22 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Ottumwa: Mike Richards Sewer & Drain, CR Score 60/100; 4.4★ from 48 Google reviews.
Best for emergencies (open 24/7): Roto-Rooter, posts 24/7 hours; ranked #2 of 22.
Most-reviewed: Vande Wall Plumbing, 83 Google reviews at 4.8★, the most of 22 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
22 Ottumwa plumbers are ranked here by CR Score, from ten published factors. 4 are open 24/7, 6 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 4.2★ across 22 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Mike Richards Sewer & Drain | 60 | 4.4★ (48) | Ottumwa | — | Overall |
| 2 | Roto-Rooter | 59 | 3.2★ (65) | Ottumwa | 24/7 | Emergencies |
| 3 | The Other Guys Sewer & Drain | 59 | 3.8★ (24) | Ottumwa | 24/7 | — |
| 4 | A+ Services Plumbing, Heating and Air Conditioning | 59 | 4.2★ (52) | Ottumwa | 24/7 | — |
| 5 | Clog Busters Drain Cleaning & Repair | 58 | 5.0★ (43) | Oskaloosa, 23 mi away | 24/7 | — |
| 6 | Vande Wall Plumbing | 58 | 4.8★ (83) | Oskaloosa, 20 mi away | — | Most reviews |
| 7 | Craig Richards Sewer & Drain | 57 | 4.2★ (21) | Ottumwa | — | — |
| 8 | Alig Plumbing Inc | 55 | 3.6★ (14) | Ottumwa | — | — |
| 9 | Chris Day Sewer & Drain Cleaning | 55 | 5.0★ (39) | Zimmerman, 24 mi away | — | — |
| 10 | Maher Plumbing LLC | 55 | 4.1★ (9) | Ottumwa | — | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 4.4★ from 48 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Ottumwa
Ranked #2 because of its Google rating and trade focus: 3.2★ from 65 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ottumwa
Ranked #3 because of its Google rating and trade focus: 3.8★ from 24 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ottumwa
Ranked #4 because of its Google rating and review volume: 4.2★ from 52 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oskaloosa, 23 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oskaloosa, 20 mi away
Ranked #6 because of its Google rating and review volume: 4.8★ from 83 Google reviews, the most in Ottumwa.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Ottumwa
Ranked #7 because of its Google rating and trade focus: 4.2★ from 21 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Ottumwa
Ranked #8 because of its Google rating and trade focus: 3.6★ from 14 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Zimmerman, 24 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 39 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Ottumwa
Ranked #10 because of its Google rating and trade focus: 4.1★ from 9 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Ottumwa
Ranked #11 because of its Google rating and trade focus: 3.4★ from 49 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ottumwa
Ranked #12 because of its Google rating and trade focus: 3.9★ from 18 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fairfield, 23 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fairfield, 23 mi away
Ranked #14 because of its Google rating and trade focus: 3.1★ from 17 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Fairfield, 23 mi away
Ranked #15 because of its Google rating and trade focus: 4.6★ from 5 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Ottumwa
Ranked #16 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ottumwa
Ranked #17 because of its Google rating and review volume: 4.1★ from 9 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fairfield, 23 mi away
Ranked #18 because of its Google rating and trade focus: 2.3★ from 3 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Fairfield, 23 mi away
Ranked #19 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Fairfield, 24 mi away
Ranked #20 because of its Google rating and trade focus: 2.7★ from 3 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oskaloosa, 22 mi away
Ranked #21 because of its Google rating and review volume: 5.0★ from 9 Google reviews.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Oskaloosa, 23 mi away
Ranked #22 because of its Google rating and review volume: 3.9★ from 30 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
8 more plumbers 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 |
|---|---|---|
| C & K Plumbing & Heating | 5.0★ (1) | In Ottumwa |
| C & K Plumbing & Heating | In Ottumwa | |
| Hol Drainage | 25 mi | |
| John Robinson Plumbing & Heating | 5.0★ (1) | 23 mi |
| Robert E Miller Plumbing & Heating | 22 mi | |
| Stump Plumbing | 3.0★ (1) | 23 mi |
| V & F Plumbing & Heating Co | 23 mi | |
| Will Guest Plumbing Co | 1.0★ (1) | In Ottumwa |
National price ranges in USD, not adjusted for Ottumwa. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Water heater replacement | $882 | $1,348 | $1,826 | Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 2026 |
In Iowa, Iowa Plumbing and Mechanical Systems Board (Department of Inspections, Appeals and Licensing) licenses Plumbing work: water supply, drain, waste and vent piping and fixtures.
No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.
Guide checked October 2026. How we verify licenses
We scored 22 Ottumwa plumbers 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 October 22, 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 Ottumwa 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 |