61/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.8★ from 19 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 North Cowichan, BC (2026)
24 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in North Cowichan: Shoreline Septic, CR Score 61/100; 4.8★ from 19 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Baker Plumbing & Renovations, posts 24/7 hours; ranked #2 of 24.
- 2
Most-reviewed: Baker Plumbing & Renovations, 185 Google reviews at 4.7★, the most of 24 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
24 North Cowichan septic service companies are ranked here by CR Score, from ten published factors. 6 are open 24/7, 11 open Saturdays and 8 open Sundays, based on posted hours. The median Google rating is 4.8★ across 24 rated businesses.
Top 10 septic service companies in North Cowichan at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Shoreline Septic | 61 | 4.8★ (19) | North Cowichan | 24/7 | Overall |
| 2 | Baker Plumbing & Renovations | 59 | 4.7★ (185) | Duncan, 7 km away | 24/7 | Emergencies, Most reviews |
| 3 | Mike's Septic and Environmental Services Ltd | 58 | 5.0★ (4) | North Cowichan | 24/7 | — |
| 4 | All Out Septic, gulf islands | 58 | 4.8★ (10) | Salt Spring Island, 14 km away | 24/7 | — |
| 5 | Vortech Plumbing & Drainage Inc | 58 | 4.6★ (115) | Duncan, 9 km away | 24/7 | — |
| 6 | NEWater Septic Cowichan | 57 | 5.0★ (3) | North Cowichan | 24/7 | — |
| 7 | Affordable Septic Cowichan Valley | 57 | 5.0★ (9) | Duncan, 7 km away | Sat · Sun · Evenings | — |
| 8 | True Water Septic Limited | 57 | 5.0★ (47) | Victoria, 25 km away | Sat | — |
| 9 | Mike's Septic and Environmental Services Ltd. | 57 | 5.0★ (23) | North Cowichan | — | — |
| 10 | Western Wastewater Systems | 56 | 4.7★ (26) | Victoria, 21 km away | Sat | — |
The 24 best septic service companies in North Cowichan, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Duncan, 7 km away
59/100CR ScoreRanked #2 because of its Google rating and review volume: 4.7★ from 185 Google reviews, the most in North Cowichan.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in North Cowichan
58/100CR ScoreRanked #3 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 Salt Spring Island, 14 km away
58/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 10 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Duncan, 9 km away
58/100CR ScoreRanked #5 because of its Google rating and review volume: 4.6★ from 115 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in North Cowichan
57/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Duncan, 7 km away
57/100CR ScoreRanked #7 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 Victoria, 25 km away
57/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 47 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in North Cowichan
57/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ 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 Victoria, 21 km away
56/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.7★ from 26 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Nanaimo, 34 km away
55/100CR 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 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Duncan, 9 km away
54/100CR ScoreRanked #12 because of its Google rating and trade focus: 3.7★ from 63 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Duncan, 12 km away
54/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.8★ from 6 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Duncan, 4 km away
53/100CR ScoreRanked #14 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 Salt Spring Island, 15 km away
53/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.8★ from 5 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Ladysmith, 28 km away
53/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.4★ from 14 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Nanaimo, 28 km away
53/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#18 SK Septics Ltd
Based in Duncan, 6 km away
51/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#19 Drain Dr. 2025
Based in Nanaimo, 33 km away
51/100CR ScoreRanked #19 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.
Based in Duncan, 7 km away
49/100CR ScoreRanked #20 because of its Google rating and review volume: 4.6★ from 19 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Nanaimo, 39 km away
48/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.7★ from 3 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Nanaimo, 40 km away
46/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Demolition contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Salt Spring Island, 30 km away
43/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.5★ from 8 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Nanaimo, 29 km away
43/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.4★ from 9 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Also serving North Cowichan
8 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 |
|---|---|---|
| Ace Bobcat Ltd | In North Cowichan | |
| BC underground inc | 29 km | |
| Beals Septic | In North Cowichan | |
| Big Digem Excavating Ltd | 5.0★ (1) | 29 km |
| CLS Tractor Service | 3.0★ (2) | 1 km |
| Columbia Septic & Treatment | In North Cowichan | |
| New Water Septic | 6 km | |
| SP Pump & Tanks - Septic Tank Services | 5.0★ (2) | 39 km |
How we ranked North Cowichan septic service companies
We scored 24 North Cowichan 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 2, 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 North Cowichan 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 North Cowichan: frequently asked questions
Who is the best septic service company in North Cowichan?
By CR Score, the highest-ranked septic service company in North Cowichan, BC is Shoreline Septic with a CR Score of 61/100. It has 4.8★ from 19 Google reviews. It is open 24/7. Baker Plumbing & Renovations (#2) and Mike's Septic and Environmental Services Ltd (#3) follow. We ranked 24 septic service companies on ten factors, last updated November 2, 2026.
How many septic service companies are there in North Cowichan?
ContractorsRanked ranks 24 septic service companies serving North Cowichan, BC. 4 of them are based in North Cowichan; the rest serve it from nearby towns. Another 8 within 40 km are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in North Cowichan are open 24/7?
6 ranked septic service companies in North Cowichan post 24/7 hours. The highest-ranked are Shoreline Septic (#1), Baker Plumbing & Renovations (#2) and Mike's Septic and Environmental Services Ltd (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in North Cowichan work on weekends?
11 of 24 ranked septic service companies post Saturday hours and 8 post Sunday hours. The highest-ranked open Saturdays are Shoreline Septic (#1), Baker Plumbing & Renovations (#2) and Mike's Septic and Environmental Services Ltd (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do North Cowichan septic service companies have?
The median Google rating among 24 rated septic service companies in North Cowichan is 4.8★, with a median of 12 reviews. Baker Plumbing & Renovations has the most, 185 reviews, and ranks #2. 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 North Cowichan count in this ranking?
Yes, if they are within 40 km of the North Cowichan 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 North Cowichan
- November 2026: CR Scores recalculated for 24 septic service companies serving North Cowichan.
More septic service companies and North Cowichan pages
Septic service companies near North Cowichan
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