61/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 62 Google reviews, listed on Google as “Septic system service”.
Best Septic Service Companies in Belvidere, IL (2026)
32 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Belvidere: 815 Septic Guy, CR Score 61/100; 5.0★ from 62 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): ABC Plumbing, Sewer, Heating, Cooling & Electric, posts 24/7 hours; ranked #2 of 32.
- 6
Most-reviewed: ASAP Plumbing, 395 Google reviews at 4.9★, the most of 32 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
32 Belvidere septic service companies are ranked here by CR Score, from ten published factors. 13 are open 24/7, 20 open Saturdays and 16 open Sundays, based on posted hours. The median Google rating is 4.8★ across 32 rated businesses.
Top 10 septic service companies in Belvidere at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | 815 Septic Guy | 61 | 5.0★ (62) | Machesney Park, 12 mi away | 24/7 | Overall |
| 2 | ABC Plumbing, Sewer, Heating, Cooling & Electric | 59 | 4.8★ (112) | Rockford, 9 mi away | 24/7 | Emergencies |
| 3 | Kleen Tank | 59 | 4.8★ (131) | Sycamore, 20 mi away | Sat · Sun | — |
| 4 | United Sanitation Services, Inc. | 58 | 4.8★ (53) | Belvidere | — | — |
| 5 | Frink's Sewer & Drain Inc | 58 | 4.9★ (152) | Rockford, 18 mi away | 24/7 | — |
| 6 | ASAP Plumbing | 57 | 4.9★ (395) | Woodstock, 19 mi away | 24/7 | Most reviews |
| 7 | EDWARDS SEWER & DRAIN | 56 | 4.8★ (83) | Rockford, 12 mi away | Sat · Sun | — |
| 8 | Reliable Sewer and Drain | 55 | 4.8★ (26) | Loves Park, 12 mi away | 24/7 | — |
| 9 | Ernie's Septic Tank Services | 55 | 5.0★ (14) | Marengo, 10 mi away | Sat | — |
| 10 | Suburban Sewer & Septic Inc. | 55 | 4.7★ (47) | Huntley, 16 mi away | 24/7 | — |
The 32 best septic service companies in Belvidere, 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 Rockford, 9 mi away
59/100CR ScoreRanked #2 because of its Google rating and review volume: 4.8★ from 112 Google reviews.
#3 Kleen Tank
Based in Sycamore, 20 mi away
59/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.8★ from 131 Google reviews, listed on Google as “Septic system service”.
Based in Belvidere
58/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 53 Google reviews, listed on Google as “Septic system service”.
Based in Rockford, 18 mi away
58/100CR ScoreRanked #5 because of its Google rating and review volume: 4.9★ from 152 Google reviews.
Based in Woodstock, 19 mi away
57/100CR ScoreRanked #6 because of its Google rating and review volume: 4.9★ from 395 Google reviews, the most in Belvidere.
Based in Rockford, 12 mi away
56/100CR ScoreRanked #7 because of its Google rating and review volume: 4.8★ from 83 Google reviews.
Based in Loves Park, 12 mi away
55/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.8★ from 26 Google reviews, listed on Google as “Plumber”.
Based in Marengo, 10 mi away
55/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Septic system service”.
Based in Huntley, 16 mi away
55/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.7★ from 47 Google reviews, listed on Google as “Plumber”.
#11 Watson Septic
Based in Rockford, 20 mi away
55/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 40 Google reviews, listed on Google as “Septic system service”.
Based in Rockford, 5 mi away
55/100CR ScoreRanked #12 because of its Google rating and review volume: 4.9★ from 94 Google reviews.
#13 Turner Plumbing
Based in Genoa, 14 mi away
55/100CR ScoreRanked #13 because of its Google rating and review volume: 5.0★ from 115 Google reviews.
Based in Lake in the Hills, 20 mi away
54/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Septic system service”.
Based in Rockford, 14 mi away
53/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Plumber”.
Based in Sycamore, 21 mi away
53/100CR ScoreRanked #16 because of its Google rating and review volume: 4.8★ from 93 Google reviews.
Based in DeKalb, 24 mi away
52/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.5★ from 93 Google reviews, listed on Google as “Septic system service”.
Based in Woodstock, 20 mi away
52/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.6★ from 42 Google reviews, listed on Google as “Septic system service”.
