60/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 1,423 Google reviews.
Best Septic Service Companies in Oak Lawn, IL (2026)
246 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Oak Lawn: Kevin Szabo Jr Plumbing and Sewer, CR Score 60/100; 4.9★ from 1,423 Google reviews; open 7 days a week.
- 2
Best for emergencies (open 24/7): Brilliant Plumbers: Sewage, Sump Pumps And Sewer, posts 24/7 hours; ranked #2 of 246.
- 11
Most-reviewed: J. Blanton Plumbing, Sewer & Drain, 3,004 Google reviews at 4.6★, the most of 246 ranked; ranked #11.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
246 Oak Lawn septic service companies are ranked here by CR Score, from ten published factors. 143 are open 24/7, 187 open Saturdays and 152 open Sundays, based on posted hours. The median Google rating is 4.8★ across 246 rated businesses.
Top 10 septic service companies in Oak Lawn at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Kevin Szabo Jr Plumbing and Sewer | 60 | 4.9★ (1,423) | Tinley Park, 9 mi away | Sat · Sun · Evenings | Overall |
| 2 | Brilliant Plumbers: Sewage, Sump Pumps And Sewer | 59 | 5.0★ (375) | Chicago Ridge, 10 mi away | 24/7 | Emergencies |
| 3 | Suburban Plumbing Sewer Line and Drain Cleaning Experts | 59 | 4.9★ (327) | Brookfield, 8 mi away | 24/7 | — |
| 4 | ABC Plumbing, Sewer, Heating, Cooling & Electric | 59 | 4.8★ (1,107) | Downers Grove, 15 mi away | 24/7 | — |
| 5 | FreeFlow Environmental of Cook County | 59 | 4.9★ (32) | Tinley Park, 8 mi away | 24/7 | — |
| 6 | Affordable Sewer And Plumbing | 58 | 5.0★ (180) | Country Club Hills, 8 mi away | 24/7 | — |
| 7 | B & D Plumbing And Sewer Service, Inc. | 58 | 5.0★ (232) | Frankfort, 10 mi away | 24/7 | — |
| 8 | A Solution Sewer & Plumbing Inc. | 58 | 4.7★ (175) | Bridgeview, 3 mi away | 24/7 | — |
| 9 | Walsh & Son Plumbing and Sewer | 58 | 5.0★ (384) | Cicero, 1 mi away | Sat | — |
| 10 | R Difoggio & Sam Plumbing And Sewer Company, Inc. | 58 | 4.6★ (172) | Chicago Ridge, 1 mi away | 24/7 | — |
The 246 best septic service companies in Oak Lawn, 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 Chicago Ridge, 10 mi away
59/100CR ScoreRanked #2 because of its Google rating and review volume: 5.0★ from 375 Google reviews.
Based in Brookfield, 8 mi away
59/100CR ScoreRanked #3 because of its Google rating and review volume: 4.9★ from 327 Google reviews.
Based in Downers Grove, 15 mi away
59/100CR ScoreRanked #4 because of its Google rating and review volume: 4.8★ from 1,107 Google reviews.
Based in Tinley Park, 8 mi away
59/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 32 Google reviews, listed on Google as “Septic system service”.
Based in Country Club Hills, 8 mi away
58/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 180 Google reviews, listed on Google as “Plumber”.
Based in Frankfort, 10 mi away
58/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 232 Google reviews, listed on Google as “Plumber”.
Based in Bridgeview, 3 mi away
58/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.7★ from 175 Google reviews, listed on Google as “Plumber”.
Based in Cicero, 1 mi away
58/100CR ScoreRanked #9 because of its Google rating and review volume: 5.0★ from 384 Google reviews.
Based in Chicago Ridge, 1 mi away
58/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.6★ from 172 Google reviews, listed on Google as “Plumber”.
Based in Chicago, 19 mi away
58/100CR ScoreRanked #11 because of its Google rating and review volume: 4.6★ from 3,004 Google reviews, the most in Oak Lawn.
Based in Hinsdale, 11 mi away
58/100CR ScoreRanked #12 because of its Google rating and review volume: 4.9★ from 270 Google reviews.
Based in Elmhurst, 17 mi away
58/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 59 Google reviews, listed on Google as “Septic system service”.
Based in Lyons, 8 mi away
58/100CR ScoreRanked #14 because of its Google rating and review volume: 4.7★ from 282 Google reviews.
Based in Countryside, 4 mi away
57/100CR ScoreRanked #15 because of its Google rating and review volume: 4.4★ from 420 Google reviews.
Based in Lyons, 8 mi away
57/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.7★ from 255 Google reviews, listed on Google as “Plumber”.
Based in Forest Park, 3 mi away
57/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 53 Google reviews, listed on Google as “Plumber”.
