61/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 796 Google reviews.
Best Septic Service Companies in Lawrence, MA (2026)
90 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Lawrence: John's Sewer & Drain Cleaning, CR Score 61/100; 4.9★ from 796 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): Chongris Engineering LLC, posts 24/7 hours; ranked #3 of 90.
- 14
Most-reviewed: New Era Plumbing & HVAC, 1,003 Google reviews at 4.9★, the most of 90 ranked; ranked #14.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
90 Lawrence septic service companies are ranked here by CR Score, from ten published factors. 30 are open 24/7, 45 open Saturdays and 34 open Sundays, based on posted hours. The median Google rating is 4.9★ across 90 rated businesses.
Top 10 septic service companies in Lawrence at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | John's Sewer & Drain Cleaning | 61 | 4.9★ (796) | Woburn, 13 mi away | 24/7 | Overall |
| 2 | LaFrance Septic Services | 61 | 4.9★ (96) | Salem, 7 mi away | Sat · Sun | — |
| 3 | Chongris Engineering LLC | 60 | 5.0★ (16) | Andover, 2 mi away | 24/7 | Emergencies |
| 4 | Bateson Enterprises Inc | 60 | 4.6★ (27) | Andover, 4 mi away | 24/7 | — |
| 5 | Spencer Plumbing Sewer and Drain Cleaning | 60 | 4.9★ (839) | Peabody, 17 mi away | 24/7 | — |
| 6 | Sewer Bros. | 59 | 5.0★ (172) | Andover, 12 mi away | 24/7 | — |
| 7 | Rooter Man | 58 | 5.0★ (118) | Lawrence | 24/7 | — |
| 8 | Waste Warriors | 58 | 5.0★ (23) | South Boston, 13 mi away | 24/7 | — |
| 9 | Wayne's Drains | 58 | 4.3★ (59) | Burlington, 14 mi away | 24/7 | — |
| 10 | Pete's Sewer Services | 57 | 4.8★ (52) | Plaistow, 9 mi away | Sat | — |
The 90 best septic service companies in Lawrence, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Salem, 7 mi away
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 96 Google reviews, listed on Google as “Septic system service”.
Based in Andover, 2 mi away
60/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Septic system service”.
Based in Andover, 4 mi away
60/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.6★ from 27 Google reviews, listed on Google as “Septic system service”.
Based in Peabody, 17 mi away
60/100CR ScoreRanked #5 because of its Google rating and review volume: 4.9★ from 839 Google reviews.
#6 Sewer Bros.
Based in Andover, 12 mi away
59/100CR ScoreRanked #6 because of its Google rating and review volume: 5.0★ from 172 Google reviews.
#7 Rooter Man
Based in Lawrence
58/100CR ScoreRanked #7 because of its Google rating and review volume: 5.0★ from 118 Google reviews.
Based in South Boston, 13 mi away
58/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Septic system service”.
Based in Burlington, 14 mi away
58/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.3★ from 59 Google reviews, listed on Google as “Septic system service”.
Based in Plaistow, 9 mi away
57/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.8★ from 52 Google reviews, listed on Google as “Septic system service”.
Based in Boston, 20 mi away
57/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.8★ from 32 Google reviews, listed on Google as “Septic system service”.
Based in Groveland, 8 mi away
57/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Septic system service”.
#13 Curtis Septic
Based in Leominster, 19 mi away
56/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Septic system service”.
Based in Dracut, 9 mi away
56/100CR ScoreRanked #14 because of its Google rating and review volume: 4.9★ from 1,003 Google reviews, the most in Lawrence.
#15 Rhino Rooter
Based in Boston, 21 mi away
56/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Septic system service”.
Based in Hudson, 15 mi away
56/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 196 Google reviews, listed on Google as “Septic system service”.
Based in East Concord, 16 mi away
56/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Septic system service”.
Based in Salem, 19 mi away
56/100CR ScoreRanked #18 because of its Google rating and review volume: 4.8★ from 125 Google reviews.
