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Best Septic Service Companies in Winchester, MA (2026)

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

The short answer

  1. 1

    Best overall in Winchester: John's Sewer & Drain Cleaning, CR Score 63/100; 4.9★ from 796 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Wind River Environmental of Walpole, MA, posts 24/7 hours; ranked #2 of 92.

  3. 31

    Most-reviewed: New Era Plumbing & HVAC, 1,003 Google reviews at 4.9★, the most of 92 ranked; ranked #31.

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

92 Winchester septic service companies are ranked here by CR Score, from ten published factors. 38 are open 24/7, 49 open Saturdays and 40 open Sundays, based on posted hours. The median Google rating is 4.9★ across 92 rated businesses.

Top 10 septic service companies in Winchester at a glance

Top 10 septic service companies in Winchester at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1John's Sewer & Drain Cleaning634.9★ (796)Woburn, 5 mi away24/7Overall
2Wind River Environmental of Walpole, MA624.9★ (846)Walpole, 24 mi away24/7Emergencies
3Spencer Plumbing Sewer and Drain Cleaning614.9★ (839)Peabody, 12 mi away24/7—
4Rhino Rooter605.0★ (25)Boston, 5 mi away24/7—
5Rapid Flow Sewer & Drain Cleaning604.9★ (493)Arlington, 13 mi away24/7—
6Waste Warriors605.0★ (23)South Boston, 6 mi away24/7—
7Fairbank Septic Pumping LLC604.9★ (93)Sudbury, 16 mi away24/7—
8Sewer Bros.605.0★ (172)Andover, 8 mi away24/7—
9Wayne's Drains604.3★ (59)Burlington, 5 mi away24/7—
10Woburn Drains & Sewer594.8★ (32)Boston, 10 mi away24/7—

The 92 best septic service companies in Winchester, 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.

  1. Based in Boston, 5 mi away

    60/100CR Score

    Ranked #4 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
  2. Based in South Boston, 6 mi away

    60/100CR Score

    Ranked #6 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
  3. Based in Burlington, 5 mi away

    60/100CR Score

    Ranked #9 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
  4. Based in South Boston, 10 mi away

    58/100CR Score

    Ranked #12 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
  5. Based in Leominster, 18 mi away

    57/100CR Score

    Ranked #17 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
  6. Based in Billerica, 10 mi away

    55/100CR Score

    Ranked #24 because of its Google rating and review volume: 5.0★ from 364 Google reviews.

    • 5.0★ from 364 Google reviews
    Hours
    Mon–Fri 8 AM–7 PM · Sat 8 AM–5 PM · Sun closed
    Address
    67 Andover Rd, Billerica, MA 01821
  7. Based in Franklin, 24 mi away

    55/100CR Score

    Ranked #25 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

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

septic service companies in Winchester, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Greenwood Sewer Service554.4★ (20)15 mi
27R M Ratta Corp554.9★ (204)22 mi
28Jason Elliott Septic Pumping555.0★ (9)9 mi
29Casper Plumbing & Heating554.9★ (166)16 mi
30Dave Starmer Disposal, Inc.544.4★ (12)14 mi
31New Era Plumbing & HVAC544.9★ (1,003)18 mi
32Rooter Man545.0★ (118)17 mi
33Berl Title 5545.0★ (8)10 mi
34Water Heater Genies545.0★ (21)5 mi
35Rescue Plumbing Services545.0★ (111)19 mi
36Essex Septic Service, Inc.544.7★ (12)18 mi
37Briscoe Septic - Owned & Operated by R.A. Briscoe Inc.535.0★ (5)22 mi
38Doug Anderson Plumbing and Heating534.9★ (222)12 mi
39Quality Sewer & Drain, Inc534.9★ (163)12 mi
40Drains Unlimited sewer and drain cleaning company535.0★ (3)5 mi
41Bancroft/Silva Septic Services534.9★ (17)20 mi
42Doucette Engineering & Septic Design525.0★ (26)17 mi
43Whyman Septic System523.7★ (3)8 mi
44John Zanni Pumping Co., Inc.525.0★ (11)12 mi
45R J Lacombe Septic Services524.9★ (38)20 mi
46Curtis Septic524.1★ (9)13 mi
47Service Pumping & Drain Co., Inc.524.5★ (15)7 mi
48Visionary Plumbing514.9★ (8)7 mi
49D L Atkinson Inc515.0★ (8)12 mi
50Rooter-Man514.6★ (71)20 mi

Also serving Winchester

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 Winchester
BusinessGoogle ratingDistance
ABC Plumbing Drain Sewer Clng5.0★ (1)5 mi
Borough Sewer Services4.0★ (1)21 mi
Cutler Contracting, Inc.5.0★ (1)15 mi
D&M Masonry & Construction5.0★ (1)11 mi
E A Comeau Septic5.0★ (1)15 mi
Final Grade Excavation inc.5.0★ (1)24 mi
G. Nichols Construction Co., Inc5.0★ (2)17 mi
Independent Drain Inspections6 mi
J.Chongris and Son's Enterprises6 mi
JPAC Enterprises, LLC5.0★ (1)22 mi
Land Engineering & Envrmntl5.0★ (2)20 mi
Medford Sewer Shop5.0★ (1)3 mi
NorthEast Classic Builders1.0★ (1)12 mi
Raggs Septic Service1.0★ (1)17 mi
Rhino Rooter5 mi
Septic Solutions LLC5.0★ (1)20 mi
Stewart Septic Services3.0★ (2)24 mi
Trinity Industries Corporation5.0★ (1)23 mi
Trufant Industries, Inc.5.0★ (2)18 mi
Wind River Environmental of Gloucester, MA5.0★ (1)17 mi

How we ranked Winchester septic service companies

We scored 92 Winchester 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 Winchester 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 Winchester: frequently asked questions

Who is the best septic service company in Winchester?

By CR Score, the highest-ranked septic service company in Winchester, MA is John's Sewer & Drain Cleaning with a CR Score of 63/100. It has 4.9★ from 796 Google reviews. It is open 24/7. Wind River Environmental of Walpole, MA (#2) and Spencer Plumbing Sewer and Drain Cleaning (#3) follow. We ranked 92 septic service companies on ten factors, last updated November 2, 2026.

How many septic service companies are there in Winchester?

ContractorsRanked ranks 92 septic service companies serving Winchester, MA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.

Which septic service companies in Winchester are open 24/7?

38 ranked septic service companies in Winchester post 24/7 hours. The highest-ranked are John's Sewer & Drain Cleaning (#1), Wind River Environmental of Walpole, MA (#2) and Spencer Plumbing Sewer and Drain Cleaning (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.

Which septic service companies in Winchester work on weekends?

49 of 92 ranked septic service companies post Saturday hours and 40 post Sunday hours. The highest-ranked open Saturdays are John's Sewer & Drain Cleaning (#1), Wind River Environmental of Walpole, MA (#2) and Spencer Plumbing Sewer and Drain Cleaning (#3). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Winchester septic service companies have?

The median Google rating among 92 rated septic service companies in Winchester is 4.9★, with a median of 17 reviews. New Era Plumbing & HVAC has the most, 1,003 reviews, and ranks #31. 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 Winchester count in this ranking?

Yes, if they are within 25 mi of the Winchester 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 Winchester

  1. November 2026: CR Scores recalculated for 92 septic service companies serving Winchester.

More septic service companies and Winchester pages

Other trades in Winchester