64/100CR Score
Ranked #1 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.
Best Septic Service Companies in Ancaster, ON (2026)
58 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Ancaster: OneStop Shop Inspections, CR Score 64/100; 4.9★ from 114 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Get Pumped Septic Services Inc., posts 24/7 hours; ranked #2 of 58.
- 11
Most-reviewed: Mr. Rooter Plumbing Of Cambridge, ON, 748 Google reviews at 4.8★, the most of 58 ranked; ranked #11.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
58 Ancaster septic service companies are ranked here by CR Score, from ten published factors. 29 are open 24/7, 33 open Saturdays and 27 open Sundays, based on posted hours. The median Google rating is 4.9★ across 58 rated businesses.
Top 10 septic service companies in Ancaster at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | OneStop Shop Inspections | 64 | 4.9★ (114) | Hamilton, 3 km away | 24/7 | Overall |
| 2 | Get Pumped Septic Services Inc. | 59 | 4.7★ (35) | Toronto, 15 km away | 24/7 | Emergencies |
| 3 | CTI Home and Septic Inspection | 59 | 4.9★ (50) | Ancaster | 24/7 | — |
| 4 | TopFlow Plumbing Ancaster | 58 | 5.0★ (5) | Hamilton, 1 km away | 24/7 | — |
| 5 | Liquid Gold | 58 | 5.0★ (11) | Hamilton, 11 km away | 24/7 | — |
| 6 | Bioflow Septic Solutions | 58 | 4.9★ (49) | Hamilton, 13 km away | Sat · Evenings | — |
| 7 | B & L Sewer and Water INC | 57 | 5.0★ (54) | Hamilton, 15 km away | 24/7 | — |
| 8 | ExpressDrain | 57 | 5.0★ (6) | Hamilton, 12 km away | 24/7 | — |
| 9 | Silver Bullet Septic Services Inc. | 57 | 4.9★ (50) | Hamilton, 18 km away | Sat · Evenings | — |
| 10 | Allan House Jr. Septic Tank Service | 57 | 4.5★ (23) | Brantford, 24 km away | 24/7 | — |
The 58 best septic service companies in Ancaster, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Toronto, 15 km away
59/100CR ScoreRanked #2 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 Ancaster
59/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 50 Google reviews, listed on Google as “Building inspector”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hamilton, 1 km away
58/100CR ScoreRanked #4 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.
#5 Liquid Gold
Based in Hamilton, 11 km away
58/100CR ScoreRanked #5 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 Hamilton, 13 km away
58/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 49 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hamilton, 15 km away
57/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 54 Google reviews, listed on Google as “Utility contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#8 ExpressDrain
Based in Hamilton, 12 km away
57/100CR ScoreRanked #8 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 Hamilton, 18 km away
57/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 50 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brantford, 24 km away
57/100CR 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 Cambridge, 31 km away
57/100CR ScoreRanked #11 because of its Google rating and review volume: 4.8★ from 748 Google reviews, the most in Ancaster.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Burlington, 6 km away
56/100CR ScoreRanked #12 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.
Based in Binbrook, 18 km away
56/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Cambridge, 27 km away
56/100CR ScoreRanked #14 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 Norfolk County, 24 km away
56/100CR ScoreRanked #15 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 Hamilton, 21 km away
56/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 46 Google reviews, listed on Google as “Drainage service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hamilton, 15 km away
55/100CR 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 8 of 10 factors; credentials and recency not yet collected.
Based in Hamilton, 10 km away
55/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.8★ from 10 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Burlington, 25 km away
55/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.8★ from 56 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Amherstburg, 23 km away
55/100CR ScoreRanked #20 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.
Based in Hamilton, 14 km away
54/100CR ScoreRanked #21 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 Brant, 26 km away
54/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#23 Alpha Ex
Based in Hamilton, 10 km away
54/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.5★ from 33 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Milton, 34 km away
54/100CR ScoreRanked #24 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, 14 km away
54/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Septic system service”.
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 58 ranked septic service companies here; the rest are on their profiles.
Also serving Ancaster
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. | 28 km | |
| Advanced Wastewater and Excavating Solutions | 5.0★ (1) | 10 km |
| Brant Contracting | 5.0★ (2) | 29 km |
| Canvac Trucks - Canadian Vacuum Trucks & Equipment | 17 km | |
| Cation Excavating Limited | 5.0★ (2) | 36 km |
| Doug Campbell Construction | 5.0★ (2) | 17 km |
| Dynamic Plastic Solutions Inc. | 5.0★ (2) | 34 km |
| Everest Drain & Plumbing: Hamilton's Local Plumber | 10 km | |
| Exterra Excavating | 5.0★ (5) | In Ancaster |
| Guelph Septic Repair & Installation | 5.0★ (1) | 38 km |
| Mahoney Excavating and Grading | 5.0★ (1) | 14 km |
| PipePulse Plumbers Milton | 35 km | |
| Plumber Brant | 33 km | |
| Rankin's Septic Tank Pumping | 5.0★ (2) | 15 km |
| Rayner Septic | 6 km | |
| Rooter-Man Plumbing & Waterproofing Brantford | 5.0★ (2) | 22 km |
| Sewer Squad Plumbing | 5.0★ (2) | 12 km |
| Sunset Septics | 9 km | |
| Titan Excavating and septic | 5.0★ (1) | 38 km |
| Underground Contractors | 5.0★ (2) | 36 km |
How we ranked Ancaster septic service companies
We scored 58 Ancaster 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 Ancaster 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 Ancaster: frequently asked questions
Who is the best septic service company in Ancaster?
By CR Score, the highest-ranked septic service company in Ancaster, ON is OneStop Shop Inspections with a CR Score of 64/100. It has 4.9★ from 114 Google reviews. It is open 24/7. Get Pumped Septic Services Inc. (#2) and CTI Home and Septic Inspection (#3) follow. We ranked 58 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Ancaster?
ContractorsRanked ranks 58 septic service companies serving Ancaster, ON. 2 of them are based in Ancaster; 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 Ancaster are open 24/7?
29 ranked septic service companies in Ancaster post 24/7 hours. The highest-ranked are OneStop Shop Inspections (#1), Get Pumped Septic Services Inc. (#2) and CTI Home and Septic Inspection (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Ancaster work on weekends?
33 of 58 ranked septic service companies post Saturday hours and 27 post Sunday hours. The highest-ranked open Saturdays are OneStop Shop Inspections (#1), Get Pumped Septic Services Inc. (#2) and CTI Home and Septic Inspection (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Ancaster septic service companies have?
The median Google rating among 58 rated septic service companies in Ancaster is 4.9★, with a median of 25 reviews. Mr. Rooter Plumbing Of Cambridge, ON has the most, 748 reviews, and ranks #11. 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 Ancaster count in this ranking?
Yes, if they are within 40 km of the Ancaster 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 Ancaster
- November 2026: CR Scores recalculated for 58 septic service companies serving Ancaster.
More septic service companies and Ancaster pages
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