63/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.8★ from 48 Google reviews, listed on Google as “Septic system service”.
Best Septic Service Companies in Mississauga, ON (2026)
59 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Mississauga: CANADIAN PLUMBING SOLUTIONS, CR Score 63/100; 4.8★ from 48 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Crystal Drain & Plumbing, Drain Backup, Drain Cleaning, Sewer Drain Repair, posts 24/7 hours; ranked #2 of 59.
- 4
Most-reviewed: Rooter-Man Drain & Sewer Repair Services Toronto, 570 Google reviews at 4.8★, the most of 59 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
59 Mississauga septic service companies are ranked here by CR Score, from ten published factors. 40 are open 24/7, 50 open Saturdays and 46 open Sundays, based on posted hours. The median Google rating is 4.9★ across 59 rated businesses.
Top 10 septic service companies in Mississauga at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | CANADIAN PLUMBING SOLUTIONS | 63 | 4.8★ (48) | Mississauga | 24/7 | Overall |
| 2 | Crystal Drain & Plumbing, Drain Backup, Drain Cleaning, Sewer Drain Repair | 62 | 4.9★ (165) | Mississauga | 24/7 | Emergencies |
| 3 | Hy-Pro Plumbing & Drain Cleaning of Georgetown | 62 | 4.8★ (189) | Brampton, 25 km away | 24/7 | — |
| 4 | Rooter-Man Drain & Sewer Repair Services Toronto | 62 | 4.8★ (570) | Etobicoke, 15 km away | 24/7 | Most reviews |
| 5 | Pryde Drain & Plumbing 🪠 Drain Backup, Drain Cleaning, Sewer Drain Repair | 61 | 5.0★ (76) | Mississauga | 24/7 | — |
| 6 | CD Flood & Sewer Water Damage Cleanup | 60 | 5.0★ (388) | Toronto, 24 km away | 24/7 | — |
| 7 | Precise Plumbing & Drain Services | 60 | 4.8★ (274) | Mississauga | 24/7 | — |
| 8 | Mr. Rooter Plumbing of Brampton ON | 58 | 4.8★ (539) | Brampton, 18 km away | 24/7 | — |
| 9 | Superior Plumbing & Heating of Caledon | 57 | 4.7★ (38) | Brampton, 32 km away | 24/7 | — |
| 10 | Rooter-Man Plumbing & Waterproofing Oakville | 57 | 4.7★ (178) | Oakville, 10 km away | 24/7 | — |
The 59 best septic service companies in Mississauga, 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 Mississauga
62/100CR ScoreRanked #2 because of its Google rating and review volume: 4.9★ from 165 Google reviews.
Based in Brampton, 25 km away
62/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.8★ from 189 Google reviews, listed on Google as “Septic system service”.
Based in Etobicoke, 15 km away
62/100CR ScoreRanked #4 because of its Google rating and review volume: 4.8★ from 570 Google reviews, the most in Mississauga.
Based in Mississauga
61/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 76 Google reviews, listed on Google as “Plumber”.
Based in Toronto, 24 km away
60/100CR ScoreRanked #6 because of its Google rating and review volume: 5.0★ from 388 Google reviews.
Based in Mississauga
60/100CR ScoreRanked #7 because of its Google rating and review volume: 4.8★ from 274 Google reviews.
Based in Brampton, 18 km away
58/100CR ScoreRanked #8 because of its Google rating and review volume: 4.8★ from 539 Google reviews.
Based in Brampton, 32 km away
57/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.7★ from 38 Google reviews, listed on Google as “Septic system service”.
Based in Oakville, 10 km away
57/100CR ScoreRanked #10 because of its Google rating and review volume: 4.7★ from 178 Google reviews.
Based in Oakville, 14 km away
57/100CR ScoreRanked #11 because of its Google rating and review volume: 5.0★ from 115 Google reviews.
Based in Etobicoke, 13 km away
57/100CR ScoreRanked #12 because of its Google rating and review volume: 4.8★ from 155 Google reviews.
Based in Toronto, 33 km away
57/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.7★ from 35 Google reviews, listed on Google as “Septic system service”.
Based in Toronto, 9 km away
57/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Septic system service”.
Based in Toronto, 31 km away
56/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.6★ from 26 Google reviews, listed on Google as “Septic system service”.
Based in Ancaster, 21 km away
56/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 50 Google reviews, listed on Google as “Building inspector”.
Based in Milton, 24 km away
56/100CR ScoreRanked #17 because of its Google rating and review volume: 4.8★ from 225 Google reviews.
