61/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 1,423 Google reviews, the most in Mokena.
Best Septic Service Companies in Mokena, IL (2026)
167 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Mokena: Kevin Szabo Jr Plumbing and Sewer, CR Score 61/100; 4.9★ from 1,423 Google reviews; open 7 days a week.
- 2
Best for emergencies (open 24/7): Neighborhood Rooter Express \ Plumbing and Sewer Experts, posts 24/7 hours; ranked #2 of 167.
- 10
Most-reviewed: ABC Plumbing, Sewer, Heating, Cooling & Electric, 1,107 Google reviews at 4.8★, the most of 167 ranked after Kevin Szabo Jr Plumbing and Sewer; ranked #10.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
167 Mokena septic service companies are ranked here by CR Score, from ten published factors. 96 are open 24/7, 120 open Saturdays and 101 open Sundays, based on posted hours. The median Google rating is 4.8★ across 167 rated businesses.
Top 10 septic service companies in Mokena at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Kevin Szabo Jr Plumbing and Sewer | 61 | 4.9★ (1,423) | Tinley Park, 7 mi away | Sat · Sun · Evenings | Overall |
| 2 | Neighborhood Rooter Express \ Plumbing and Sewer Experts | 61 | 5.0★ (173) | Frankfort, 2 mi away | 24/7 | Emergencies |
| 3 | J. Blanton Plumbing, Sewer & Drain | 60 | 4.8★ (174) | Mokena | 24/7 | — |
| 4 | FreeFlow Environmental of Cook County | 59 | 4.9★ (32) | Tinley Park, 7 mi away | 24/7 | — |
| 5 | J. Blanton Plumbing, Sewer & Drain | 59 | 4.9★ (321) | Joliet, 10 mi away | 24/7 | — |
| 6 | Brilliant Plumbers: Sewage, Sump Pumps And Sewer | 59 | 5.0★ (375) | Chicago Ridge, 14 mi away | 24/7 | — |
| 7 | B & D Plumbing And Sewer Service, Inc. | 59 | 5.0★ (232) | Frankfort, 11 mi away | 24/7 | — |
| 8 | J. Blanton Plumbing, Sewer & Drain | 59 | 4.8★ (157) | Tinley Park, 4 mi away | 24/7 | — |
| 9 | H2Flo Plumbing and Sewer LLC | 59 | 4.7★ (155) | Frankfort, 4 mi away | 24/7 | — |
| 10 | ABC Plumbing, Sewer, Heating, Cooling & Electric | 58 | 4.8★ (1,107) | Downers Grove, 21 mi away | 24/7 | Most reviews |
The 167 best septic service companies in Mokena, 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 Frankfort, 2 mi away
61/100CR ScoreRanked #2 because of its Google rating and review volume: 5.0★ from 173 Google reviews.
Based in Mokena
60/100CR ScoreRanked #3 because of its Google rating and review volume: 4.8★ from 174 Google reviews.
Based in Tinley Park, 7 mi away
59/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 32 Google reviews, listed on Google as “Septic system service”.
Based in Joliet, 10 mi away
59/100CR ScoreRanked #5 because of its Google rating and review volume: 4.9★ from 321 Google reviews.
Based in Chicago Ridge, 14 mi away
59/100CR ScoreRanked #6 because of its Google rating and review volume: 5.0★ from 375 Google reviews.
Based in Frankfort, 11 mi away
59/100CR ScoreRanked #7 because of its Google rating and review volume: 5.0★ from 232 Google reviews.
Based in Tinley Park, 4 mi away
59/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.8★ from 157 Google reviews, listed on Google as “Plumber”.
Based in Frankfort, 4 mi away
59/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.7★ from 155 Google reviews, listed on Google as “Plumber”.
Based in Downers Grove, 21 mi away
58/100CR ScoreRanked #10 because of its Google rating and review volume: 4.8★ from 1,107 Google reviews.
Based in Country Club Hills, 12 mi away
58/100CR ScoreRanked #11 because of its Google rating and review volume: 5.0★ from 180 Google reviews.
Based in Manteno, 20 mi away
58/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 212 Google reviews, listed on Google as “Septic system service”.
Based in Bolingbrook, 15 mi away
58/100CR ScoreRanked #13 because of its Google rating and review volume: 4.9★ from 306 Google reviews.
Based in Orland Park, 5 mi away
57/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 51 Google reviews, listed on Google as “Plumber”.
Based in Crestwood, 13 mi away
57/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 136 Google reviews, listed on Google as “Plumber”.
Based in Brookfield, 20 mi away
57/100CR ScoreRanked #16 because of its Google rating and review volume: 4.9★ from 327 Google reviews.
Based in Oak Forest, 9 mi away
56/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 58 Google reviews, listed on Google as “Plumber”.
