scarborough, 17 km away | 24/7 | — |
| 10 | Dr.Pipe Drain and Plumbing | 56 | 4.9★ (131) | North York, 9 km away | 24/7 | — |
The 60 best septic service companies in Richmond Hill, 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 Toronto, 23 km away
59/100CR ScoreRanked #2 because of its Google rating and review volume: 5.0★ from 388 Google reviews.
Based in Toronto, 6 km away
59/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.6★ from 26 Google reviews, listed on Google as “Septic system service”.
Based in Uxbridge, 30 km away
59/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 456 Google reviews, listed on Google as “Septic system service”.
Based in Aurora, 4 km away
58/100CR ScoreRanked #5 because of its Google rating and review volume: 4.8★ from 332 Google reviews.
Based in Etobicoke, 28 km away
57/100CR ScoreRanked #6 because of its Google rating and review volume: 4.8★ from 570 Google reviews.
Based in Brampton, 23 km away
57/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.7★ from 38 Google reviews, listed on Google as “Septic system service”.
Based in Pickering, 16 km away
56/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Septic system service”.
Based in Scarborough, 17 km away
56/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 85 Google reviews, listed on Google as “Plumber”.
Based in North York, 9 km away
56/100CR ScoreRanked #10 because of its Google rating and review volume: 4.9★ from 131 Google reviews.
Based in Concord, 10 km away
56/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Septic system service”.
Based in Mississauga, 30 km away
55/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 165 Google reviews, listed on Google as “Plumber”.
Based in Markham, 21 km away
55/100CR ScoreRanked #13 because of its Google rating and review volume: 4.7★ from 479 Google reviews.
Based in Scarborough, 16 km away
55/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Septic system service”.
Based in Toronto, 19 km away
55/100CR ScoreRanked #15 because of its Google rating and review volume: 4.8★ from 299 Google reviews.
Based in Vaughan, 10 km away
55/100CR ScoreRanked #16 because of its Google rating and review volume: 4.8★ from 145 Google reviews.
Based in Brampton, 31 km away
55/100CR ScoreRanked #17 because of its Google rating and review volume: 4.8★ from 539 Google reviews.
Based in Brampton, 12 km away
54/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Septic system service”.
Based in East Gwillimbury, 32 km away
54/100CR ScoreRanked #19 because of its Google rating and review volume: 4.8★ from 512 Google reviews.
Based in Vaughan, 12 km away
54/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “Plumber”.
Based in Scarborough, 20 km away
54/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Septic system service”.
Based in East York, 20 km away
54/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 66 Google reviews, listed on Google as “Plumber”.
Based in Richmond Hill
54/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Plumber”.
Based in Mississauga, 34 km away
54/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 76 Google reviews, listed on Google as “Plumber”.
Based in Scarborough, 18 km away
54/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Septic system service”.
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 60 ranked septic service companies here; the rest are on their profiles.
Also serving Richmond Hill
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 |
|---|---|---|
| AshCon Excavating Inc. | 5.0★ (1) | 18 km |
| CGT Grease Trap Cleaning Vaughan | 7 km | |
| Cleanflo Water Technologies | 5.0★ (1) | 13 km |
| DTEC Mechanical Waterproofing Expert | 5.0★ (1) | 14 km |
| Durham Septic Experts | 5.0★ (1) | 24 km |
| Everest Drain & Plumbing: Stouffville's Local Plumber | 5.0★ (1) | 18 km |
| Headwaters Construction | 5.0★ (1) | 30 km |
| Indian Line Septic | 5.0★ (1) | 21 km |
| J. Hoover Limited | Full Service Construction | 5.0★ (1) | 23 km |
| Max Grease Trap Cleaning Mississauga | 5.0★ (1) | 39 km |
| Milton Septic | 12 km | |
| MMM Excavation | 5.0★ (2) | In Richmond Hill |
| Muddy Men Construction | 1.5★ (2) | 30 km |
| North York sewer & drain services | 5.0★ (1) | 13 km |
| Ontario Hydrovac Group | 4.2★ (5) | In Richmond Hill |
| Plumber Richmond Hill | 5.0★ (1) | In Richmond Hill |
| Plumbing Nerds: Plumbing & Drain Services near North York, ON | 5.0★ (2) | 10 km |
| Pro Grease Trap Cleaning Toronto | 5.0★ (1) | 25 km |
| The Great Plumbing Co | 5.0★ (1) | In Richmond Hill |
| The Home Depot | 4.1★ (3,009) | In Richmond Hill |
How we ranked Richmond Hill septic service companies
We scored 60 Richmond Hill 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 Richmond Hill 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 Richmond Hill: frequently asked questions
Who is the best septic service company in Richmond Hill?
By CR Score, the highest-ranked septic service company in Richmond Hill, ON is Sewer Squad Plumbing with a CR Score of 59/100. It has 4.9★ from 1,700 Google reviews. It is open 24/7. CD Flood & Sewer Water Damage Cleanup (#2) and Sewer-Man Drains & Waterproofing (#3) follow. We ranked 60 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Richmond Hill?
ContractorsRanked ranks 60 septic service companies serving Richmond Hill, ON. 3 of them are based in Richmond Hill; 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 Richmond Hill are open 24/7?
36 ranked septic service companies in Richmond Hill post 24/7 hours. The highest-ranked are Sewer Squad Plumbing (#1), CD Flood & Sewer Water Damage Cleanup (#2) and Sewer-Man Drains & Waterproofing (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Richmond Hill work on weekends?
50 of 60 ranked septic service companies post Saturday hours and 44 post Sunday hours. The highest-ranked open Saturdays are Sewer Squad Plumbing (#1), CD Flood & Sewer Water Damage Cleanup (#2) and Sewer-Man Drains & Waterproofing (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Richmond Hill septic service companies have?
The median Google rating among 60 rated septic service companies in Richmond Hill is 4.9★, with a median of 16 reviews. Sewer Squad Plumbing has the most, 1,700 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 Richmond Hill count in this ranking?
Yes, if they are within 40 km of the Richmond Hill 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 Richmond Hill
- November 2026: CR Scores recalculated for 60 septic service companies serving Richmond Hill.
- November 2026: 1 duplicate listing merged.
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