Based in Burlington, 23 km away
56/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.8★ from 56 Google reviews, listed on Google as “Plumber”.
Based in Toronto, 28 km away
56/100CR ScoreRanked #19 because of its Google rating and review volume: 4.8★ from 299 Google reviews.
Based in Burlington, 15 km away
55/100CR ScoreRanked #20 because of its Google rating and review volume: 4.7★ from 79 Google reviews.
Based in Brampton, 13 km away
55/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Septic system service”.
Based in Concord, 27 km away
55/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Septic system service”.
Based in Scarborough, 38 km away
55/100CR ScoreRanked #23 because of its Google rating and review volume: 4.9★ from 85 Google reviews.
Based in Mississauga
55/100CR ScoreRanked #24 because of its Google rating and availability: 5.0★ from 14 Google reviews, open 24/7.
#25 Liquid Gold
Based in Hamilton, 37 km away
55/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 11 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 59 ranked septic service companies here; the rest are on their profiles.
Also serving Mississauga
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 & A Skok Excavating | 5.0★ (2) | 25 km |
| Cation Excavating Limited | 5.0★ (2) | 22 km |
| DTEC Mechanical Waterproofing Expert | 5.0★ (1) | 24 km |
| Dynamic Plastic Solutions Inc. | 5.0★ (2) | 22 km |
| Headwaters Construction | 5.0★ (1) | 31 km |
| INCRO Ltd INCRO Mechanical | 1.0★ (1) | In Mississauga |
| Indian Line Septic | 5.0★ (1) | 32 km |
| Max Grease Trap Cleaning Mississauga | 5.0★ (1) | In Mississauga |
| North York sewer & drain services | 5.0★ (1) | 26 km |
| Plumbing Nerds: Plumbing & Drain Services near North York, ON | 5.0★ (2) | 28 km |
| Pro Grease Trap Cleaning Toronto | 5.0★ (1) | 23 km |
| Rankin's Septic Tank Pumping | 5.0★ (2) | 33 km |
| Red Otter Plumbing & Heating | 5.0★ (4) | In Mississauga |
| Septic System Cost | In Mississauga | |
| Sewer Squad Plumbing | 5.0★ (2) | 39 km |
| Solid Seal Plumbing | 5.0★ (102) | In Mississauga |
| Solid Seal Plumbing | 5.0★ (92) | In Mississauga |
| Solid Seal Plumbing Mississauga | 4.9★ (81) | In Mississauga |
| TrueFlow Plumbing Mississauga | 5.0★ (76) | In Mississauga |
| VHP Services Inc | 5.0★ (30) | In Mississauga |
How we ranked Mississauga septic service companies
We scored 59 Mississauga 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 Mississauga 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 Mississauga: frequently asked questions
Who is the best septic service company in Mississauga?
By CR Score, the highest-ranked septic service company in Mississauga, ON is CANADIAN PLUMBING SOLUTIONS with a CR Score of 63/100. It has 4.8★ from 48 Google reviews. It is open 24/7. Crystal Drain & Plumbing, Drain Backup, Drain Cleaning, Sewer Drain Repair (#2) and Hy-Pro Plumbing & Drain Cleaning of Georgetown (#3) follow. We ranked 59 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Mississauga?
ContractorsRanked ranks 59 septic service companies serving Mississauga, ON. 5 of them are based in Mississauga; 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 Mississauga are open 24/7?
40 ranked septic service companies in Mississauga post 24/7 hours. The highest-ranked are CANADIAN PLUMBING SOLUTIONS (#1), Crystal Drain & Plumbing, Drain Backup, Drain Cleaning, Sewer Drain Repair (#2) and Hy-Pro Plumbing & Drain Cleaning of Georgetown (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Mississauga work on weekends?
50 of 59 ranked septic service companies post Saturday hours and 46 post Sunday hours. The highest-ranked open Saturdays are CANADIAN PLUMBING SOLUTIONS (#1), Crystal Drain & Plumbing, Drain Backup, Drain Cleaning, Sewer Drain Repair (#2) and Hy-Pro Plumbing & Drain Cleaning of Georgetown (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Mississauga septic service companies have?
The median Google rating among 59 rated septic service companies in Mississauga is 4.9★, with a median of 36 reviews. Rooter-Man Drain & Sewer Repair Services Toronto has the most, 570 reviews, and ranks #4. 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 Mississauga count in this ranking?
Yes, if they are within 40 km of the Mississauga 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 Mississauga
- November 2026: CR Scores recalculated for 59 septic service companies serving Mississauga.
More septic service companies and Mississauga pages
Septic service companies near Mississauga
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