Based in Crestwood, 9 mi away
57/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.9★ from 136 Google reviews, listed on Google as “Plumber”.
Based in Brookfield, 8 mi away
57/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ from 110 Google reviews, listed on Google as “Plumber”.
Based in West Lawn, 4 mi away
57/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 46 Google reviews, listed on Google as “Plumber”.
Based in Bolingbrook, 16 mi away
57/100CR ScoreRanked #21 because of its Google rating and review volume: 4.9★ from 306 Google reviews.
Based in Cicero, 4 mi away
57/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.6★ from 114 Google reviews, listed on Google as “Plumber”.
Based in Chicago, 16 mi away
57/100CR ScoreRanked #23 because of its Google rating and review volume: 4.9★ from 275 Google reviews.
Based in Dolton, 2 mi away
56/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.7★ from 52 Google reviews, listed on Google as “Plumber”.
Based in Tinley Park, 11 mi away
56/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.8★ from 157 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 246 ranked septic service companies here; the rest are on their profiles.
Also serving Oak Lawn
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 |
|---|---|---|
| A. Metz, Sewer Inc. | 5.0★ (2) | 24 mi |
| Acme Plumbing & Sewer Services | 1.0★ (1) | 11 mi |
| Bisping Construction | 3.0★ (2) | 19 mi |
| Carl's Septic Services Inc | 5.0★ (1) | 14 mi |
| Erris Sewer and Plumbing | 5.0★ (2) | 9 mi |
| H & R Sewer & Water Construction Inc | 5.0★ (1) | 12 mi |
| HQ Plumbing and Sewer | 5.0★ (1) | 9 mi |
| Karl Meyer Expert Plumbing | 5.0★ (1) | 4 mi |
| McCoy Sewers Inc. | 5.0★ (2) | 11 mi |
| Midwest Hydro Jetting And Sewer Service | 5.0★ (1) | 8 mi |
| MJ's Plumbing and Sewer | 5.0★ (2) | 12 mi |
| Neptune Sewer Services Sludge | 5.0★ (1) | 9 mi |
| North Shore Sewerage-Drng Co | 5.0★ (2) | 17 mi |
| O'Brien Family Sewer and Plumbing Services | 5.0★ (1) | 5 mi |
| root-x sewer and drain and home repair | 4.0★ (2) | 5 mi |
| Roots Plumbing and Sewer Contractors | 5.0★ (2) | 3 mi |
| Sewertech Services | 5.0★ (1) | 13 mi |
| Simply Sewers & Water | 5.0★ (2) | 9 mi |
| Stay Dry Sewers | 5.0★ (2) | 11 mi |
| Visu-Sewer of Illinois, LLC | 5.0★ (2) | 3 mi |
How we ranked Oak Lawn septic service companies
We scored 246 Oak Lawn 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 Oak Lawn 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 Oak Lawn: frequently asked questions
Who is the best septic service company in Oak Lawn?
By CR Score, the highest-ranked septic service company in Oak Lawn, IL is Kevin Szabo Jr Plumbing and Sewer with a CR Score of 60/100. It has 4.9★ from 1,423 Google reviews. It is open 7 days a week. Brilliant Plumbers: Sewage, Sump Pumps And Sewer (#2) and Suburban Plumbing Sewer Line and Drain Cleaning Experts (#3) follow. We ranked 246 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Oak Lawn?
ContractorsRanked ranks 246 septic service companies serving Oak Lawn, IL. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Oak Lawn are open 24/7?
143 ranked septic service companies in Oak Lawn post 24/7 hours. The highest-ranked are Brilliant Plumbers: Sewage, Sump Pumps And Sewer (#2), Suburban Plumbing Sewer Line and Drain Cleaning Experts (#3) and ABC Plumbing, Sewer, Heating, Cooling & Electric (#4). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Oak Lawn work on weekends?
187 of 246 ranked septic service companies post Saturday hours and 152 post Sunday hours. The highest-ranked open Saturdays are Kevin Szabo Jr Plumbing and Sewer (#1), Brilliant Plumbers: Sewage, Sump Pumps And Sewer (#2) and Suburban Plumbing Sewer Line and Drain Cleaning Experts (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Oak Lawn septic service companies have?
The median Google rating among 246 rated septic service companies in Oak Lawn is 4.8★, with a median of 36 reviews. J. Blanton Plumbing, Sewer & Drain has the most, 3,004 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 Oak Lawn count in this ranking?
Yes, if they are within 25 mi of the Oak Lawn 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 Oak Lawn
- November 2026: CR Scores recalculated for 246 septic service companies serving Oak Lawn.
- November 2026: 1 duplicate listing merged.
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