62/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 382 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 Killingly Center, CT (2026)
75 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Killingly Center: JL Darling Septic Tank Pumping, CR Score 62/100; 5.0★ from 382 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Parent Sanitation, a Wind River Company, posts 24/7 hours; ranked #2 of 75.
- 9
Most-reviewed: Mr. Rooter Plumbing of Rhode Island, 1,027 Google reviews at 4.9★, the most of 75 ranked; ranked #9.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
75 Killingly Center septic service companies are ranked here by CR Score, from ten published factors. 19 are open 24/7, 39 open Saturdays and 26 open Sundays, based on posted hours. The median Google rating is 4.8★ across 75 rated businesses.
Top 10 septic service companies in Killingly Center at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | JL Darling Septic Tank Pumping | 62 | 5.0★ (382) | Uxbridge, 19 mi away | 24/7 | Overall |
| 2 | Parent Sanitation, a Wind River Company | 62 | 4.8★ (85) | Putnam, 4 mi away | 24/7 | Emergencies |
| 3 | HAWKINS MAINTENANCE LLC. | 60 | 5.0★ (40) | Plainfield, 10 mi away | 24/7 | — |
| 4 | DownEast Title V Inspections, LLC | 58 | 5.0★ (47) | Haverhill, 17 mi away | 24/7 | — |
| 5 | Stone Building Systems, LLC - Septic Repairs & Installation | 58 | 5.0★ (11) | Killingly Center | Sat · Sun · Evenings | — |
| 6 | 365 Septic, LLC | 57 | 5.0★ (32) | Windham, 11 mi away | Sat · Sun | — |
| 7 | ADC Septic | 57 | 4.7★ (53) | Blackstone, 21 mi away | 24/7 | — |
| 8 | Marchand Environmental | 56 | 4.7★ (329) | Blackstone, 14 mi away | — | — |
| 9 | Mr. Rooter Plumbing of Rhode Island | 56 | 4.9★ (1,027) | Warwick, 24 mi away | 24/7 | Most reviews |
| 10 | Flushaway Septic Tank Cleaning INC | 56 | 4.8★ (39) | Norwich, 18 mi away | Sat · Sun | — |
The 75 best septic service companies in Killingly Center, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Putnam, 4 mi away
62/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 85 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Plainfield, 10 mi away
60/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 40 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Haverhill, 17 mi away
58/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ 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 Killingly Center
58/100CR ScoreRanked #5 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 Windham, 11 mi away
57/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#7 ADC Septic
Based in Blackstone, 21 mi away
57/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.7★ from 53 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Blackstone, 14 mi away
56/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.7★ from 329 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Warwick, 24 mi away
56/100CR ScoreRanked #9 because of its Google rating and review volume: 4.9★ from 1,027 Google reviews, the most in Killingly Center.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Norwich, 18 mi away
56/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.8★ from 39 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mansfield City, 11 mi away
55/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 20 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Coventry, 10 mi away
55/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in East Providence, 19 mi away
55/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 73 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Millbury, 24 mi away
55/100CR ScoreRanked #14 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 Charlton, 22 mi away
55/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 105 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Wallingford Center, 10 mi away
54/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.8★ from 51 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Johnston, 18 mi away
54/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.7★ from 59 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Providence, 21 mi away
54/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Charlton, 19 mi away
54/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pawtucket, 25 mi away
54/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 77 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Haverhill, 17 mi away
54/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 30 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Tolland, 21 mi away
53/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.7★ from 69 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#23 Saviour Septic
Based in Norwich, 21 mi away
53/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.8★ from 123 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Providence, 23 mi away
53/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ledyard, 21 mi away
53/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.9★ from 32 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 75 ranked septic service companies here; the rest are on their profiles.
Also serving Killingly Center
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 |
|---|---|---|
| All Clean Inc | 3.0★ (2) | 25 mi |
| American Rooter | 4 mi | |
| American Rooter | 15 mi | |
| Audet Septic Services | 5.0★ (1) | In Killingly Center |
| Blue Line Septic | 5.0★ (2) | 15 mi |
| CDM Septic & Construction | 1.0★ (1) | 24 mi |
| D Kyle Stearns Contracting Inc | 15 mi | |
| Eastern Environmental Septic | 4.0★ (1) | 25 mi |
| Hilltop Contractors, LLC | 5.0★ (2) | 5 mi |
| Jonathan P. Arpin, LLC | 5.0★ (1) | 20 mi |
| L H Sewerage Inc | 5.0★ (2) | 19 mi |
| M G Stanick Septic Pumping Services | 4.5★ (2) | 17 mi |
| P & M Asphalt Services Inc | 1.0★ (1) | 23 mi |
| Septi-Cate Services | 1.0★ (1) | 14 mi |
| Septic Systems | 7 mi | |
| Slims & Berthiaume Sewer Service Inc | 5.0★ (2) | In Killingly Center |
| stamped concrete, concrete flatwork | 11 mi | |
| Stula Enterprises LLC | 5.0★ (1) | 10 mi |
| Tech 1 Plumbing & Heating | 1.0★ (1) | 21 mi |
| United Site Services | 1.0★ (2) | 21 mi |
How we ranked Killingly Center septic service companies
We scored 75 Killingly Center 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 Killingly Center 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 Killingly Center: frequently asked questions
Who is the best septic service company in Killingly Center?
By CR Score, the highest-ranked septic service company in Killingly Center, CT is JL Darling Septic Tank Pumping with a CR Score of 62/100. It has 5.0★ from 382 Google reviews. It is open 24/7. Parent Sanitation, a Wind River Company (#2) and HAWKINS MAINTENANCE LLC. (#3) follow. We ranked 75 septic service companies on ten factors, last updated November 2, 2026.
How many septic service companies are there in Killingly Center?
ContractorsRanked ranks 75 septic service companies serving Killingly Center, CT. 1 of them is based in Killingly Center; 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 Killingly Center are open 24/7?
19 ranked septic service companies in Killingly Center post 24/7 hours. The highest-ranked are JL Darling Septic Tank Pumping (#1), Parent Sanitation, a Wind River Company (#2) and HAWKINS MAINTENANCE LLC. (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Killingly Center work on weekends?
39 of 75 ranked septic service companies post Saturday hours and 26 post Sunday hours. The highest-ranked open Saturdays are JL Darling Septic Tank Pumping (#1), Parent Sanitation, a Wind River Company (#2) and HAWKINS MAINTENANCE LLC. (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Killingly Center septic service companies have?
The median Google rating among 75 rated septic service companies in Killingly Center is 4.8★, with a median of 20 reviews. Mr. Rooter Plumbing of Rhode Island has the most, 1,027 reviews, and ranks #9. 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 Killingly Center count in this ranking?
Yes, if they are within 25 mi of the Killingly Center 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 Killingly Center
- November 2026: CR Scores recalculated for 75 septic service companies serving Killingly Center.
More septic service companies and Killingly Center pages
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