Based in Grandwood Park, 9 mi away
52/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Plumber”.
Based in DeKalb, 18 mi away
52/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Plumber”.
Based in Machesney Park, 11 mi away
51/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.7★ from 52 Google reviews, listed on Google as “Contractor”.
Based in Rockford, 12 mi away
51/100CR ScoreRanked #22 because of its Google rating and review volume: 4.5★ from 90 Google reviews.
Based in Crystal Lake, 22 mi away
50/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Plumber”.
Based in DeKalb, 24 mi away
50/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “Contractor”.
Based in Rockford, 18 mi away
50/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Septic system service”.
All 32 septic service companies
#1 to #25 are shown in full above. Here are #26 to #32, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Jaenecke sanitary service | 50 | 4.0★ (12) | 18 mi |
| 27 | Northern Illinois Septic Service | 50 | 5.0★ (9) | 22 mi |
| 28 | Pro Services Plumbing, Drains, Sewer Lining | 49 | 5.0★ (4) | 24 mi |
| 29 | Northern Illinois Sewer Service | 49 | 4.6★ (14) | 12 mi |
| 30 | Collins Sanitary LLC | 47 | 4.7★ (69) | 19 mi |
| 31 | #1 Plumbing Co. | 47 | 4.4★ (25) | 12 mi |
| 32 | Schmid Plumbing Services | 44 | 4.6★ (7) | 23 mi |
Also serving Belvidere
9 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 |
|---|---|---|
| Buzzbee Septic | 1.0★ (1) | 5 mi |
| Dan Erickson Construction | 5.0★ (1) | 12 mi |
| Darwin & Thad Koets Inc | 5.0★ (2) | 5 mi |
| Express Drain | In Belvidere | |
| L & L Brothers Septic | 10 mi | |
| LEHP Management, Inc. | 5.0★ (1) | 10 mi |
| ProCon Services | 5.0★ (1) | 22 mi |
| Rockford Septic System Co | 12 mi | |
| The Septic Tank Guys | 21 mi |
How we ranked Belvidere septic service companies
We scored 32 Belvidere 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 Belvidere 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 Belvidere: frequently asked questions
Who is the best septic service company in Belvidere?
By CR Score, the highest-ranked septic service company in Belvidere, IL is 815 Septic Guy with a CR Score of 61/100. It has 5.0★ from 62 Google reviews. It is open 24/7. ABC Plumbing, Sewer, Heating, Cooling & Electric (#2) and Kleen Tank (#3) follow. We ranked 32 septic service companies on ten factors, last updated November 2, 2026.
How many septic service companies are there in Belvidere?
ContractorsRanked ranks 32 septic service companies serving Belvidere, IL. 1 of them is based in Belvidere; the rest serve it from nearby towns. Another 9 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Belvidere are open 24/7?
13 ranked septic service companies in Belvidere post 24/7 hours. The highest-ranked are 815 Septic Guy (#1), ABC Plumbing, Sewer, Heating, Cooling & Electric (#2) and Frink's Sewer & Drain Inc (#5). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Belvidere work on weekends?
20 of 32 ranked septic service companies post Saturday hours and 16 post Sunday hours. The highest-ranked open Saturdays are 815 Septic Guy (#1), ABC Plumbing, Sewer, Heating, Cooling & Electric (#2) and Kleen Tank (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Belvidere septic service companies have?
The median Google rating among 32 rated septic service companies in Belvidere is 4.8★, with a median of 41 reviews. ASAP Plumbing has the most, 395 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 Belvidere count in this ranking?
Yes, if they are within 25 mi of the Belvidere 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 Belvidere
- November 2026: CR Scores recalculated for 32 septic service companies serving Belvidere.
More septic service companies and Belvidere pages
Septic service companies near Belvidere
- Septic service companies in Machesney Park, IL25 ranked
- Septic service companies in Loves Park, IL24 ranked
- Septic service companies in Rockford, IL19 ranked
- Septic service companies in Roscoe, IL26 ranked
- Septic service companies in Woodstock, IL74 ranked
- Septic service companies in Sycamore, IL51 ranked
- Septic service companies in Huntley, IL94 ranked
- Septic service companies in DeKalb, IL42 ranked
- Septic service companies in Lake in the Hills, IL116 ranked
- Septic service companies in Crystal Lake, IL115 ranked
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