61/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 59 Google reviews, listed on Google as “Septic system service”.
Best Septic Service Companies in South Windsor, CT (2026)
93 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in South Windsor: The Christopher Bryant Co. LLC, CR Score 61/100; 4.9★ from 59 Google reviews; open 24/7.
- 4
Best for emergencies (open 24/7): Connecticut Septic LLC, posts 24/7 hours; ranked #4 of 93.
- 18
Most-reviewed: Drainworks Plumbing & Septic LLC, 1,362 Google reviews at 4.8★, the most of 93 ranked; ranked #18.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
93 South Windsor septic service companies are ranked here by CR Score, from ten published factors. 25 are open 24/7, 52 open Saturdays and 34 open Sundays, based on posted hours. The median Google rating is 4.8★ across 93 rated businesses.
Top 10 septic service companies in South Windsor at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | The Christopher Bryant Co. LLC | 61 | 4.9★ (59) | Hartford, 6 mi away | 24/7 | Overall |
| 2 | Septicology LLC | 61 | 4.9★ (891) | Hartford, 5 mi away | — | — |
| 3 | Skips Wastewater Services | 60 | 4.9★ (804) | Ellington, 9 mi away | — | — |
| 4 | Connecticut Septic LLC | 59 | 5.0★ (48) | Newington, 13 mi away | 24/7 | Emergencies |
| 5 | Modern Home Inspections LLC | 59 | 5.0★ (907) | Meriden, 23 mi away | Sat · Evenings | — |
| 6 | Drainage Experts LLC | 59 | 5.0★ (367) | Ellington, 10 mi away | — | — |
| 7 | ADB Construction & Septic Corp. | 58 | 4.8★ (99) | Manchester, 5 mi away | 24/7 | — |
| 8 | Connecticut Valley Septic Services | 57 | 4.7★ (17) | Enfield, 11 mi away | 24/7 | — |
| 9 | Modern Septic Co | 57 | 5.0★ (72) | West Torrington, 18 mi away | Sat · Sun | — |
| 10 | Sage Sewer & Septic LLC. | 57 | 5.0★ (5) | West Hartford, 7 mi away | 24/7 | — |
The 93 best septic service companies in South Windsor, 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.
Based in Hartford, 5 mi away
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 891 Google reviews, listed on Google as “Septic system service”.
Based in Ellington, 9 mi away
60/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 804 Google reviews, listed on Google as “Septic system service”.
Based in Newington, 13 mi away
59/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 48 Google reviews, listed on Google as “Septic system service”.
Based in Meriden, 23 mi away
59/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 907 Google reviews, listed on Google as “Septic system service”.
Based in Ellington, 10 mi away
59/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 367 Google reviews, listed on Google as “Septic system service”.
Based in Manchester, 5 mi away
58/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.8★ from 99 Google reviews, listed on Google as “Plumber”.
Based in Enfield, 11 mi away
57/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.7★ from 17 Google reviews, listed on Google as “Septic system service”.
Based in West Torrington, 18 mi away
57/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 72 Google reviews, listed on Google as “Septic system service”.
Based in West Hartford, 7 mi away
57/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Septic system service”.
Based in Glastonbury, 7 mi away
57/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.8★ from 14 Google reviews, listed on Google as “Septic system service”.
#12 B&B Septic LLC
Based in West Torrington, 18 mi away
56/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.8★ from 26 Google reviews, listed on Google as “Septic system service”.
Based in Hartford, 7 mi away
56/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Septic system service”.
Based in Simsbury Center, 6 mi away
56/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.8★ from 88 Google reviews, listed on Google as “Plumber”.
Based in East Haddam, 23 mi away
56/100CR ScoreRanked #15 because of its Google rating and review volume: 4.9★ from 220 Google reviews.
Based in Manchester, 6 mi away
56/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.6★ from 34 Google reviews, listed on Google as “Plumber”.
Based in Hartford, 6 mi away
55/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Plumber”.
Based in East Haddam, 21 mi away
54/100CR ScoreRanked #18 because of its Google rating and review volume: 4.8★ from 1,362 Google reviews, the most in South Windsor.
Based in Tolland, 19 mi away
54/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.7★ from 69 Google reviews, listed on Google as “Plumber”.
