60/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.8★ from 1,107 Google reviews, listed on Google as “HVAC contractor”.
Best Septic Service Companies in Downers Grove, IL (2026)
292 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Downers Grove: ABC Plumbing, Sewer, Heating, Cooling & Electric, CR Score 60/100; 4.8★ from 1,107 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Pro Services Plumbing, Drains, Sewer Lining, posts 24/7 hours; ranked #2 of 292.
- 6
Most-reviewed: ABC Plumbing, Sewer, Heating, Cooling & Electric, 22,524 Google reviews at 4.7★, the most of 292 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
292 Downers Grove septic service companies are ranked here by CR Score, from ten published factors. 174 are open 24/7, 219 open Saturdays and 182 open Sundays, based on posted hours. The median Google rating is 4.8★ across 292 rated businesses.
Top 10 septic service companies in Downers Grove at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | ABC Plumbing, Sewer, Heating, Cooling & Electric | 60 | 4.8★ (1,107) | Downers Grove | 24/7 | Overall |
| 2 | Pro Services Plumbing, Drains, Sewer Lining | 59 | 5.0★ (59) | Elmhurst, 8 mi away | 24/7 | Emergencies |
| 3 | Brilliant Plumbers: Sewage, Sump Pumps And Sewer | 58 | 5.0★ (375) | Chicago Ridge, 7 mi away | 24/7 | — |
| 4 | Mr. Rooter Plumbing of DuPage | 58 | 4.8★ (51) | Addison, 7 mi away | 24/7 | — |
| 5 | Jay's Plumbing & Sewer | 58 | 4.7★ (265) | Downers Grove | 24/7 | — |
| 6 | ABC Plumbing, Sewer, Heating, Cooling & Electric | 58 | 4.7★ (22,524) | Arlington Heights, 23 mi away | 24/7 | Most reviews |
| 7 | J. Blanton Plumbing, Sewer & Drain | 58 | 4.9★ (270) | Hinsdale, 5 mi away | 24/7 | — |
| 8 | Harmer Sewer Rodding | 57 | 5.0★ (126) | Clarendon Hills, 3 mi away | 24/7 | — |
| 9 | Journeymen Plumbing and Sewer LLC | 57 | 5.0★ (278) | Warrenville, 8 mi away | 24/7 | — |
| 10 | Ability Septic | 57 | 4.6★ (244) | Batavia, 15 mi away | 24/7 | — |
The 292 best septic service companies in Downers Grove, 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 Elmhurst, 8 mi away
59/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 59 Google reviews, listed on Google as “Septic system service”.
Based in Chicago Ridge, 7 mi away
58/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 375 Google reviews, listed on Google as “Plumber”.
Based in Addison, 7 mi away
58/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 51 Google reviews, listed on Google as “Septic system service”.
Based in Downers Grove
58/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.7★ from 265 Google reviews, listed on Google as “Plumber”.
Based in Arlington Heights, 23 mi away
58/100CR ScoreRanked #6 because of its Google rating and review volume: 4.7★ from 22,524 Google reviews, the most in Downers Grove.
Based in Hinsdale, 5 mi away
58/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 270 Google reviews, listed on Google as “Plumber”.
Based in Clarendon Hills, 3 mi away
57/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 126 Google reviews, listed on Google as “Plumber”.
Based in Warrenville, 8 mi away
57/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 278 Google reviews, listed on Google as “Plumber”.
#10 Ability Septic
Based in Batavia, 15 mi away
57/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.6★ from 244 Google reviews, listed on Google as “Septic system service”.
Based in Naperville, 8 mi away
57/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.8★ from 413 Google reviews, listed on Google as “Plumber”.
Based in Brookfield, 8 mi away
57/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 327 Google reviews, listed on Google as “Plumber”.
Based in Naperville, 7 mi away
57/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 156 Google reviews, listed on Google as “Plumber”.
Based in Bolingbrook, 8 mi away
57/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 306 Google reviews, listed on Google as “Plumber”.
Based in Arlington Heights, 23 mi away
57/100CR ScoreRanked #15 because of its Google rating and review volume: 4.9★ from 3,937 Google reviews.
Based in Crestwood, 8 mi away
56/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 136 Google reviews, listed on Google as “Plumber”.
Based in Elmhurst, 7 mi away
56/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.8★ from 149 Google reviews, listed on Google as “Plumber”.
Based in Lyons, 9 mi away
55/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.7★ from 282 Google reviews, listed on Google as “Plumber”.
Based in Brookfield, 8 mi away
55/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ from 110 Google reviews, listed on Google as “Plumber”.
