59/100CR Score
Ranked #1 because of its Google rating and review volume: 4.6★ from 3,004 Google reviews.
Best Septic Service Companies in Avondale, IL (2026)
234 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Avondale: J. Blanton Plumbing, Sewer & Drain, CR Score 59/100; 4.6★ from 3,004 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): J Sewer & Drain Plumbing, posts 24/7 hours; ranked #2 of 234.
- 3
Most-reviewed: ABC Plumbing, Sewer, Heating, Cooling & Electric, 22,524 Google reviews at 4.7★, the most of 234 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
234 Avondale septic service companies are ranked here by CR Score, from ten published factors. 138 are open 24/7, 180 open Saturdays and 147 open Sundays, based on posted hours. The median Google rating is 4.8★ across 234 rated businesses.
Most of this list also appears on the Septic service companies in West Town ranking. See Septic service companies in West Town
Top 10 septic service companies in Avondale at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | J. Blanton Plumbing, Sewer & Drain | 59 | 4.6★ (3,004) | Chicago, 3 mi away | 24/7 | Overall |
| 2 | J Sewer & Drain Plumbing | 59 | 4.9★ (275) | Chicago, 1 mi away | 24/7 | Emergencies |
| 3 | ABC Plumbing, Sewer, Heating, Cooling & Electric | 58 | 4.7★ (22,524) | Arlington Heights, 20 mi away | 24/7 | Most reviews |
| 4 | Pro Services Plumbing, Drains, Sewer Lining | 58 | 5.0★ (59) | Elmhurst, 12 mi away | 24/7 | — |
| 5 | J. Blanton Plumbing, Sewer & Drain | 58 | 4.8★ (700) | Evanston, 8 mi away | 24/7 | — |
| 6 | S and J Plumbing & Sewer | 57 | 4.9★ (3,937) | Arlington Heights, 20 mi away | 24/7 | — |
| 7 | Elite Sewer & Drain Inc. | 57 | 5.0★ (242) | Skokie, 8 mi away | 24/7 | — |
| 8 | J Sewer & Drain Plumbing | 57 | 4.9★ (98) | Chicago, 1 mi away | 24/7 | — |
| 9 | J. Blanton Plumbing, Sewer & Drain | 57 | 4.7★ (247) | Chicago, 3 mi away | 24/7 | — |
| 10 | J. Blanton Plumbing, Sewer & Drain | 57 | 4.9★ (205) | Skokie, 6 mi away | 24/7 | — |
The 234 best septic service companies in Avondale, 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, 1 mi away
59/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 275 Google reviews, listed on Google as “Plumber”.
Based in Arlington Heights, 20 mi away
58/100CR ScoreRanked #3 because of its Google rating and review volume: 4.7★ from 22,524 Google reviews, the most in Avondale.
Based in Elmhurst, 12 mi away
58/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 59 Google reviews, listed on Google as “Septic system service”.
Based in Evanston, 8 mi away
58/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.8★ from 700 Google reviews, listed on Google as “Plumber”.
Based in Arlington Heights, 20 mi away
57/100CR ScoreRanked #6 because of its Google rating and review volume: 4.9★ from 3,937 Google reviews.
Based in Skokie, 8 mi away
57/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 242 Google reviews, listed on Google as “Plumber”.
Based in Chicago, 1 mi away
57/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 98 Google reviews, listed on Google as “Plumber”.
Based in Chicago, 3 mi away
57/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.7★ from 247 Google reviews, listed on Google as “Plumber”.
Based in Skokie, 6 mi away
57/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 205 Google reviews, listed on Google as “Plumber”.
Based in Skokie, 7 mi away
57/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 159 Google reviews, listed on Google as “Plumber”.
Based in Chicago, 3 mi away
56/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.6★ from 226 Google reviews, listed on Google as “Plumber”.
Based in Northbrook, 14 mi away
56/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.8★ from 751 Google reviews, listed on Google as “Plumber”.
Based in Brookfield, 12 mi away
56/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 327 Google reviews, listed on Google as “Plumber”.
Based in Addison, 15 mi away
56/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.8★ from 51 Google reviews, listed on Google as “Septic system service”.
Based in Evanston, 8 mi away
56/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.7★ from 261 Google reviews, listed on Google as “HVAC contractor”.
Based in Chicago, 3 mi away
56/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 151 Google reviews, listed on Google as “Plumber”.
Based in Downers Grove, 18 mi away
56/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.8★ from 1,107 Google reviews, listed on Google as “HVAC contractor”.
Based in Chicago, 3 mi away
56/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.8★ from 61 Google reviews, listed on Google as “Plumber”.
Based in Wheeling, 17 mi away
55/100CR ScoreRanked #20 because of its Google rating and review volume: 4.7★ from 1,332 Google reviews.
Based in Chicago, 2 mi away
55/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 370 Google reviews, listed on Google as “Plumber”.
Based in Hinsdale, 14 mi away
55/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.9★ from 270 Google reviews, listed on Google as “Plumber”.
Based in Deerfield, 16 mi away
55/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.9★ from 384 Google reviews, listed on Google as “Plumber”.
Based in Arlington Heights, 16 mi away
55/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.8★ from 549 Google reviews, listed on Google as “Plumber”.
Based in Skokie, 7 mi away
55/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.9★ from 219 Google reviews, listed on Google as “HVAC contractor”.
How we ranked Avondale septic service companies
We scored 234 Avondale 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 Avondale 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 Avondale: frequently asked questions
Who is the best septic service company in Avondale?
By CR Score, the highest-ranked septic service company in Avondale, IL is J. Blanton Plumbing, Sewer & Drain with a CR Score of 59/100. It has 4.6★ from 3,004 Google reviews. It is open 24/7. J Sewer & Drain Plumbing (#2) and ABC Plumbing, Sewer, Heating, Cooling & Electric (#3) follow. We ranked 234 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Avondale?
ContractorsRanked ranks 234 septic service companies serving Avondale, IL. Counts are as of November 2026.
Which septic service companies in Avondale are open 24/7?
138 ranked septic service companies in Avondale post 24/7 hours. The highest-ranked are J. Blanton Plumbing, Sewer & Drain (#1), J Sewer & Drain Plumbing (#2) and ABC Plumbing, Sewer, Heating, Cooling & Electric (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Avondale work on weekends?
180 of 234 ranked septic service companies post Saturday hours and 147 post Sunday hours. The highest-ranked open Saturdays are J. Blanton Plumbing, Sewer & Drain (#1), J Sewer & Drain Plumbing (#2) and ABC Plumbing, Sewer, Heating, Cooling & Electric (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Avondale septic service companies have?
The median Google rating among 234 rated septic service companies in Avondale is 4.8★, with a median of 39 reviews. ABC Plumbing, Sewer, Heating, Cooling & Electric has the most, 22,524 reviews, and ranks #3. 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 Avondale count in this ranking?
Yes, if they are within 25 mi of the Avondale 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 Avondale
- November 2026: CR Scores recalculated for 234 septic service companies serving Avondale.
- November 2026: 1 duplicate listing merged.
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