Based in West Hartford, 13 mi away
54/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.7★ from 20 Google reviews, listed on Google as “Septic system service”.
Based in East Hartford, 9 mi away
53/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.5★ from 13 Google reviews, listed on Google as “Plumber”.
Based in Westfield, 25 mi away
53/100CR ScoreRanked #22 because of its Google rating and review volume: 4.7★ from 703 Google reviews.
#23 The Drain Medic
Based in Newington, 11 mi away
53/100CR ScoreRanked #23 because of its Google rating and review volume: 4.5★ from 144 Google reviews.
Based in Wolcott, 25 mi away
53/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.1★ from 30 Google reviews, listed on Google as “Septic system service”.
Based in Meriden, 19 mi away
53/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.7★ from 30 Google reviews, listed on Google as “Septic system service”.
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 93 ranked septic service companies here; the rest are on their profiles.
Also serving South Windsor
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 |
|---|---|---|
| ABC Drain & Septic Tank Service | 5.0★ (1) | 9 mi |
| ABC Sewer & Drain Cleaning Services | 5.0★ (1) | 5 mi |
| Anytime Sewer & Drain Services | 1.0★ (1) | 18 mi |
| Bristol Septic Tank & Sewer | 5.0★ (1) | 20 mi |
| C & S Septic Services | 1.0★ (1) | 20 mi |
| CT Septic & Land Repair | 5.0★ (1) | 3 mi |
| Cunningham Construction | 5.0★ (2) | 25 mi |
| Delfino Septic Tank Services | 5.0★ (2) | 20 mi |
| Eastern Environmental Septic | 4.0★ (1) | 17 mi |
| Gale Construction Inc | 2.0★ (1) | 9 mi |
| H & M Septic Pumping Corporation | 5.0★ (1) | 14 mi |
| MBR2 Inc | 5.0★ (1) | 12 mi |
| Paul L Szewczyk Excavating Inc | 5.0★ (1) | 18 mi |
| Raymond Road Sewer & Drain | 4.0★ (1) | 8 mi |
| River Valley Construction Company, LLC | 5.0★ (1) | 20 mi |
| Simsbury Septic | 5.0★ (1) | 10 mi |
| United Rentals - Reliable Onsite Services | 5.0★ (2) | 23 mi |
| United Rentals - Reliable Onsite Services | 5.0★ (1) | 13 mi |
| United Site Services | 1.0★ (2) | 20 mi |
| Webster Septic Tank Service | 5.0★ (1) | 19 mi |
How we ranked South Windsor septic service companies
We scored 93 South Windsor 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 South Windsor 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 South Windsor: frequently asked questions
Who is the best septic service company in South Windsor?
By CR Score, the highest-ranked septic service company in South Windsor, CT is The Christopher Bryant Co. LLC with a CR Score of 61/100. It has 4.9★ from 59 Google reviews. It is open 24/7. Septicology LLC (#2) and Skips Wastewater Services (#3) follow. We ranked 93 septic service companies on ten factors, last updated November 2, 2026.
How many septic service companies are there in South Windsor?
ContractorsRanked ranks 93 septic service companies serving South Windsor, CT. 1 of them is based in South Windsor; 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 South Windsor are open 24/7?
25 ranked septic service companies in South Windsor post 24/7 hours. The highest-ranked are The Christopher Bryant Co. LLC (#1), Connecticut Septic LLC (#4) and ADB Construction & Septic Corp. (#7). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in South Windsor work on weekends?
52 of 93 ranked septic service companies post Saturday hours and 34 post Sunday hours. The highest-ranked open Saturdays are The Christopher Bryant Co. LLC (#1), Connecticut Septic LLC (#4) and Modern Home Inspections LLC (#5). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do South Windsor septic service companies have?
The median Google rating among 93 rated septic service companies in South Windsor is 4.8★, with a median of 16 reviews. Drainworks Plumbing & Septic LLC has the most, 1,362 reviews, and ranks #18. 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 South Windsor count in this ranking?
Yes, if they are within 25 mi of the South Windsor 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 South Windsor
- November 2026: CR Scores recalculated for 93 septic service companies serving South Windsor.
- November 2026: 1 duplicate listing merged.
More septic service companies and South Windsor pages
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