63/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 477 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 Radnor, PA (2026)
67 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Radnor: Delaware Valley Septic, Sewer & Storm, CR Score 63/100; 4.9★ from 477 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Mattioni Plumbing, Heating & Cooling, posts 24/7 hours; ranked #2 of 67.
- 11
Most-reviewed: Mattioni Plumbing, Heating & Cooling, 3,621 Google reviews at 4.8★, the most of 67 ranked; ranked #11.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
67 Radnor septic service companies are ranked here by CR Score, from ten published factors. 46 are open 24/7, 54 open Saturdays and 48 open Sundays, based on posted hours. The median Google rating is 4.9★ across 67 rated businesses.
Top 10 septic service companies in Radnor at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Delaware Valley Septic, Sewer & Storm | 63 | 4.9★ (477) | Springfield, 7 mi away | 24/7 | Overall |
| 2 | Mattioni Plumbing, Heating & Cooling | 60 | 5.0★ (667) | King of Prussia, 1 mi away | 24/7 | Emergencies |
| 3 | TLC Drain, Sewer, and Water Cleanup | 60 | 4.8★ (800) | King of Prussia, 8 mi away | 24/7 | — |
| 4 | OnSite Management, Inc. | 59 | 4.9★ (83) | West Chester, 13 mi away | 24/7 | — |
| 5 | Wind River Environmental of Swedesboro, NJ | 58 | 5.0★ (138) | Pennsville, 21 mi away | 24/7 | — |
| 6 | Preston Heckler Liquid Disposal LLC | 58 | 4.9★ (58) | Limerick, 15 mi away | 24/7 | — |
| 7 | McGovern Septic | 58 | 4.6★ (32) | West Chester, 9 mi away | 24/7 | — |
| 8 | Gray Brothers Septic Services & Portable Restrooms - Montgomery, Chester, Delaware and Philadelphia Counties | 57 | 4.5★ (47) | Phoenixville, 13 mi away | 24/7 | — |
| 9 | Plumbing Boys | 57 | 4.6★ (31) | Philadelphia, 12 mi away | 24/7 | — |
| 10 | Mattioni Plumbing, Heating & Cooling | 57 | 5.0★ (493) | Phoenixville, 10 mi away | 24/7 | — |
The 67 best septic service companies in Radnor, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in King of Prussia, 1 mi away
60/100CR ScoreRanked #2 because of its Google rating and review volume: 5.0★ from 667 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in King of Prussia, 8 mi away
60/100CR ScoreRanked #3 because of its Google rating and review volume: 4.8★ from 800 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in West Chester, 13 mi away
59/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 83 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pennsville, 21 mi away
58/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 138 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Limerick, 15 mi away
58/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 58 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in West Chester, 9 mi away
58/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.6★ from 32 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Phoenixville, 13 mi away
57/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.5★ 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 Philadelphia, 12 mi away
57/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.6★ from 31 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Phoenixville, 10 mi away
57/100CR ScoreRanked #10 because of its Google rating and review volume: 5.0★ from 493 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Downingtown, 18 mi away
57/100CR ScoreRanked #11 because of its Google rating and review volume: 4.8★ from 3,621 Google reviews, the most in Radnor.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Montgomeryville, 17 mi away
57/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.6★ from 56 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Trooper, 9 mi away
57/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in West Chester, 14 mi away
57/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.8★ from 20 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#15 Eldredge Septic
Based in Coatesville, 23 mi away
57/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 1,278 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oreland, 11 mi away
56/100CR ScoreRanked #16 because of its Google rating and review volume: 4.9★ from 546 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Philadelphia, 16 mi away
56/100CR ScoreRanked #17 because of its Google rating and review volume: 4.7★ from 491 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Norristown, 5 mi away
56/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pennsauken, 17 mi away
56/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 163 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Radnor
56/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Hatboro, 19 mi away
56/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 195 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hopatcong Hills, 15 mi away
56/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Limerick, 20 mi away
55/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in King of Prussia, 3 mi away
55/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#25 The Sewer Kings
Based in Camden, 23 mi away
55/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 18 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 67 ranked septic service companies here; the rest are on their profiles.
Also serving Radnor
12 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 |
|---|---|---|
| A G Sewer Repair, LLC | 4.0★ (1) | 17 mi |
| Abbadusky Environmental Services | 5.0★ (1) | 16 mi |
| Aston-Mauger Contracting, Inc | 24 mi | |
| B Neil Gentry Excavating | 17 mi | |
| Carneys Point Twp Sewerage | 23 mi | |
| Earthcare | 25 mi | |
| Ingram's Drain & Sewer Cleaning | 12 mi | |
| Joseph A. Cuzzupe & Company, INC. | 5.0★ (2) | 22 mi |
| Parker Wastewater Consulting, Inc. | 5.0★ (1) | In Radnor |
| Robbins Septic Service | 21 mi | |
| Water Heaters Philadelphia | 12 mi | |
| Watson Plumbing & Heating Inc. | 5.0★ (2) | 23 mi |
How we ranked Radnor septic service companies
We scored 67 Radnor 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 3, 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 Radnor 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 Radnor: frequently asked questions
Who is the best septic service company in Radnor?
By CR Score, the highest-ranked septic service company in Radnor, PA is Delaware Valley Septic, Sewer & Storm with a CR Score of 63/100. It has 4.9★ from 477 Google reviews. It is open 24/7. Mattioni Plumbing, Heating & Cooling (#2) and TLC Drain, Sewer, and Water Cleanup (#3) follow. We ranked 67 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Radnor?
ContractorsRanked ranks 67 septic service companies serving Radnor, PA. 1 of them is based in Radnor; the rest serve it from nearby towns. Another 12 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Radnor are open 24/7?
46 ranked septic service companies in Radnor post 24/7 hours. The highest-ranked are Delaware Valley Septic, Sewer & Storm (#1), Mattioni Plumbing, Heating & Cooling (#2) and TLC Drain, Sewer, and Water Cleanup (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Radnor work on weekends?
54 of 67 ranked septic service companies post Saturday hours and 48 post Sunday hours. The highest-ranked open Saturdays are Delaware Valley Septic, Sewer & Storm (#1), Mattioni Plumbing, Heating & Cooling (#2) and TLC Drain, Sewer, and Water Cleanup (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Radnor septic service companies have?
The median Google rating among 67 rated septic service companies in Radnor is 4.9★, with a median of 28 reviews. Mattioni Plumbing, Heating & Cooling has the most, 3,621 reviews, and ranks #11. 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 Radnor count in this ranking?
Yes, if they are within 25 mi of the Radnor 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 Radnor
- November 2026: CR Scores recalculated for 67 septic service companies serving Radnor.
More septic service companies and Radnor pages
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