Based in Lyons, 9 mi away
55/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.7★ from 255 Google reviews, listed on Google as “Plumber”.
Based in Wheaton, 6 mi away
55/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 52 Google reviews, listed on Google as “Plumber”.
Based in Hinsdale, 4 mi away
55/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.8★ from 53 Google reviews, listed on Google as “Plumber”.
Based in Evergreen Park, 8 mi away
55/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.8★ from 97 Google reviews, listed on Google as “Plumber”.
Based in Chicago, 21 mi away
55/100CR ScoreRanked #24 because of its Google rating and review volume: 4.6★ from 3,004 Google reviews.
Based in Downers Grove
55/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.8★ from 21 Google reviews, listed on Google as “Plumber”.
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 292 ranked septic service companies here; the rest are on their profiles.
Also serving Downers Grove
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 |
|---|---|---|
| Bisping Construction | 3.0★ (2) | 22 mi |
| Carl's Septic Services Inc | 5.0★ (1) | In Downers Grove |
| Cascade Plumbing and Sewer - Local Plumbers in River Grove, IL | 1.0★ (1) | 12 mi |
| Drain 911 Plumbing and Sewer Rodding | 3.0★ (2) | 20 mi |
| Erris Sewer and Plumbing | 5.0★ (2) | 24 mi |
| H & R Sewer & Water Construction Inc | 5.0★ (1) | 10 mi |
| HQ Plumbing and Sewer | 5.0★ (1) | 12 mi |
| Illinois American Plumbing and Sewer LLC | 5.0★ (1) | 5 mi |
| JAM Plumbing & Sewers | 5.0★ (1) | 11 mi |
| Just Drains Plumbing & Sewer | 5.0★ (1) | 12 mi |
| McCoy Sewers Inc. | 5.0★ (2) | 5 mi |
| MJ's Plumbing and Sewer | 5.0★ (2) | 23 mi |
| Neptune Sewer Services Sludge | 5.0★ (1) | 12 mi |
| North Shore Sewerage-Drng Co | 5.0★ (2) | 18 mi |
| root-x sewer and drain and home repair | 4.0★ (2) | 10 mi |
| Roots Plumbing and Sewer Contractors | 5.0★ (2) | 15 mi |
| Simply Sewers & Water | 5.0★ (2) | 8 mi |
| Stay Dry Sewers | 5.0★ (2) | 15 mi |
| United Site Services | 1.0★ (2) | 23 mi |
| Visu-Sewer of Illinois, LLC | 5.0★ (2) | 12 mi |
How we ranked Downers Grove septic service companies
We scored 292 Downers Grove 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 Downers Grove 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 Downers Grove: frequently asked questions
Who is the best septic service company in Downers Grove?
By CR Score, the highest-ranked septic service company in Downers Grove, IL is ABC Plumbing, Sewer, Heating, Cooling & Electric with a CR Score of 60/100. It has 4.8★ from 1,107 Google reviews. It is open 24/7. Pro Services Plumbing, Drains, Sewer Lining (#2) and Brilliant Plumbers: Sewage, Sump Pumps And Sewer (#3) follow. We ranked 292 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Downers Grove?
ContractorsRanked ranks 292 septic service companies serving Downers Grove, IL. 5 of them are based in Downers Grove; 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 Downers Grove are open 24/7?
174 ranked septic service companies in Downers Grove post 24/7 hours. The highest-ranked are ABC Plumbing, Sewer, Heating, Cooling & Electric (#1), Pro Services Plumbing, Drains, Sewer Lining (#2) and Brilliant Plumbers: Sewage, Sump Pumps And Sewer (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Downers Grove work on weekends?
219 of 292 ranked septic service companies post Saturday hours and 182 post Sunday hours. The highest-ranked open Saturdays are ABC Plumbing, Sewer, Heating, Cooling & Electric (#1), Pro Services Plumbing, Drains, Sewer Lining (#2) and Brilliant Plumbers: Sewage, Sump Pumps And Sewer (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Downers Grove septic service companies have?
The median Google rating among 292 rated septic service companies in Downers Grove is 4.8★, with a median of 37 reviews. ABC Plumbing, Sewer, Heating, Cooling & Electric has the most, 22,524 reviews, and ranks #6. 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 Downers Grove count in this ranking?
Yes, if they are within 25 mi of the Downers Grove 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 Downers Grove
- November 2026: CR Scores recalculated for 292 septic service companies serving Downers Grove.
- November 2026: 1 duplicate listing merged.
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