64/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Oskaloosa, IA (2026)
9 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Oskaloosa: JV Septic Service, CR Score 64/100; 5.0★ from 19 Google reviews; open 24/7.
- 6
Best for emergencies (open 24/7): The Other Guys Sewer & Drain, posts 24/7 hours; ranked #6 of 9.
- 5
Most-reviewed: Mike Richards Sewer & Drain, 48 Google reviews at 4.4★, the most of 9 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
9 Oskaloosa septic service companies are ranked here by CR Score, from ten published factors. 2 are open 24/7, 3 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 5.0★ across 9 rated businesses.
Most of this list also appears on the Septic service companies in Ottumwa ranking. See Septic service companies in Ottumwa
Top 9 septic service companies in Oskaloosa at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | JV Septic Service | 64 | 5.0★ (19) | Oskaloosa | 24/7 | Overall |
| 2 | Chris Day Sewer & Drain Cleaning | 54 | 5.0★ (39) | Zimmerman, 23 mi away | — | — |
| 3 | Bob's Drain Cleaning & Handyman Service | 53 | 5.0★ (41) | Knoxville, 17 mi away | Sat | — |
| 4 | Meland Co. Septic Service & Excavating | 53 | 3.3★ (8) | Oskaloosa | — | — |
| 5 | Mike Richards Sewer & Drain | 53 | 4.4★ (48) | Ottumwa, 24 mi away | — | Most reviews |
| 6 | The Other Guys Sewer & Drain | 53 | 3.8★ (24) | Ottumwa, 24 mi away | 24/7 | Emergencies |
| 7 | Craig Richards Sewer & Drain | 50 | 4.2★ (21) | Ottumwa, 24 mi away | — | — |
| 8 | Rauscher Pumping and Septic Services | 49 | 5.0★ (6) | Ottumwa, 24 mi away | — | — |
| 9 | Bassett Excavating Incorporated | 41 | 5.0★ (3) | Knoxville, 24 mi away | — | — |
The 9 best septic service companies in Oskaloosa, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Zimmerman, 23 mi away
54/100CR ScoreRanked #2 because of its Google rating and review volume: 5.0★ from 39 Google reviews.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Knoxville, 17 mi away
53/100CR ScoreRanked #3 because of its Google rating and review volume: 5.0★ from 41 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oskaloosa
53/100CR ScoreRanked #4 because of its Google rating and trade focus: 3.3★ from 8 Google reviews, listed on Google as “General contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Ottumwa, 24 mi away
53/100CR ScoreRanked #5 because of its Google rating and review volume: 4.4★ from 48 Google reviews, the most in Oskaloosa.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Ottumwa, 24 mi away
53/100CR ScoreRanked #6 because of its Google rating and review volume: 3.8★ from 24 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ottumwa, 24 mi away
50/100CR ScoreRanked #7 because of its Google rating and review volume: 4.2★ from 21 Google reviews.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Ottumwa, 24 mi away
49/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ 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 Knoxville, 24 mi away
41/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
How we ranked Oskaloosa septic service companies
We scored 9 Oskaloosa 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 Oskaloosa 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 Oskaloosa: frequently asked questions
Who is the best septic service company in Oskaloosa?
By CR Score, the highest-ranked septic service company in Oskaloosa, IA is JV Septic Service with a CR Score of 64/100. It has 5.0★ from 19 Google reviews. It is open 24/7. Chris Day Sewer & Drain Cleaning (#2) and Bob's Drain Cleaning & Handyman Service (#3) follow. We ranked 9 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Oskaloosa?
ContractorsRanked ranks 9 septic service companies serving Oskaloosa, IA. 2 of them are based in Oskaloosa; the rest serve it from nearby towns. Counts are as of November 2026.
Which septic service companies in Oskaloosa are open 24/7?
2 ranked septic service companies in Oskaloosa post 24/7 hours. The highest-ranked are JV Septic Service (#1) and The Other Guys Sewer & Drain (#6). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Oskaloosa work on weekends?
3 of 9 ranked septic service companies post Saturday hours and 2 post Sunday hours. The highest-ranked open Saturdays are JV Septic Service (#1), Bob's Drain Cleaning & Handyman Service (#3) and The Other Guys Sewer & Drain (#6). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Oskaloosa septic service companies have?
The median Google rating among 9 rated septic service companies in Oskaloosa is 5.0★, with a median of 21 reviews. Mike Richards Sewer & Drain has the most, 48 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 Oskaloosa count in this ranking?
Yes, if they are within 25 mi of the Oskaloosa 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 Oskaloosa
- November 2026: CR Scores recalculated for 9 septic service companies serving Oskaloosa.
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