63/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.8★ from 295 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 Concord, NH (2026)
39 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Concord: Sewer Surgeons, CR Score 63/100; 4.8★ from 295 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Waste Warriors, posts 24/7 hours; ranked #2 of 39.
- 8
Most-reviewed: Rowell's Services, 3,082 Google reviews at 4.8★, the most of 39 ranked; ranked #8.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
39 Concord septic service companies are ranked here by CR Score, from ten published factors. 9 are open 24/7, 13 open Saturdays and 11 open Sundays, based on posted hours. The median Google rating is 4.9★ across 39 rated businesses.
Top 10 septic service companies in Concord at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Sewer Surgeons | 63 | 4.8★ (295) | East Concord, 5 mi away | 24/7 | Overall |
| 2 | Waste Warriors | 62 | 5.0★ (86) | Manchester, 2 mi away | 24/7 | Emergencies |
| 3 | Felix, A Wind River Company | 59 | 4.9★ (609) | Concord | 24/7 | — |
| 4 | Mr. Rooter Plumbing of Greater New Hampshire | 59 | 4.8★ (897) | Concord | 24/7 | — |
| 5 | Carl's Septic Systems and Services in New Hampshire | 59 | 4.8★ (118) | Manchester, 14 mi away | 24/7 | — |
| 6 | Kent Clean Septic | 59 | 5.0★ (42) | Concord | — | — |
| 7 | Inspections by Eric, LLC | 58 | 5.0★ (14) | Keene, 8 mi away | 24/7 | — |
| 8 | Rowell's Services | 57 | 4.8★ (3,082) | Northfield, 16 mi away | 24/7 | Most reviews |
| 9 | Eastern Pipe Service, A Wind River Company | 57 | 3.8★ (4) | Concord | 24/7 | — |
| 10 | Brunt Septic Pumping | 56 | 5.0★ (9) | Concord | Sat | — |
The 39 best septic service companies in Concord, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Manchester, 2 mi away
62/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 86 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Concord
59/100CR ScoreRanked #3 because of its Google rating and review volume: 4.9★ from 609 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Concord
59/100CR ScoreRanked #4 because of its Google rating and review volume: 4.8★ from 897 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manchester, 14 mi away
59/100CR ScoreRanked #5 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 Concord
59/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 42 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Keene, 8 mi away
58/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Northfield, 16 mi away
57/100CR ScoreRanked #8 because of its Google rating and review volume: 4.8★ from 3,082 Google reviews, the most in Concord.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Concord
57/100CR ScoreRanked #9 because of its Google rating and trade focus: 3.8★ 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 Concord
56/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#11 Kent Septic LLC
Based in Manchester, 12 mi away
56/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.8★ from 287 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Concord
55/100CR ScoreRanked #12 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 East Concord, 9 mi away
54/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ 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 East Concord, 23 mi away
53/100CR ScoreRanked #14 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 Laconia, 21 mi away
53/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ 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 Bedford, 18 mi away
52/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.8★ from 83 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manchester, 15 mi away
52/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.7★ from 37 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manchester, 15 mi away
51/100CR ScoreRanked #18 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 Londonderry, 24 mi away
51/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 67 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Merrimack, 16 mi away
51/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.6★ 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 Manchester, 16 mi away
51/100CR ScoreRanked #21 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 East Concord, 10 mi away
51/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in East Concord, 18 mi away
50/100CR ScoreRanked #23 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 Weare, 12 mi away
50/100CR ScoreRanked #24 because of its Google rating and review volume: 4.9★ from 95 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rochester, 21 mi away
50/100CR ScoreRanked #25 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.
