Ranked #1 in Lake Forest
Based in Arlington Heights, 11 mi away
60/100CR Score
Ranked #1 because of its Google rating and review volume: 4.7★ from 22,524 Google reviews, the most in Lake Forest.
Best Septic Service Companies in Lake Forest, IL (2026)
175 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Lake Forest: ABC Plumbing, Sewer, Heating, Cooling & Electric, CR Score 60/100; 4.7★ from 22,524 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Cahill Heating, Cooling, Electric, Plumbing & Sewer, posts 24/7 hours; ranked #2 of 175.
- 3
Most-reviewed: S and J Plumbing & Sewer, 3,937 Google reviews at 4.9★, the most of 175 ranked after ABC Plumbing, Sewer, Heating, Cooling & Electric; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
175 Lake Forest septic service companies are ranked here by CR Score, from ten published factors. 98 are open 24/7, 130 open Saturdays and 106 open Sundays, based on posted hours. The median Google rating is 4.9★ across 175 rated businesses.
Top 10 septic service companies in Lake Forest at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | ABC Plumbing, Sewer, Heating, Cooling & Electric | 60 | 4.7★ (22,524) | Arlington Heights, 11 mi away | 24/7 | Overall |
| 2 | Cahill Heating, Cooling, Electric, Plumbing & Sewer | 60 | 5.0★ (1,064) | Lake Bluff, 4 mi away | 24/7 | Emergencies |
| 3 | S and J Plumbing & Sewer | 59 | 4.9★ (3,937) | Arlington Heights, 12 mi away | 24/7 | Most reviews |
| 4 | Tidy Tank Plumbing, Sewer, and Septic | 59 | 4.9★ (1,127) | Crystal Lake, 24 mi away | 24/7 | — |
| 5 | BMW Plumbing & Sewer | 57 | 4.9★ (384) | Deerfield, 7 mi away | 24/7 | — |
| 6 | Capps Plumbing & Sewer Inc. | 57 | 4.7★ (1,332) | Wheeling, 10 mi away | 24/7 | — |
| 7 | Reliance Plumbing Sewer & Drainage, Inc. | 57 | 4.8★ (751) | Northbrook, 10 mi away | 24/7 | — |
| 8 | Ravinia Plumbing, Sewer, Heating & Electric | 57 | 4.9★ (3,148) | Lincolnshire, 7 mi away | Sat | — |
| 9 | Duane Blanton Plumbing, Sewer, Heating & Cooling | 57 | 4.7★ (2,290) | Round Lake, 15 mi away | 24/7 | — |
| 10 | Pitel Septic, Inc. | 56 | 4.9★ (79) | Woodstock, 5 mi away | Sat | — |
The 175 best septic service companies in Lake Forest, 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 Lake Bluff, 4 mi away
60/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 1,064 Google reviews, listed on Google as “HVAC contractor”.
Based in Arlington Heights, 12 mi away
59/100CR ScoreRanked #3 because of its Google rating and review volume: 4.9★ from 3,937 Google reviews.
Based in Crystal Lake, 24 mi away
59/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 1,127 Google reviews, listed on Google as “Septic system service”.
Based in Deerfield, 7 mi away
57/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 384 Google reviews, listed on Google as “Plumber”.
Based in Wheeling, 10 mi away
57/100CR ScoreRanked #6 because of its Google rating and review volume: 4.7★ from 1,332 Google reviews.
Based in Northbrook, 10 mi away
57/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.8★ from 751 Google reviews, listed on Google as “Plumber”.
Based in Lincolnshire, 7 mi away
57/100CR ScoreRanked #8 because of its Google rating and review volume: 4.9★ from 3,148 Google reviews.
Based in Round Lake, 15 mi away
57/100CR ScoreRanked #9 because of its Google rating and review volume: 4.7★ from 2,290 Google reviews.
Based in Woodstock, 5 mi away
56/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 79 Google reviews, listed on Google as “Septic system service”.
Based in Northbrook, 10 mi away
56/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.7★ from 496 Google reviews, listed on Google as “Plumber”.
Based in Gurnee, 8 mi away
56/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 103 Google reviews, listed on Google as “HVAC contractor”.
Based in Arlington Heights, 15 mi away
55/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.8★ from 549 Google reviews, listed on Google as “Plumber”.
Based in Highland Park, 5 mi away
55/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 50 Google reviews, listed on Google as “Plumber”.
Based in Skokie, 15 mi away
55/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 242 Google reviews, listed on Google as “Plumber”.
Based in Evanston, 17 mi away
55/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.8★ from 700 Google reviews, listed on Google as “Plumber”.
