60/100CR Score
Ranked #1 because of its Google rating and review volume: 4.6★ from 99 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Coralville, IA (2026)
15 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Coralville: Action Sewer & Septic Service, Inc., CR Score 60/100; 4.6★ from 99 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Hawkeye Sewer & Drain, posts 24/7 hours; ranked #2 of 15.
- 5
Most-reviewed: Roto-Rooter, 189 Google reviews at 4.4★, the most of 15 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
15 Coralville septic service companies are ranked here by CR Score, from ten published factors. 6 are open 24/7, 11 open Saturdays and 7 open Sundays, based on posted hours. The median Google rating is 4.6★ across 15 rated businesses.
Most of this list also appears on the Septic service companies in Iowa City ranking. See Septic service companies in Iowa City
Top 10 septic service companies in Coralville at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Action Sewer & Septic Service, Inc. | 60 | 4.6★ (99) | Iowa City, 5 mi away | 24/7 | Overall |
| 2 | Hawkeye Sewer & Drain | 59 | 4.5★ (112) | Iowa City, 5 mi away | 24/7 | Emergencies |
| 3 | A1 Sewer Service LLC | 58 | 5.0★ (30) | Iowa City, 4 mi away | 24/7 | — |
| 4 | Ken-Way Sewer Service Inc | 55 | 4.7★ (29) | Cedar Rapids, 12 mi away | Sat | — |
| 5 | Roto-Rooter | 54 | 4.4★ (189) | Cedar Rapids, 21 mi away | 24/7 | Most reviews |
| 6 | Phil's Sewer and Drain Cleaning | 53 | 5.0★ (20) | Cedar Rapids, 17 mi away | 24/7 | — |
| 7 | City Sewer Service | 52 | 4.9★ (39) | Iowa City, 9 mi away | — | — |
| 8 | Jim's Septic Services | 52 | 5.0★ (9) | Cedar Rapids, 10 mi away | — | — |
| 9 | Magic Men Sewer and Drain Cleaning | 52 | 4.6★ (54) | Cedar Rapids, 18 mi away | Sat | — |
| 10 | Brown Concrete and Backhoe | 50 | 2.8★ (6) | Cedar Rapids, 12 mi away | Sat | — |
The 15 best septic service companies in Coralville, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Iowa City, 5 mi away
59/100CR ScoreRanked #2 because of its Google rating and review volume: 4.5★ from 112 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Iowa City, 4 mi away
58/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cedar Rapids, 12 mi away
55/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.7★ from 29 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#5 Roto-Rooter
Based in Cedar Rapids, 21 mi away
54/100CR ScoreRanked #5 because of its Google rating and review volume: 4.4★ from 189 Google reviews, the most in Coralville.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cedar Rapids, 17 mi away
53/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Iowa City, 9 mi away
52/100CR ScoreRanked #7 because of its Google rating and review volume: 4.9★ from 39 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cedar Rapids, 10 mi away
52/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cedar Rapids, 18 mi away
52/100CR ScoreRanked #9 because of its Google rating and review volume: 4.6★ from 54 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cedar Rapids, 12 mi away
50/100CR ScoreRanked #10 because of its Google rating and trade focus: 2.8★ from 6 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Iowa City, 3 mi away
49/100CR ScoreRanked #11 because of its Google rating and availability: 2.0★ from 4 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Iowa City, 5 mi away
48/100CR ScoreRanked #12 because of its Google rating and review volume: 3.4★ from 21 Google reviews.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Cedar Rapids, 20 mi away
44/100CR ScoreRanked #13 because of its Google rating and review volume: 4.5★ from 21 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
#14 R & B Plumbing
Based in Cedar Rapids, 20 mi away
44/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cedar Rapids, 23 mi away
43/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Demolition contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
How we ranked Coralville septic service companies
We scored 15 Coralville 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 Coralville 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 Coralville: frequently asked questions
Who is the best septic service company in Coralville?
By CR Score, the highest-ranked septic service company in Coralville, IA is Action Sewer & Septic Service, Inc. with a CR Score of 60/100. It has 4.6★ from 99 Google reviews. It is open 24/7. Hawkeye Sewer & Drain (#2) and A1 Sewer Service LLC (#3) follow. We ranked 15 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Coralville?
ContractorsRanked ranks 15 septic service companies serving Coralville, IA. Counts are as of November 2026.
Which septic service companies in Coralville are open 24/7?
6 ranked septic service companies in Coralville post 24/7 hours. The highest-ranked are Action Sewer & Septic Service, Inc. (#1), Hawkeye Sewer & Drain (#2) and A1 Sewer Service LLC (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Coralville work on weekends?
11 of 15 ranked septic service companies post Saturday hours and 7 post Sunday hours. The highest-ranked open Saturdays are Action Sewer & Septic Service, Inc. (#1), Hawkeye Sewer & Drain (#2) and A1 Sewer Service LLC (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Coralville septic service companies have?
The median Google rating among 15 rated septic service companies in Coralville is 4.6★, with a median of 21 reviews. Roto-Rooter has the most, 189 reviews, and ranks #5. 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 Coralville count in this ranking?
Yes, if they are within 25 mi of the Coralville 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 Coralville
- November 2026: CR Scores recalculated for 15 septic service companies serving Coralville.
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