61/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 748 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Cambridge, 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 Cambridge: Mr. Rooter Plumbing Of Cambridge, ON, CR Score 61/100; 4.8★ from 748 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Weber Environmental Services, posts 24/7 hours; ranked #2 of 59.
- 5
Most-reviewed: Mr. Rooter Plumbing Of Kitchener ON, 878 Google reviews at 4.7★, the most of 59 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
59 Cambridge septic service companies are ranked here by CR Score, from ten published factors. 25 are open 24/7, 27 open Saturdays and 25 open Sundays, based on posted hours. The median Google rating is 4.8★ across 59 rated businesses.
Top 10 septic service companies in Cambridge at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Mr. Rooter Plumbing Of Cambridge, ON | 61 | 4.8★ (748) | Cambridge | 24/7 | Overall |
| 2 | Weber Environmental Services | 60 | 4.6★ (96) | Kitchener, 16 km away | 24/7 | Emergencies |
| 3 | Hy-Pro Plumbing & Drain Cleaning of Cambridge | 60 | 4.8★ (368) | Cambridge | 24/7 | — |
| 4 | OneStop Shop Inspections | 59 | 4.9★ (114) | Hamilton, 34 km away | 24/7 | — |
| 5 | Mr. Rooter Plumbing Of Kitchener ON | 59 | 4.7★ (878) | Kitchener, 13 km away | 24/7 | Most reviews |
| 6 | Hy-Pro Plumbing & Drain Cleaning of Kitchener & Waterloo | 57 | 4.8★ (457) | Kitchener, 18 km away | 24/7 | — |
| 7 | Gibson Septic Service | 57 | 4.9★ (43) | Norfolk County, 33 km away | 24/7 | — |
| 8 | Hy-Pro Plumbing & Drain Cleaning of Guelph | 57 | 4.7★ (568) | Guelph, 20 km away | 24/7 | — |
| 9 | Campbell Septic | 56 | 4.9★ (17) | Cambridge | 24/7 | — |
| 10 | Allan House Jr. Septic Tank Service | 56 | 4.5★ (23) | Brantford, 23 km away | 24/7 | — |
The 59 best septic service companies in Cambridge, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Kitchener, 16 km away
60/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.6★ from 96 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cambridge
60/100CR ScoreRanked #3 because of its Google rating and review volume: 4.8★ from 368 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hamilton, 34 km away
59/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 114 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kitchener, 13 km away
59/100CR ScoreRanked #5 because of its Google rating and review volume: 4.7★ from 878 Google reviews, the most in Cambridge.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kitchener, 18 km away
57/100CR ScoreRanked #6 because of its Google rating and review volume: 4.8★ from 457 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Norfolk County, 33 km away
57/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 43 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Guelph, 20 km away
57/100CR ScoreRanked #8 because of its Google rating and review volume: 4.7★ from 568 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cambridge
56/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 17 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brantford, 23 km away
56/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.5★ from 23 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Toronto, 34 km away
56/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.7★ from 35 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kitchener, 13 km away
56/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 64 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Norfolk County, 23 km away
55/100CR ScoreRanked #13 because of its Google rating and review volume: 4.6★ from 500 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Guelph, 17 km away
55/100CR ScoreRanked #14 because of its Google rating and review volume: 4.7★ from 170 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
#15 Liquid Gold
Based in Hamilton, 32 km away
54/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ 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 Paris, 19 km away
54/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.5★ from 19 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hamilton, 17 km away
54/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Milton, 35 km away
53/100CR ScoreRanked #18 because of its Google rating and review volume: 4.8★ from 225 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hamilton, 31 km away
53/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Milton, 37 km away
53/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Amherstburg, 33 km away
53/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.8★ from 39 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#22 CP Septic Repair
Based in Cambridge
53/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kitchener, 19 km away
52/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#24 ExpressDrain
Based in Hamilton, 40 km away
52/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Burlington, 33 km away
52/100CR ScoreRanked #25 because of its Google rating and review volume: 4.8★ from 89 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
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 Cambridge
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 |
|---|---|---|
| Advanced Excavating Corp. | 15 km | |
| Advanced Wastewater and Excavating Solutions | 5.0★ (1) | 31 km |
| Af Terpstra Limited | 5.0★ (1) | 26 km |
| Bergmann North America Inc. (BNA) | 5.0★ (2) | 13 km |
| Brant Contracting | 5.0★ (2) | 30 km |
| C O Construction | In Cambridge | |
| Caledon Excavation and Grading | 5.0★ (1) | 25 km |
| Cation Excavating Limited | 5.0★ (2) | 37 km |
| Doug Campbell Construction | 5.0★ (2) | 26 km |
| Dynamic Plastic Solutions Inc. | 5.0★ (2) | 37 km |
| Guelph Septic Repair & Installation | 5.0★ (1) | 19 km |
| Huber Excavating & Septic Installation | 5.0★ (2) | 19 km |
| Mahoney Excavating and Grading | 5.0★ (1) | 17 km |
| Rankin's Septic Tank Pumping | 5.0★ (2) | 36 km |
| Rekare Excavating & Trucking Inc. | 5.0★ (10) | In Cambridge |
| Rooter-Man Plumbing & Waterproofing Brantford | 5.0★ (2) | 20 km |
| Sayles Les Septic Tank Service | 17 km | |
| Sewer Squad Plumbing | 5.0★ (2) | 39 km |
| Terra Novus Excavating | 5.0★ (2) | 33 km |
| Underground Contractors | 5.0★ (2) | 9 km |
How we ranked Cambridge septic service companies
We scored 59 Cambridge 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 Cambridge 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 Cambridge: frequently asked questions
Who is the best septic service company in Cambridge?
By CR Score, the highest-ranked septic service company in Cambridge, ON is Mr. Rooter Plumbing Of Cambridge, ON with a CR Score of 61/100. It has 4.8★ from 748 Google reviews. It is open 24/7. Weber Environmental Services (#2) and Hy-Pro Plumbing & Drain Cleaning of Cambridge (#3) follow. We ranked 59 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Cambridge?
ContractorsRanked ranks 59 septic service companies serving Cambridge, ON. 6 of them are based in Cambridge; 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 Cambridge are open 24/7?
25 ranked septic service companies in Cambridge post 24/7 hours. The highest-ranked are Mr. Rooter Plumbing Of Cambridge, ON (#1), Weber Environmental Services (#2) and Hy-Pro Plumbing & Drain Cleaning of Cambridge (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Cambridge work on weekends?
27 of 59 ranked septic service companies post Saturday hours and 25 post Sunday hours. The highest-ranked open Saturdays are Mr. Rooter Plumbing Of Cambridge, ON (#1), Weber Environmental Services (#2) and Hy-Pro Plumbing & Drain Cleaning of Cambridge (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Cambridge septic service companies have?
The median Google rating among 59 rated septic service companies in Cambridge is 4.8★, with a median of 16 reviews. Mr. Rooter Plumbing Of Kitchener ON has the most, 878 reviews, and ranks #5. 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 Cambridge count in this ranking?
Yes, if they are within 40 km of the Cambridge 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 Cambridge
- November 2026: CR Scores recalculated for 59 septic service companies serving Cambridge.
More septic service companies and Cambridge pages
Septic service companies near Cambridge
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