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Best Septic Service Companies in Concord, MA (2026)

102 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Concord: Wind River Environmental of Walpole, MA, CR Score 62/100; 4.9★ from 846 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Fairbank Septic Pumping LLC, posts 24/7 hours; ranked #2 of 102.

  3. 33

    Most-reviewed: New Era Plumbing & HVAC, 1,003 Google reviews at 4.9★, the most of 102 ranked; ranked #33.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

102 Concord septic service companies are ranked here by CR Score, from ten published factors. 37 are open 24/7, 54 open Saturdays and 39 open Sundays, based on posted hours. The median Google rating is 4.9★ across 102 rated businesses.

Top 10 septic service companies in Concord at a glance

Top 10 septic service companies in Concord at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Wind River Environmental of Walpole, MA624.9★ (846)Walpole, 24 mi away24/7Overall
2Fairbank Septic Pumping LLC624.9★ (93)Sudbury, 8 mi away24/7Emergencies
3John's Sewer & Drain Cleaning614.9★ (796)Woburn, 11 mi away24/7—
4Woburn Drains & Sewer614.8★ (32)Boston, 2 mi away24/7—
5Curtis Septic Service614.7★ (77)Stow, 7 mi away24/7—
6Rhino Rooter595.0★ (25)Boston, 9 mi away24/7—
7Waste Warriors595.0★ (23)South Boston, 9 mi away24/7—
8Curtis Septic595.0★ (21)Leominster, 9 mi away24/7—
9Northboro / Curtis Septic Service594.9★ (73)Northborough, 17 mi away24/7—
10Wayne's Drains594.3★ (59)Burlington, 8 mi away24/7—

The 102 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.

Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  6. #6 Rhino Rooter

    Based in Boston, 9 mi away

    59/100CR Score

    Ranked #6 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Septic system service”.

    • 5.0★ from 25 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Rhino Rooter(617) 360-1553

  7. #7 Waste Warriors

    Based in South Boston, 9 mi away

    59/100CR Score

    Ranked #7 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Septic system service”.

    • 5.0★ from 23 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Waste Warriors(857) 297-4912

  8. #8 Curtis Septic

    Based in Leominster, 9 mi away

    59/100CR Score

    Ranked #8 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Septic system service”.

    • 5.0★ from 21 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    6 Meetinghouse Rd, Littleton, MA 01460
    View profile for Curtis Septic(978) 540-5555

  10. #10 Wayne's Drains

    Based in Burlington, 8 mi away

    59/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.3★ from 59 Google reviews, listed on Google as “Septic system service”.

    • 4.3★ from 59 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    36 Grant Ave, Burlington, MA 01803
    View profile for Wayne's Drains(781) 272-3100

  12. #12 Grant's Septic Techs

    Based in Worcester, 25 mi away

    58/100CR Score

    Ranked #12 because of its Google rating and trade focus: 5.0★ from 590 Google reviews, listed on Google as “Septic system service”.

    • 5.0★ from 590 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat 9 AM–2 PM · Sun closed
    Address
    5 Farm St, Upton, MA 01568
    View profile for Grant's Septic Techs(508) 529-6255

  16. #16 R M Ratta Corp

    Based in Fitchburg, 12 mi away

    57/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.9★ from 204 Google reviews, listed on Google as “Septic system service”.

    • 4.9★ from 204 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    81 Westford Rd, Ayer, MA 01432
    View profile for R M Ratta Corp(978) 772-1600

  20. #20 Title 5 Specialists

    Based in South Boston, 18 mi away

    57/100CR Score

    Ranked #20 because of its Google rating and trade focus: 5.0★ from 42 Google reviews, listed on Google as “Septic system service”.

    • 5.0★ from 42 Google reviews
    Hours
    Mon–Sun 8 AM–6 PM
    Address
    22 Taft St, Dorchester, MA 02125
    View profile for Title 5 Specialists(857) 267-3849

  22. #22 Smith Septic

    Based in Franklin, 18 mi away

    56/100CR Score

    Ranked #22 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Septic system service”.