Based in Arlington Heights, 14 mi away
55/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 261 Google reviews, listed on Google as “Plumber”.
Based in Fox Lake, 19 mi away
55/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.9★ from 639 Google reviews, listed on Google as “Plumber”.
Based in Gurnee, 9 mi away
55/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.7★ from 184 Google reviews, listed on Google as “Plumber”.
Based in Round Lake, 14 mi away
55/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 149 Google reviews, listed on Google as “Plumber”.
Based in Chicago, 21 mi away
55/100CR ScoreRanked #21 because of its Google rating and review volume: 4.6★ from 3,004 Google reviews.
Based in Elmhurst, 24 mi away
55/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 59 Google reviews, listed on Google as “Septic system service”.
Based in Antioch, 18 mi away
55/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.7★ from 887 Google reviews, listed on Google as “Plumber”.
Based in Lake Bluff, 4 mi away
55/100CR ScoreRanked #24 because of its Google rating and review volume: 4.8★ from 236 Google reviews.
Based in Skokie, 16 mi away
55/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 159 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 175 ranked septic service companies here; the rest are on their profiles.
Also serving Lake Forest
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 Better Plumber & Sewer Company Inc. | 5.0★ (1) | 20 mi |
| Apex Plumbing Pros LLC | 5.0★ (2) | 22 mi |
| Berts Sewer and Drain Cleaning | 1.0★ (1) | 22 mi |
| Cascade Plumbing and Sewer - Local Plumbers in River Grove, IL | 1.0★ (1) | 23 mi |
| Illinois Sewer & Drain Inc | 5.0★ (1) | 11 mi |
| Just Drains Plumbing & Sewer | 5.0★ (1) | 22 mi |
| Mainline Sewer & Septic | 5.0★ (2) | 20 mi |
| North Shore Sewerage-Drng Co | 5.0★ (2) | 22 mi |
| Northshore Sewer & Drain | 8 mi | |
| Open-Drains | 5.0★ (1) | 18 mi |
| Park Ridge Sewer | 17 mi | |
| Ramon & Sons Sewer & Water Inc | 13 mi | |
| Raudel And Son Serna Plumbing, Sewer, And Water | 5.0★ (1) | 13 mi |
| Rooter Scooter Sewer and Drain | 19 mi | |
| Septic Tank Pumping of Arlington Heights | 15 mi | |
| Speed Plumbing Sewer and Drainage Inc. | 5.0★ (2) | 15 mi |
| The Septic Tank Guys | 5.0★ (1) | 19 mi |
| Tidy Tank Plumbing, Sewer, and Septic | 14 mi | |
| Viasa Plumbing & Sewer, Inc. | 15 mi | |
| Xpert Sewer and Drain | 19 mi |
How we ranked Lake Forest septic service companies
We scored 175 Lake Forest 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 Lake Forest 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 Lake Forest: frequently asked questions
Who is the best septic service company in Lake Forest?
By CR Score, the highest-ranked septic service company in Lake Forest, IL is ABC Plumbing, Sewer, Heating, Cooling & Electric with a CR Score of 60/100. It has 4.7★ from 22,524 Google reviews. It is open 24/7. Cahill Heating, Cooling, Electric, Plumbing & Sewer (#2) and S and J Plumbing & Sewer (#3) follow. We ranked 175 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Lake Forest?
ContractorsRanked ranks 175 septic service companies serving Lake Forest, IL. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Lake Forest are open 24/7?
98 ranked septic service companies in Lake Forest post 24/7 hours. The highest-ranked are ABC Plumbing, Sewer, Heating, Cooling & Electric (#1), Cahill Heating, Cooling, Electric, Plumbing & Sewer (#2) and S and J Plumbing & Sewer (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Lake Forest work on weekends?
130 of 175 ranked septic service companies post Saturday hours and 106 post Sunday hours. The highest-ranked open Saturdays are ABC Plumbing, Sewer, Heating, Cooling & Electric (#1), Cahill Heating, Cooling, Electric, Plumbing & Sewer (#2) and S and J Plumbing & Sewer (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Lake Forest septic service companies have?
The median Google rating among 175 rated septic service companies in Lake Forest is 4.9★, with a median of 52 reviews. ABC Plumbing, Sewer, Heating, Cooling & Electric has the most, 22,524 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 Lake Forest count in this ranking?
Yes, if they are within 25 mi of the Lake Forest 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 Lake Forest
- November 2026: CR Scores recalculated for 175 septic service companies serving Lake Forest.
- November 2026: 1 duplicate listing merged.
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