Based in Hinsdale, 20 mi away
56/100CR ScoreRanked #18 because of its Google rating and review volume: 4.9★ from 270 Google reviews.
Based in Naperville, 22 mi away
56/100CR ScoreRanked #19 because of its Google rating and review volume: 4.8★ from 413 Google reviews.
Based in Bridgeview, 15 mi away
56/100CR ScoreRanked #20 because of its Google rating and review volume: 4.7★ from 175 Google reviews.
Based in Evergreen Park, 13 mi away
56/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.8★ from 97 Google reviews, listed on Google as “Plumber”.
Based in Bourbonnais, 23 mi away
56/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.8★ from 52 Google reviews, listed on Google as “Septic system service”.
Based in Chicago Ridge, 13 mi away
56/100CR ScoreRanked #23 because of its Google rating and review volume: 4.6★ from 172 Google reviews.
Based in Clarendon Hills, 19 mi away
56/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 126 Google reviews, listed on Google as “Plumber”.
Based in Cicero, 14 mi away
56/100CR ScoreRanked #25 because of its Google rating and review volume: 5.0★ from 384 Google reviews.
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 167 ranked septic service companies here; the rest are on their profiles.
Also serving Mokena
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 |
|---|---|---|
| Acme Plumbing & Sewer Services | 1.0★ (1) | 25 mi |
| B&D Sewer. Underground Construction. | 1.0★ (1) | 23 mi |
| Bisping Construction | 3.0★ (2) | 5 mi |
| Carl's Septic Services Inc | 5.0★ (1) | 18 mi |
| Erris Sewer and Plumbing | 5.0★ (2) | 18 mi |
| H & R Sewer & Water Construction Inc | 5.0★ (1) | 11 mi |
| HQ Plumbing and Sewer | 5.0★ (1) | 23 mi |
| Karl Meyer Expert Plumbing | 5.0★ (1) | 15 mi |
| McCoy Sewers Inc. | 5.0★ (2) | 16 mi |
| Midwest Hydro Jetting And Sewer Service | 5.0★ (1) | 22 mi |
| MJ's Plumbing and Sewer | 5.0★ (2) | 6 mi |
| Neighborhood Rooter Express \ Plumbing and Sewer Experts | 5.0★ (1) | 6 mi |
| Neptune Sewer Services Sludge | 5.0★ (1) | 22 mi |
| O'Brien Family Sewer and Plumbing Services | 5.0★ (1) | 14 mi |
| root-x sewer and drain and home repair | 4.0★ (2) | 16 mi |
| Roots Plumbing and Sewer Contractors | 5.0★ (2) | 18 mi |
| Simply Sewers & Water | 5.0★ (2) | 13 mi |
| Stay Dry Sewers | 5.0★ (2) | 25 mi |
| United Site Services | 1.0★ (2) | 16 mi |
| Visu-Sewer of Illinois, LLC | 5.0★ (2) | 15 mi |
How we ranked Mokena septic service companies
We scored 167 Mokena 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 Mokena 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 Mokena: frequently asked questions
Who is the best septic service company in Mokena?
By CR Score, the highest-ranked septic service company in Mokena, IL is Kevin Szabo Jr Plumbing and Sewer with a CR Score of 61/100. It has 4.9★ from 1,423 Google reviews. It is open 7 days a week. Neighborhood Rooter Express \ Plumbing and Sewer Experts (#2) and J. Blanton Plumbing, Sewer & Drain (#3) follow. We ranked 167 septic service companies on ten factors, last updated November 2, 2026.
How many septic service companies are there in Mokena?
ContractorsRanked ranks 167 septic service companies serving Mokena, IL. 1 of them is based in Mokena; 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 Mokena are open 24/7?
96 ranked septic service companies in Mokena post 24/7 hours. The highest-ranked are Neighborhood Rooter Express \ Plumbing and Sewer Experts (#2), J. Blanton Plumbing, Sewer & Drain (#3) and FreeFlow Environmental of Cook County (#4). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Mokena work on weekends?
120 of 167 ranked septic service companies post Saturday hours and 101 post Sunday hours. The highest-ranked open Saturdays are Kevin Szabo Jr Plumbing and Sewer (#1), Neighborhood Rooter Express \ Plumbing and Sewer Experts (#2) and J. Blanton Plumbing, Sewer & Drain (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Mokena septic service companies have?
The median Google rating among 167 rated septic service companies in Mokena is 4.8★, with a median of 36 reviews. Kevin Szabo Jr Plumbing and Sewer has the most, 1,423 reviews, and ranks #1. 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 Mokena count in this ranking?
Yes, if they are within 25 mi of the Mokena 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 Mokena
- November 2026: CR Scores recalculated for 167 septic service companies serving Mokena.
- November 2026: 1 duplicate listing merged.
More septic service companies and Mokena pages
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