    • 5.0★ from 17 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Smith Septic(774) 248-4793

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 102 ranked septic service companies here; the rest are on their profiles.

septic service companies in Concord, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26CSI-Culley's Septic Inc564.9★ (141)16 mi
27Rooterman555.0★ (364)8 mi
28Bancroft/Silva Septic Services554.9★ (17)10 mi
29Rescue Plumbing Services555.0★ (111)12 mi
30Trenchless Sewer Repair, LLC554.9★ (19)7 mi
31Doucette Engineering & Septic Design555.0★ (26)6 mi
32Berl Title 5555.0★ (8)6 mi
33New Era Plumbing & HVAC554.9★ (1,003)15 mi
34ASAP Drains and Sewers Incorporated544.8★ (125)23 mi
35Doug Anderson Plumbing and Heating544.9★ (222)7 mi
36R J Lacombe Septic Services544.9★ (38)11 mi
37Holliston Sewer Service545.0★ (98)22 mi
38ABC Plumbing Drain Sewer Cleaning545.0★ (12)11 mi
39Rooter Man545.0★ (118)20 mi
40Curtis Septic534.1★ (9)7 mi
41Lancaster Septic533.0★ (4)17 mi
42ABC Cesspool534.1★ (18)4 mi
43CH Septic and Sons535.0★ (3)6 mi
44Jason Elliott Septic Pumping535.0★ (9)15 mi
45Lakeside Sewerage Services Inc534.9★ (28)15 mi
46Rooter-Man534.6★ (71)14 mi
47Flannery Septic & General Contractor, LLC524.9★ (37)17 mi
48DJ Morris Contracting - Offering the best septic system services since 1979525.0★ (6)7 mi
49L.R Favreau Septic Service525.0★ (39)20 mi
50Visionary Plumbing524.9★ (8)4 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.

Unranked septic service companies serving Concord
BusinessGoogle ratingDistance
ABC Plumbing Drain Sewer Clng5.0★ (1)8 mi
Beals & Sons Inc. - Construction Company5.0★ (1)19 mi
Borough Sewer Services4.0★ (1)15 mi
Clear-Way Sewer & Drain Co.In Concord
Cutler Contracting, Inc.5.0★ (1)6 mi
D&M Masonry & Construction5.0★ (1)21 mi
David Favreau Construction & Septic Services5.0★ (2)20 mi
E A Comeau Septic5.0★ (1)In Concord
G. Nichols Construction Co., Inc5.0★ (2)6 mi
JPAC Enterprises, LLC5.0★ (1)22 mi
Land Engineering & Envrmntl5.0★ (2)14 mi
Mark Santora PE Inc5.0★ (2)25 mi
Medford Sewer Shop5.0★ (1)13 mi
NorthEast Classic Builders1.0★ (1)8 mi
Raggs Septic Service1.0★ (1)22 mi
Rotti Construction Co5.0★ (1)22 mi
Septic-Tech Inspector5.0★ (1)20 mi
Stewart Septic Services3.0★ (2)24 mi
Trinity Industries Corporation5.0★ (1)17 mi
Trufant Industries, Inc.5.0★ (2)21 mi

How we ranked Concord septic service companies

We scored 102 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 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Concord data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

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, MA is Wind River Environmental of Walpole, MA with a CR Score of 62/100. It has 4.9★ from 846 Google reviews. It is open 24/7. Fairbank Septic Pumping LLC (#2) and John's Sewer & Drain Cleaning (#3) follow. We ranked 102 septic service companies on ten factors, last updated November 2, 2026.

How many septic service companies are there in Concord?

ContractorsRanked ranks 102 septic service companies serving Concord, MA. 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?

37 ranked septic service companies in Concord post 24/7 hours. The highest-ranked are Wind River Environmental of Walpole, MA (#1), Fairbank Septic Pumping LLC (#2) and John's Sewer & Drain Cleaning (#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?

54 of 102 ranked septic service companies post Saturday hours and 39 post Sunday hours. The highest-ranked open Saturdays are Wind River Environmental of Walpole, MA (#1), Fairbank Septic Pumping LLC (#2) and John's Sewer & Drain Cleaning (#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 102 rated septic service companies in Concord is 4.9★, with a median of 19 reviews. New Era Plumbing & HVAC has the most, 1,003 reviews, and ranks #33. 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

  1. November 2026: CR Scores recalculated for 102 septic service companies serving Concord.

More septic service companies and Concord pages

Other trades in Concord