Ranked #1 because of its Google rating and trade focus: 4.6★ from 134 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
31 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Rochester: LaPierre Septic, CR Score 64/100; 4.6★ from 134 Google reviews.
Best for emergencies (open 24/7): Carl's Septic Systems and Services in New Hampshire, posts 24/7 hours; ranked #3 of 31.
Most-reviewed: Hunts Septic Service, 165 Google reviews at 4.9★, the most of 31 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
31 Rochester septic service companies are ranked here by CR Score, from ten published factors. 8 are open 24/7, 11 open Saturdays and 9 open Sundays, based on posted hours. The median Google rating is 4.8★ across 31 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | LaPierre Septic | 64 | 4.6★ (134) | Rochester | — | Overall |
| 2 | Hunts Septic Service | 63 | 4.9★ (165) | Rochester | — | Most reviews |
| 3 | Carl's Septic Systems and Services in New Hampshire | 61 | 4.8★ (118) | Manchester, 25 mi away | 24/7 | Emergencies |
| 4 | Seacoast Sewer & Drain, Inc. | 60 | 4.9★ (156) | Eliot, 15 mi away | 24/7 | — |
| 5 | A-1 Septic Tank Services | 60 | 4.7★ (44) | Sanford, 18 mi away | 24/7 | — |
| 6 | B.H. Cameron Septic Services LLC | 59 | 4.8★ (34) | Rochester | — | — |
| 7 | Stoney Road Septic | 59 | 5.0★ (143) | Sanford, 17 mi away | — | — |
| 8 | Roland's Sewer Service | 58 | 4.6★ (9) | Manchester, 11 mi away | 24/7 | — |
| 9 | McKenna Septic Service | 57 | 4.8★ (30) | Barrington, 4 mi away | — | — |
| 10 | Seacoast Septic | 57 | 5.0★ (13) | Portsmouth, 18 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 4.6★ from 134 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Rochester
Ranked #2 because of its Google rating and review volume: 4.9★ from 165 Google reviews, the most in Rochester.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manchester, 25 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 118 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Eliot, 15 mi away
Ranked #4 because of its Google rating and review volume: 4.9★ from 156 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sanford, 18 mi away
Ranked #5 because of its Google rating and trade focus: 4.7★ from 44 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rochester
Ranked #6 because of its Google rating and trade focus: 4.8★ from 34 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sanford, 17 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 143 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manchester, 11 mi away
Ranked #8 because of its Google rating and trade focus: 4.6★ 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 Barrington, 4 mi away
Ranked #9 because of its Google rating and trade focus: 4.8★ from 30 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Portsmouth, 18 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chester, 21 mi away
Ranked #11 because of its Google rating and review volume: 4.9★ from 58 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in East Concord, 14 mi away
Ranked #12 because of its Google rating and trade focus: 4.6★ from 31 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sanford, 18 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Concord, 20 mi away
Ranked #14 because of its Google rating and review volume: 4.9★ from 56 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Exeter, 16 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ 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 Dover, 9 mi away
Ranked #16 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 Kennebunk, 22 mi away
Ranked #17 because of its Google rating and trade focus: 4.8★ from 35 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Barnstable, 19 mi away
Ranked #18 because of its Google rating and review volume: 5.0★ from 25 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Exeter, 23 mi away
Ranked #19 because of its Google rating and review volume: 5.0★ from 103 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chester, 21 mi away
Ranked #20 because of its Google rating and review volume: 4.9★ from 58 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Dover, 8 mi away
Ranked #21 because of its Google rating and review volume: 4.0★ from 12 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lebanon, 11 mi away
Ranked #22 because of its Google rating and trade focus: 4.0★ 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 Portsmouth, 22 mi away
Ranked #23 because of its Google rating and trade focus: 4.6★ from 11 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Biddeford, 24 mi away
Ranked #24 because of its Google rating and trade focus: 3.0★ from 4 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Exeter, 20 mi away
Ranked #25 because of its Google rating and review volume: 4.6★ from 37 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
We scored 31 Rochester 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 Rochester 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 |