All 39 septic service companies
#1 to #25 are shown in full above. Here are #26 to #39, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Allied Septic And Drain LLC | 50 | 5.0★ (62) | 13 mi |
| 27 | Bellemore Septic, Sewer, and Drain | 50 | 4.9★ (9) | 15 mi |
| 28 | RCI Septic Service | 49 | 4.6★ (30) | 23 mi |
| 29 | Able Septic | 49 | 4.7★ (25) | 23 mi |
| 30 | Jungle Jim's | 48 | 4.6★ (29) | In Concord |
| 31 | Pro Line Development | 48 | 4.3★ (6) | 19 mi |
| 32 | Veary Septic & Site | 48 | 5.0★ (8) | 15 mi |
| 33 | Piedmont Excavation and Septic | 47 | 3.9★ (17) | 8 mi |
| 34 | Steve Sarette & Son Excavation | 47 | 4.9★ (60) | 13 mi |
| 35 | Bellemore Property Services | 47 | 5.0★ (3) | 20 mi |
| 36 | Triangle Portable Services | 46 | 3.7★ (9) | 24 mi |
| 37 | Bouchard Excavation and Land Clearing | 46 | 5.0★ (3) | In Concord |
| 38 | Tom Howe Septic Systems | 45 | 4.0★ (7) | 23 mi |
| 39 | A Bee Septic LLC | 44 | 4.1★ (21) | 23 mi |
Also serving Concord
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 |
|---|---|---|
| Advanced Onsite Solutions | 5.0★ (1) | In Concord |
| Agritec Building & Excavating Contractors | 4.0★ (1) | In Concord |
| Al's Laconia Septic Tank Services | 5.0★ (1) | 21 mi |
| Al's Septic & Excavation | 3.0★ (2) | 25 mi |
| All-Clear Septic Services | 1.0★ (1) | In Concord |
| Area Septic Pumping Company | In Concord | |
| BC Construction, LLC | 5.0★ (1) | 8 mi |
| Beaver Brook Environmental | In Concord | |
| Beaver Brook Planning and Design, LLC | 5.0★ (1) | In Concord |
| Dupont Construction Co | 4.5★ (2) | 22 mi |
| Granite State Septic Design | 1.0★ (2) | 17 mi |
| H & F Septic Designs | In Concord | |
| Lake Shore Construction, LLC. | 5.0★ (1) | In Concord |
| Liberty Septic Services, LLC | 5.0★ (1) | 15 mi |
| N P Giroux Excavating LLC | 4.0★ (1) | 21 mi |
| R T Lake, Inc. | 4.0★ (2) | 18 mi |
| Sandford Surveying and Engineering, Inc. | 5.0★ (1) | 18 mi |
| Slate Corporation | 5.0★ (1) | 16 mi |
| South Road Designs | 5.0★ (1) | 11 mi |
| Wilson Septic Systems & Paving | 5.0★ (1) | 8 mi |
How we ranked Concord septic service companies
We scored 39 Concord 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 Concord 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 Concord: frequently asked questions
Who is the best septic service company in Concord?
By CR Score, the highest-ranked septic service company in Concord, NH is Sewer Surgeons with a CR Score of 63/100. It has 4.8★ from 295 Google reviews. It is open 24/7. Waste Warriors (#2) and Felix, A Wind River Company (#3) follow. We ranked 39 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Concord?
ContractorsRanked ranks 39 septic service companies serving Concord, NH. 8 of them are based in Concord; 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 Concord are open 24/7?
9 ranked septic service companies in Concord post 24/7 hours. The highest-ranked are Sewer Surgeons (#1), Waste Warriors (#2) and Felix, A Wind River Company (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Concord work on weekends?
13 of 39 ranked septic service companies post Saturday hours and 11 post Sunday hours. The highest-ranked open Saturdays are Sewer Surgeons (#1), Waste Warriors (#2) and Felix, A Wind River Company (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Concord septic service companies have?
The median Google rating among 39 rated septic service companies in Concord is 4.9★, with a median of 30 reviews. Rowell's Services has the most, 3,082 reviews, and ranks #8. 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 Concord count in this ranking?
Yes, if they are within 25 mi of the Concord 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 Concord
- November 2026: CR Scores recalculated for 39 septic service companies serving Concord.
- November 2026: 1 duplicate listing merged.
More septic service companies and Concord pages
Septic service companies near Concord
- Septic service companies in East Concord, NH34 ranked
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