64/100CR Score
Ranked #1 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.
Best Septic Service Companies in Sudbury, MA (2026)
112 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Sudbury: Fairbank Septic Pumping LLC, CR Score 64/100; 4.9★ from 93 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Wind River Environmental of Walpole, MA, posts 24/7 hours; ranked #2 of 112.
- 41
Most-reviewed: New Era Plumbing & HVAC, 1,003 Google reviews at 4.9★, the most of 112 ranked; ranked #41.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
112 Sudbury septic service companies are ranked here by CR Score, from ten published factors. 39 are open 24/7, 62 open Saturdays and 44 open Sundays, based on posted hours. The median Google rating is 4.9★ across 112 rated businesses.
Top 10 septic service companies in Sudbury at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Fairbank Septic Pumping LLC | 64 | 4.9★ (93) | Sudbury | 24/7 | Overall |
| 2 | Wind River Environmental of Walpole, MA | 63 | 4.9★ (846) | Walpole, 19 mi away | 24/7 | Emergencies |
| 3 | Curtis Septic Service | 61 | 4.7★ (77) | Stow, 5 mi away | 24/7 | — |
| 4 | Northboro / Curtis Septic Service | 60 | 4.9★ (73) | Northborough, 12 mi away | 24/7 | — |
| 5 | John's Sewer & Drain Cleaning | 60 | 4.9★ (796) | Woburn, 16 mi away | 24/7 | — |
| 6 | Woburn Drains & Sewer | 60 | 4.8★ (32) | Boston, 6 mi away | 24/7 | — |
| 7 | Grant's Septic Techs | 60 | 5.0★ (590) | Worcester, 18 mi away | Sat | — |
| 8 | Rhino Rooter | 59 | 5.0★ (25) | Boston, 12 mi away | 24/7 | — |
| 9 | Curtis Septic | 58 | 5.0★ (21) | Leominster, 12 mi away | 24/7 | — |
| 10 | Wind River Environmental of Acton, MA | 58 | 4.8★ (290) | Acton, 5 mi away | 24/7 | — |
The 112 best septic service companies in Sudbury, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Walpole, 19 mi away
63/100CR ScoreRanked #2 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 Stow, 5 mi away
61/100CR ScoreRanked #3 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 Northborough, 12 mi away
60/100CR ScoreRanked #4 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.
Based in Woburn, 16 mi away
60/100CR ScoreRanked #5 because of its Google rating and review volume: 4.9★ from 796 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Boston, 6 mi away
60/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.8★ from 32 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Worcester, 18 mi away
60/100CR ScoreRanked #7 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.
#8 Rhino Rooter
Based in Boston, 12 mi away
59/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Leominster, 12 mi away
58/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Acton, 5 mi away
58/100CR ScoreRanked #10 because of its Google rating and review volume: 4.8★ from 290 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
#11 Smith Septic
Based in Franklin, 11 mi away
58/100CR ScoreRanked #11 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 Holliston, 11 mi away
58/100CR ScoreRanked #12 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 Sudbury
58/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.4★ from 12 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#14 Waste Warriors
Based in South Boston, 15 mi away
58/100CR ScoreRanked #14 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 Foxborough, 24 mi away
58/100CR ScoreRanked #15 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.
#16 Wayne's Drains
Based in Burlington, 14 mi away
57/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.3★ from 59 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Arlington, 23 mi away
57/100CR ScoreRanked #17 because of its Google rating and review volume: 4.9★ from 493 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
#18 R M Ratta Corp
Based in Fitchburg, 14 mi away
57/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.9★ from 204 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marlborough, 12 mi away
57/100CR ScoreRanked #19 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 South Boston, 19 mi away
56/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 42 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#21 Sewer Bros.
Based in Andover, 22 mi away
56/100CR ScoreRanked #21 because of its Google rating and review volume: 5.0★ from 172 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hudson, 25 mi away
55/100CR ScoreRanked #22 because of its Google rating and review volume: 4.9★ from 854 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Westford, 12 mi away
55/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.4★ from 20 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fitchburg, 5 mi away
55/100CR ScoreRanked #24 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 Holliston, 16 mi away
55/100CR ScoreRanked #25 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.
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 112 ranked septic service companies here; the rest are on their profiles.
Also serving Sudbury
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 |
|---|---|---|
| ABC Plumbing Drain Sewer Clng | 5.0★ (1) | 14 mi |
| Beals & Sons Inc. - Construction Company | 5.0★ (1) | 13 mi |
| Borough Sewer Services | 4.0★ (1) | 19 mi |
| Cutler Contracting, Inc. | 5.0★ (1) | 1 mi |
| David Favreau Construction & Septic Services | 5.0★ (2) | 16 mi |
| E A Comeau Septic | 5.0★ (1) | 4 mi |
| Eveready Pumping Service | In Sudbury | |
| G. Nichols Construction Co., Inc | 5.0★ (2) | 6 mi |
| JPAC Enterprises, LLC | 5.0★ (1) | 18 mi |
| Land Engineering & Envrmntl | 5.0★ (2) | 19 mi |
| Mark Santora PE Inc | 5.0★ (2) | 19 mi |
| Medford Sewer Shop | 5.0★ (1) | 16 mi |
| NorthEast Classic Builders | 1.0★ (1) | 6 mi |
| R Gustafson Sewer & Drain | 3.0★ (2) | 21 mi |
| R.E Barrows Septic Service & Construction | 5.0★ (1) | 21 mi |
| Rotti Construction Co | 5.0★ (1) | 18 mi |
| Septic-Tech Inspector | 5.0★ (1) | 13 mi |
| Tri-Spec Corporation | In Sudbury | |
| Trinity Industries Corporation | 5.0★ (1) | 11 mi |
| Trufant Industries, Inc. | 5.0★ (2) | 18 mi |
How we ranked Sudbury septic service companies
We scored 112 Sudbury 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 Sudbury 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 Sudbury: frequently asked questions
Who is the best septic service company in Sudbury?
By CR Score, the highest-ranked septic service company in Sudbury, MA is Fairbank Septic Pumping LLC with a CR Score of 64/100. It has 4.9★ from 93 Google reviews. It is open 24/7. Wind River Environmental of Walpole, MA (#2) and Curtis Septic Service (#3) follow. We ranked 112 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Sudbury?
ContractorsRanked ranks 112 septic service companies serving Sudbury, MA. 3 of them are based in Sudbury; 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 Sudbury are open 24/7?
39 ranked septic service companies in Sudbury post 24/7 hours. The highest-ranked are Fairbank Septic Pumping LLC (#1), Wind River Environmental of Walpole, MA (#2) and Curtis Septic Service (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Sudbury work on weekends?
62 of 112 ranked septic service companies post Saturday hours and 44 post Sunday hours. The highest-ranked open Saturdays are Fairbank Septic Pumping LLC (#1), Wind River Environmental of Walpole, MA (#2) and Curtis Septic Service (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Sudbury septic service companies have?
The median Google rating among 112 rated septic service companies in Sudbury is 4.9★, with a median of 16 reviews. New Era Plumbing & HVAC has the most, 1,003 reviews, and ranks #41. 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 Sudbury count in this ranking?
Yes, if they are within 25 mi of the Sudbury 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 Sudbury
- November 2026: CR Scores recalculated for 112 septic service companies serving Sudbury.
More septic service companies and Sudbury pages
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