59/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.7★ from 15 Google reviews, listed on Google as “Septic system service”.
Best Septic Service Companies in Collingwood, ON (2026)
16 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Collingwood: District Septic Tank Service, CR Score 59/100; 4.7★ from 15 Google reviews.
- 2
Best for emergencies (open 24/7): Innisfil Disposal, posts 24/7 hours; ranked #2 of 16.
- 4
Most-reviewed: JAM Contracting Corp, 37 Google reviews at 4.9★, the most of 16 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
16 Collingwood septic service companies are ranked here by CR Score, from ten published factors. 2 are open 24/7, 5 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 5.0★ across 16 rated businesses.
Top 10 septic service companies in Collingwood at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | District Septic Tank Service | 59 | 4.7★ (15) | Collingwood | — | Overall |
| 2 | Innisfil Disposal | 59 | 4.9★ (16) | Barrie, 36 km away | 24/7 | Emergencies |
| 3 | Stonehaven Construction & Septics | 58 | 5.0★ (12) | Collingwood | — | — |
| 4 | JAM Contracting Corp | 58 | 4.9★ (37) | Collingwood | Sat | Most reviews |
| 5 | Regional Sanitation | 57 | 5.0★ (34) | Midland, 34 km away | — | — |
| 6 | Porter Plumbing & Sewer Services | 56 | 5.0★ (14) | Barrie, 31 km away | 24/7 | — |
| 7 | Barrette's Portable Toilets | 54 | 3.0★ (4) | Collingwood | — | — |
| 8 | Darren Neil And Sons Excavating Inc. | 53 | 4.5★ (17) | Collingwood | — | — |
| 9 | Northern Shores Landscaping | 51 | 5.0★ (11) | Midland, 19 km away | Sat · Evenings | — |
| 10 | Clearlite Electric | 51 | 3.8★ (11) | Collingwood | — | — |
The 16 best septic service companies in Collingwood, 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 Barrie, 36 km away
59/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 16 Google reviews, listed on Google as “Septic system service”.
Based in Collingwood
58/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Septic system service”.
Based in Collingwood
58/100CR ScoreRanked #4 because of its Google rating and review volume: 4.9★ from 37 Google reviews, the most in Collingwood.
Based in Midland, 34 km away
57/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “Septic system service”.
Based in Barrie, 31 km away
56/100CR ScoreRanked #6 because of its Google rating and review volume: 5.0★ from 14 Google reviews.
Based in Collingwood
54/100CR ScoreRanked #7 because of its Google rating and trade focus: 3.0★ from 4 Google reviews, listed on Google as “Septic system service”.
Based in Collingwood
53/100CR ScoreRanked #8 because of its Google rating and review volume: 4.5★ from 17 Google reviews.
Based in Midland, 19 km away
51/100CR ScoreRanked #9 because of its Google rating and review volume: 5.0★ from 11 Google reviews.
Based in Collingwood
51/100CR ScoreRanked #10 because of its Google rating and review volume: 3.8★ from 11 Google reviews.
Based in Midland, 37 km away
50/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Septic system service”.
Based in East Gwillimbury, 38 km away
50/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Septic system service”.
Based in Collingwood
50/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Excavating contractor”.
Based in Vaughan, 37 km away
49/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Septic system service”.
Based in Midland, 40 km away
48/100CR ScoreRanked #15 because of its Google rating and review volume: 4.5★ from 25 Google reviews.
Based in Innisfil, 29 km away
47/100CR ScoreRanked #16 because of its Google rating and review volume: 4.0★ from 15 Google reviews.
Also serving Collingwood
4 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 + Landscape Design and Construction | 36 km | |
| Cy gignac & sons excavation and septic | 5.0★ (1) | 37 km |
| Ground Level Contracting | 38 km | |
| Morden Onsite Septic | 40 km |
How we ranked Collingwood septic service companies
We scored 16 Collingwood 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 Collingwood 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 Collingwood: frequently asked questions
Who is the best septic service company in Collingwood?
By CR Score, the highest-ranked septic service company in Collingwood, ON is District Septic Tank Service with a CR Score of 59/100. It has 4.7★ from 15 Google reviews. Innisfil Disposal (#2) and Stonehaven Construction & Septics (#3) follow. We ranked 16 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Collingwood?
ContractorsRanked ranks 16 septic service companies serving Collingwood, ON. 7 of them are based in Collingwood; the rest serve it from nearby towns. Another 4 within 40 km are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Collingwood are open 24/7?
2 ranked septic service companies in Collingwood post 24/7 hours. The highest-ranked are Innisfil Disposal (#2) and Porter Plumbing & Sewer Services (#6). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Collingwood work on weekends?
5 of 16 ranked septic service companies post Saturday hours and 2 post Sunday hours. The highest-ranked open Saturdays are Innisfil Disposal (#2), JAM Contracting Corp (#4) and Porter Plumbing & Sewer Services (#6). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Collingwood septic service companies have?
The median Google rating among 16 rated septic service companies in Collingwood is 5.0★, with a median of 13 reviews. JAM Contracting Corp has the most, 37 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 Collingwood count in this ranking?
Yes, if they are within 40 km of the Collingwood 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 Collingwood
- November 2026: CR Scores recalculated for 16 septic service companies serving Collingwood.
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