65/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 382 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 Northbridge, MA (2026)
102 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Northbridge: JL Darling Septic Tank Pumping, CR Score 65/100; 5.0★ from 382 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): Wind River Environmental of Walpole, MA, posts 24/7 hours; ranked #3 of 102.
- 15
Most-reviewed: Wind River Environmental, 854 Google reviews at 4.9★, the most of 102 ranked; ranked #15.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
102 Northbridge septic service companies are ranked here by CR Score, from ten published factors. 32 are open 24/7, 57 open Saturdays and 38 open Sundays, based on posted hours. The median Google rating is 4.8★ across 102 rated businesses.
Top 10 septic service companies in Northbridge at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | JL Darling Septic Tank Pumping | 65 | 5.0★ (382) | Uxbridge, 8 mi away | 24/7 | Overall |
| 2 | Grant's Septic Techs | 64 | 5.0★ (590) | Worcester, 2 mi away | Sat | — |
| 3 | Wind River Environmental of Walpole, MA | 63 | 4.9★ (846) | Walpole, 20 mi away | 24/7 | Emergencies |
| 4 | DownEast Title V Inspections, LLC | 61 | 5.0★ (47) | Haverhill, 8 mi away | 24/7 | — |
| 5 | Northboro / Curtis Septic Service | 61 | 4.9★ (73) | Northborough, 12 mi away | 24/7 | — |
| 6 | ADC Septic | 60 | 4.7★ (53) | Blackstone, 10 mi away | 24/7 | — |
| 7 | Fairbank Septic Pumping LLC | 59 | 4.9★ (93) | Sudbury, 18 mi away | 24/7 | — |
| 8 | Blackstone Septic Service | 59 | 5.0★ (17) | Millbury, 6 mi away | 24/7 | — |
| 9 | Smith Septic | 58 | 5.0★ (17) | Franklin, 10 mi away | 24/7 | — |
| 10 | Home Town Pumping | 58 | 4.9★ (366) | Foxborough, 23 mi away | — | — |
The 102 best septic service companies in Northbridge, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Worcester, 2 mi away
64/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 590 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Walpole, 20 mi away
63/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 846 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Haverhill, 8 mi away
61/100CR ScoreRanked #4 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 Northborough, 12 mi away
61/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 73 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#6 ADC Septic
Based in Blackstone, 10 mi away
60/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.7★ from 53 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sudbury, 18 mi away
59/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 93 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Millbury, 6 mi away
59/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#9 Smith Septic
Based in Franklin, 10 mi away
58/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Foxborough, 23 mi away
58/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 366 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Stow, 21 mi away
58/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.7★ from 77 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Putnam, 23 mi away
58/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.8★ from 85 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Holliston, 13 mi away
57/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.5★ from 24 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Blackstone, 11 mi away
57/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.7★ from 329 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hudson, 19 mi away
57/100CR ScoreRanked #15 because of its Google rating and review volume: 4.9★ from 854 Google reviews, the most in Northbridge.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Charlton, 14 mi away
57/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 105 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Holliston, 9 mi away
57/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 98 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sutton, 5 mi away
57/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.6★ from 105 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Northbridge
56/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Charlton, 22 mi away
56/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ 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 Haverhill, 8 mi away
56/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 30 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marlborough, 17 mi away
55/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.9★ from 141 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Uxbridge, 8 mi away
55/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Charlton, 16 mi away
55/100CR 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 Framingham Center, 8 mi away
55/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.5★ from 12 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability 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 102 ranked septic service companies here; the rest are on their profiles.
Also serving Northbridge
20 more septic service companies within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| All Clean Inc | 3.0★ (2) | 23 mi |
| American Sewerage Septic Tanks | 3.0★ (2) | 14 mi |
| AW Pump Pawtucket, RI - Sewer Pump & Well Tank Installation Service | 5.0★ (2) | 23 mi |
| Beals & Sons Inc. - Construction Company | 5.0★ (1) | 11 mi |
| Blue Line Septic | 5.0★ (2) | 22 mi |
| CDM Septic & Construction | 1.0★ (1) | 10 mi |
| David Favreau Construction & Septic Services | 5.0★ (2) | 19 mi |
| G. Nichols Construction Co., Inc | 5.0★ (2) | 24 mi |
| Groundscapes Inc. | 5.0★ (2) | 12 mi |
| L H Sewerage Inc | 5.0★ (2) | 12 mi |
| M G Stanick Septic Pumping Services | 4.5★ (2) | 7 mi |
| Mark Santora PE Inc | 5.0★ (2) | 4 mi |
| P & M Asphalt Services Inc | 1.0★ (1) | 4 mi |
| R Gustafson Sewer & Drain | 3.0★ (2) | 6 mi |
| R.E Barrows Septic Service & Construction | 5.0★ (1) | 12 mi |
| Rotti Construction Co | 5.0★ (1) | 17 mi |
| Septic-Tech Inspector | 5.0★ (1) | 7 mi |
| Slims & Berthiaume Sewer Service Inc | 5.0★ (2) | 24 mi |
| Trinity Industries Corporation | 5.0★ (1) | 10 mi |
| Trufant Industries, Inc. | 5.0★ (2) | 24 mi |
How we ranked Northbridge septic service companies
We scored 102 Northbridge 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 Northbridge 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 Northbridge: frequently asked questions
Who is the best septic service company in Northbridge?
By CR Score, the highest-ranked septic service company in Northbridge, MA is JL Darling Septic Tank Pumping with a CR Score of 65/100. It has 5.0★ from 382 Google reviews. It is open 24/7. Grant's Septic Techs (#2) and Wind River Environmental of Walpole, MA (#3) follow. We ranked 102 septic service companies on ten factors, last updated November 2, 2026.
How many septic service companies are there in Northbridge?
ContractorsRanked ranks 102 septic service companies serving Northbridge, MA. 1 of them is based in Northbridge; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Northbridge are open 24/7?
32 ranked septic service companies in Northbridge post 24/7 hours. The highest-ranked are JL Darling Septic Tank Pumping (#1), Wind River Environmental of Walpole, MA (#3) and DownEast Title V Inspections, LLC (#4). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Northbridge work on weekends?
57 of 102 ranked septic service companies post Saturday hours and 38 post Sunday hours. The highest-ranked open Saturdays are JL Darling Septic Tank Pumping (#1), Grant's Septic Techs (#2) and Wind River Environmental of Walpole, MA (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Northbridge septic service companies have?
The median Google rating among 102 rated septic service companies in Northbridge is 4.8★, with a median of 17 reviews. Wind River Environmental has the most, 854 reviews, and ranks #15. 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 Northbridge count in this ranking?
Yes, if they are within 25 mi of the Northbridge city center, 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 Northbridge
- November 2026: CR Scores recalculated for 102 septic service companies serving Northbridge.
More septic service companies and Northbridge pages
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