#19 Sewer Surgeons
Based in Derry, 13 mi away
56/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Septic system service”.
Based in Hampstead, 12 mi away
55/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.8★ from 31 Google reviews, listed on Google as “Septic system service”.
#21 R M Ratta Corp
Based in Fitchburg, 21 mi away
55/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 204 Google reviews, listed on Google as “Septic system service”.
#22 Charles Roux Llc
Based in Lowell, 13 mi away
55/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Septic system service”.
#23 Rooterman
Based in Billerica, 11 mi away
55/100CR ScoreRanked #23 because of its Google rating and review volume: 5.0★ from 364 Google reviews.
Based in Windham, 9 mi away
55/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 36 Google reviews, listed on Google as “Septic system service”.
Based in Westford, 16 mi away
55/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.4★ from 20 Google reviews, listed on Google as “Septic system service”.
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 90 ranked septic service companies here; the rest are on their profiles.
Also serving Lawrence
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-Bee Septic LLC | 5.0★ (1) | 20 mi |
| ABC Plumbing Drain Sewer Clng | 5.0★ (1) | 14 mi |
| Al's Septic & Excavation | 3.0★ (2) | 15 mi |
| Backyard Solutions LLC | 4 mi | |
| Borough Sewer Services | 4.0★ (1) | 15 mi |
| D&M Masonry & Construction | 5.0★ (1) | 20 mi |
| E A Comeau Septic | 5.0★ (1) | 23 mi |
| G. Nichols Construction Co., Inc | 5.0★ (2) | 23 mi |
| J.Chongris and Son's Enterprises | In Lawrence | |
| James Killion Corp. | 1 mi | |
| Jb North Shore Construction | In Lawrence | |
| Land Engineering & Envrmntl | 5.0★ (2) | 13 mi |
| Medford Sewer Shop | 5.0★ (1) | 20 mi |
| QUIRK Real Estate Sales, Development and Construction | 3.0★ (2) | 13 mi |
| Sewer Works | 5.0★ (2) | 20 mi |
| Slate Corporation | 5.0★ (1) | 24 mi |
| Stewart Septic Services | 3.0★ (2) | 7 mi |
| Title 5 Inspection | 5.0★ (1) | 20 mi |
| United Rentals - Reliable Onsite Services | 4 mi | |
| Wind River Environmental of Gloucester, MA | 5.0★ (1) | 14 mi |
How we ranked Lawrence septic service companies
We scored 90 Lawrence 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 Lawrence 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 Lawrence: frequently asked questions
Who is the best septic service company in Lawrence?
By CR Score, the highest-ranked septic service company in Lawrence, MA is John's Sewer & Drain Cleaning with a CR Score of 61/100. It has 4.9★ from 796 Google reviews. It is open 24/7. LaFrance Septic Services (#2) and Chongris Engineering LLC (#3) follow. We ranked 90 septic service companies on ten factors, last updated November 2, 2026.
How many septic service companies are there in Lawrence?
ContractorsRanked ranks 90 septic service companies serving Lawrence, MA. 1 of them is based in Lawrence; 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 Lawrence are open 24/7?
30 ranked septic service companies in Lawrence post 24/7 hours. The highest-ranked are John's Sewer & Drain Cleaning (#1), Chongris Engineering LLC (#3) and Bateson Enterprises Inc (#4). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Lawrence work on weekends?
45 of 90 ranked septic service companies post Saturday hours and 34 post Sunday hours. The highest-ranked open Saturdays are John's Sewer & Drain Cleaning (#1), LaFrance Septic Services (#2) and Chongris Engineering LLC (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Lawrence septic service companies have?
The median Google rating among 90 rated septic service companies in Lawrence is 4.9★, with a median of 20 reviews. New Era Plumbing & HVAC has the most, 1,003 reviews, and ranks #14. 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 Lawrence count in this ranking?
Yes, if they are within 25 mi of the Lawrence 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 Lawrence
- November 2026: CR Scores recalculated for 90 septic service companies serving Lawrence.
- November 2026: 1 duplicate listing merged.
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