60/100CR Score
Ranked #1 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.
Best Septic Service Companies in Westford, MA (2026)
104 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Westford: Curtis Septic, CR Score 60/100; 5.0★ from 21 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): John's Sewer & Drain Cleaning, posts 24/7 hours; ranked #2 of 104.
- 19
Most-reviewed: New Era Plumbing & HVAC, 1,003 Google reviews at 4.9★, the most of 104 ranked; ranked #19.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
104 Westford septic service companies are ranked here by CR Score, from ten published factors. 34 are open 24/7, 49 open Saturdays and 36 open Sundays, based on posted hours. The median Google rating is 4.9★ across 104 rated businesses.
Top 10 septic service companies in Westford at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Curtis Septic | 60 | 5.0★ (21) | Leominster, 3 mi away | 24/7 | Overall |
| 2 | John's Sewer & Drain Cleaning | 60 | 4.9★ (796) | Woburn, 15 mi away | 24/7 | Emergencies |
| 3 | Curtis Septic Service | 60 | 4.7★ (77) | Stow, 10 mi away | 24/7 | — |
| 4 | Fairbank Septic Pumping LLC | 60 | 4.9★ (93) | Sudbury, 15 mi away | 24/7 | — |
| 5 | R M Ratta Corp | 59 | 4.9★ (204) | Fitchburg, 5 mi away | — | — |
| 6 | Woburn Drains & Sewer | 59 | 4.8★ (32) | Boston, 11 mi away | 24/7 | — |
| 7 | Greenwood Sewer Service | 58 | 4.4★ (20) | Westford | Sat · Sun · Evenings | — |
| 8 | Rescue Plumbing Services | 58 | 5.0★ (111) | Westford | 24/7 | — |
| 9 | Northboro / Curtis Septic Service | 58 | 4.9★ (73) | Northborough, 20 mi away | 24/7 | — |
| 10 | Waste Warriors | 58 | 5.0★ (23) | South Boston, 13 mi away | 24/7 | — |
The 104 best septic service companies in Westford, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Woburn, 15 mi away
60/100CR ScoreRanked #2 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 Stow, 10 mi away
60/100CR 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 Sudbury, 15 mi away
60/100CR ScoreRanked #4 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 Fitchburg, 5 mi away
59/100CR ScoreRanked #5 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 Boston, 11 mi away
59/100CR 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 Westford
58/100CR ScoreRanked #7 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 Westford
58/100CR ScoreRanked #8 because of its Google rating and review volume: 5.0★ from 111 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Northborough, 20 mi away
58/100CR ScoreRanked #9 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.
#10 Waste Warriors
Based in South Boston, 13 mi away
58/100CR ScoreRanked #10 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 Salem, 17 mi away
58/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 96 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#12 Wayne's Drains
Based in Burlington, 13 mi away
58/100CR ScoreRanked #12 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 Andover, 15 mi away
57/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.6★ from 27 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#14 Rhino Rooter
Based in Boston, 18 mi away
57/100CR ScoreRanked #14 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 Andover, 15 mi away
57/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Acton, 9 mi away
57/100CR ScoreRanked #16 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.
#17 Sewer Bros.
Based in Andover, 19 mi away
57/100CR ScoreRanked #17 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 Fitchburg, 5 mi away
57/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.9★ from 17 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Dracut, 8 mi away
56/100CR ScoreRanked #19 because of its Google rating and review volume: 4.9★ from 1,003 Google reviews, the most in Westford.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fitchburg, 3 mi away
56/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 38 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hudson, 17 mi away
56/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 196 Google reviews, listed on Google as “Septic system service”.
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.
#23 Rooterman
Based in Billerica, 9 mi away
55/100CR ScoreRanked #23 because of its Google rating and review volume: 5.0★ from 364 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
#24 Charles Roux Llc
Based in Lowell, 13 mi away
55/100CR ScoreRanked #24 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.
#25 Smith Septic
Based in Franklin, 24 mi away
55/100CR ScoreRanked #25 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.
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 104 ranked septic service companies here; the rest are on their profiles.
Also serving Westford
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 |
|---|---|---|
| A Community Title V Inspector | In Westford | |
| A-Bee Septic LLC | 5.0★ (1) | 19 mi |
| ABC Plumbing Drain Sewer Clng | 5.0★ (1) | 13 mi |
| Al's Septic & Excavation | 3.0★ (2) | 22 mi |
| Beals & Sons Inc. - Construction Company | 5.0★ (1) | 22 mi |
| Borough Sewer Services | 4.0★ (1) | In Westford |
| Cutler Contracting, Inc. | 5.0★ (1) | 13 mi |
| David Favreau Construction & Septic Services | 5.0★ (2) | 19 mi |
| E A Comeau Septic | 5.0★ (1) | 10 mi |
| G. Nichols Construction Co., Inc | 5.0★ (2) | 8 mi |
| Land Engineering & Envrmntl | 5.0★ (2) | 6 mi |
| Massachusetts Septic Service Providers Association | In Westford | |
| Medford Sewer Shop | 5.0★ (1) | 20 mi |
| NorthEast Classic Builders | 1.0★ (1) | 17 mi |
| Rotti Construction Co | 5.0★ (1) | 22 mi |
| Septic-Tech Inspector | 5.0★ (1) | 25 mi |
| Sewer Works | 5.0★ (2) | In Westford |
| Stewart Septic Services | 3.0★ (2) | 18 mi |
| Title 5 Inspection | 5.0★ (1) | 17 mi |
| Trinity Industries Corporation | 5.0★ (1) | 24 mi |
How we ranked Westford septic service companies
We scored 104 Westford 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 Westford 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 Westford: frequently asked questions
Who is the best septic service company in Westford?
By CR Score, the highest-ranked septic service company in Westford, MA is Curtis Septic with a CR Score of 60/100. It has 5.0★ from 21 Google reviews. It is open 24/7. John's Sewer & Drain Cleaning (#2) and Curtis Septic Service (#3) follow. We ranked 104 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Westford?
ContractorsRanked ranks 104 septic service companies serving Westford, MA. 3 of them are based in Westford; 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 Westford are open 24/7?
34 ranked septic service companies in Westford post 24/7 hours. The highest-ranked are Curtis Septic (#1), John's Sewer & Drain Cleaning (#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 Westford work on weekends?
49 of 104 ranked septic service companies post Saturday hours and 36 post Sunday hours. The highest-ranked open Saturdays are Curtis Septic (#1), John's Sewer & Drain Cleaning (#2) and Curtis Septic Service (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Westford septic service companies have?
The median Google rating among 104 rated septic service companies in Westford is 4.9★, with a median of 18 reviews. New Era Plumbing & HVAC has the most, 1,003 reviews, and ranks #19. 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 Westford count in this ranking?
Yes, if they are within 25 mi of the Westford 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 Westford
- November 2026: CR Scores recalculated for 104 septic service companies serving Westford.
- November 2026: 1 duplicate listing merged.
More septic service companies and Westford pages
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