63/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 111 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 Madison, CT (2026)
88 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Madison: Anderson Bros Sanitation & Excavating Inc, CR Score 63/100; 4.9★ from 111 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): Septic System Solutions Higganum- Vincent Madore, posts 24/7 hours; ranked #3 of 88.
- 32
Most-reviewed: Drainworks Plumbing & Septic LLC, 1,362 Google reviews at 4.8★, the most of 88 ranked; ranked #32.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
88 Madison septic service companies are ranked here by CR Score, from ten published factors. 30 are open 24/7, 52 open Saturdays and 38 open Sundays, based on posted hours. The median Google rating is 4.9★ across 88 rated businesses.
Top 10 septic service companies in Madison at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Anderson Bros Sanitation & Excavating Inc | 63 | 4.9★ (111) | Branford, 3 mi away | 24/7 | Overall |
| 2 | Modern Home Inspections LLC | 61 | 5.0★ (907) | Meriden, 17 mi away | Sat · Evenings | — |
| 3 | Septic System Solutions Higganum- Vincent Madore | 60 | 4.9★ (66) | Meriden, 12 mi away | 24/7 | Emergencies |
| 4 | Mr. Rooter Plumbing of South Central Connecticut | 59 | 4.9★ (742) | North Branford, 9 mi away | 24/7 | — |
| 5 | Strong Island Cesspool and Drain | 24/7 Cesspool Service | Cesspool Pumping | 58 | 5.0★ (93) | Coram, 25 mi away | 24/7 | — |
| 6 | John J Doerrer Inc | 57 | 4.8★ (17) | Guilford, 6 mi away | Sat · Sun | — |
| 7 | Monoflo Septic Tank Co | 57 | 4.4★ (10) | Guilford, 9 mi away | 24/7 | — |
| 8 | Perkulator Cesspool | 57 | 4.8★ (23) | Coram, 16 mi away | 24/7 | — |
| 9 | Emergency Cesspool Pumping Long Island | Certified Cesspool Service Suffolk NY | 56 | 5.0★ (50) | Brentwood, 25 mi away | 24/7 | — |
| 10 | Wind River Environmental of Old Lyme, CT | 56 | 4.8★ (55) | Madison | 24/7 | — |
The 88 best septic service companies in Madison, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Meriden, 17 mi away
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 907 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Meriden, 12 mi away
60/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 66 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in North Branford, 9 mi away
59/100CR ScoreRanked #4 because of its Google rating and review volume: 4.9★ from 742 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Coram, 25 mi away
58/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 93 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Guilford, 6 mi away
57/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.8★ 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 Guilford, 9 mi away
57/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.4★ from 10 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Coram, 16 mi away
57/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.8★ from 23 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brentwood, 25 mi away
56/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 50 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Madison
56/100CR ScoreRanked #10 because of its Google rating and review volume: 4.8★ from 55 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
#11 Cesspool Kings
Based in Brentwood, 25 mi away
56/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#12 Beers Inc
Based in Waterford, 18 mi away
56/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.7★ from 50 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Riverhead, 24 mi away
55/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Wallingford, 18 mi away
55/100CR ScoreRanked #14 because of its Google rating and review volume: 4.8★ from 495 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in East Haddam, 25 mi away
55/100CR ScoreRanked #15 because of its Google rating and review volume: 4.9★ from 220 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Montville Center, 22 mi away
55/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.8★ from 45 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Woodbridge, 21 mi away
54/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 140 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Madison
54/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.8★ from 24 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Branford, 4 mi away
54/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Guilford, 11 mi away
54/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.8★ from 16 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Orange, 24 mi away
54/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.7★ 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 Ansonia, 23 mi away
54/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ 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 Guilford, 11 mi away
54/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.6★ from 19 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Easton, 22 mi away
54/100CR ScoreRanked #24 because of its Google rating and review volume: 4.9★ from 311 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
#25 SepTech LLC.
Based in Old Saybrook, 12 mi away
54/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
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 88 ranked septic service companies here; the rest are on their profiles.
Also serving Madison
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 |
|---|---|---|
| Anytime Sewer & Drain Services | 1.0★ (1) | 20 mi |
| Baldino & Son Excavating-Sewer | 5.0★ (1) | 19 mi |
| Bill Walter & Sons Septic Services | In Madison | |
| Bill Walter & Sons Septic Services | 5.0★ (1) | 3 mi |
| Cunningham Construction | 5.0★ (2) | 18 mi |
| Durham-Middlefield Septic Tank | 5.0★ (1) | 18 mi |
| Flush Warranty | 5.0★ (2) | 3 mi |
| Fraser Cesspool and Septic Pumping and Service | 1.0★ (1) | 25 mi |
| Grantem | 5.0★ (1) | 25 mi |
| Jason Walter Septic & Excavating | 5.0★ (1) | 3 mi |
| Paul L Szewczyk Excavating Inc | 5.0★ (1) | 21 mi |
| Pro-Tech Rooter, Sewer Service, Drain Cleaning | 5.0★ (1) | 15 mi |
| Saltwater Septic Tank Pumping Service | 5.0★ (2) | 10 mi |
| SAVIOUR SEPTIC, LLC | 5.0★ (1) | 25 mi |
| Shoreline Septic & Excavation | 5.0★ (1) | In Madison |
| Suffolk County Cesspool | 3.5★ (2) | 25 mi |
| Suffolk County Cesspool | 24 Hour-Cesspool Pumping & Service | 5.0★ (1) | 25 mi |
| Testori Brothers Excavation | 5.0★ (1) | In Madison |
| Webster Septic Tank Service | 5.0★ (1) | 20 mi |
| Wilson Septic Service LLC | 1.0★ (1) | In Madison |
How we ranked Madison septic service companies
We scored 88 Madison 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 Madison 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 Madison: frequently asked questions
Who is the best septic service company in Madison?
By CR Score, the highest-ranked septic service company in Madison, CT is Anderson Bros Sanitation & Excavating Inc with a CR Score of 63/100. It has 4.9★ from 111 Google reviews. It is open 24/7. Modern Home Inspections LLC (#2) and Septic System Solutions Higganum- Vincent Madore (#3) follow. We ranked 88 septic service companies on ten factors, last updated November 2, 2026.
How many septic service companies are there in Madison?
ContractorsRanked ranks 88 septic service companies serving Madison, CT. 4 of them are based in Madison; 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 Madison are open 24/7?
30 ranked septic service companies in Madison post 24/7 hours. The highest-ranked are Anderson Bros Sanitation & Excavating Inc (#1), Septic System Solutions Higganum- Vincent Madore (#3) and Mr. Rooter Plumbing of South Central Connecticut (#4). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Madison work on weekends?
52 of 88 ranked septic service companies post Saturday hours and 38 post Sunday hours. The highest-ranked open Saturdays are Anderson Bros Sanitation & Excavating Inc (#1), Modern Home Inspections LLC (#2) and Septic System Solutions Higganum- Vincent Madore (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Madison septic service companies have?
The median Google rating among 88 rated septic service companies in Madison is 4.9★, with a median of 18 reviews. Drainworks Plumbing & Septic LLC has the most, 1,362 reviews, and ranks #32. 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 Madison count in this ranking?
Yes, if they are within 25 mi of the Madison 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 Madison
- November 2026: CR Scores recalculated for 88 septic service companies serving Madison.
- November 2026: 1 duplicate listing merged.
More septic service companies and Madison pages
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