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ContractorsRanked

Best Plumbers in Oelwein, IA (2026)

12 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Oelwein: Cedar Valley Water and Sewer, CR Score 78/100; 5.0★ from 13 Google reviews; open 24/7.

  2. 4

    Best for emergencies (open 24/7): Roto-Rooter, posts 24/7 hours; ranked #4 of 12.

  3. 3

    Most-reviewed: Drain Doctor, 57 Google reviews at 3.3★, the most of 12 ranked; ranked #3.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

12 Oelwein plumbers are ranked here by CR Score, from 8 published factors. 2 are open 24/7, 4 open Saturdays and 3 open Sundays, based on posted hours. The median Google rating is 4.0★ across 12 rated businesses.

Top 10 plumbers in Oelwein at a glance

Top 10 plumbers in Oelwein at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Cedar Valley Water and Sewer785.0★ (13)Cedar Falls, 25 mi away24/7Overall
2Irvine Water Conditioning & Plumbing754.8★ (36)Oelwein——
3Drain Doctor743.3★ (57)Waterloo, 25 mi awaySat · Sun · EveningsMost reviews
4Roto-Rooter743.8★ (19)Waterloo, 22 mi away24/7Emergencies
5Johnson Plumbing, Heating & Cooling743.3★ (19)Oelwein——
6Johnson Plumbing Heating & Cooling733.7★ (43)Independence, 14 mi away——
7Precision Plumbing Heating & Air Llc735.0★ (30)Independence, 15 mi away——
8Poyner Plumbing694.1★ (9)Waterloo, 25 mi away——
9Independence Plumbing Heating & Cooling664.1★ (27)Independence, 14 mi away——
10Kayser Plumbing & Heating653.2★ (5)Waterloo, 23 mi awaySat—

The 12 best plumbers in Oelwein, ranked

Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.

  1. Ranked #1 in Oelwein

    #1 Cedar Valley Water and Sewer

    Based in Cedar Falls, 25 mi away

    78/100CR Score

    Ranked #1 because of its Google rating and availability: 5.0★ from 13 Google reviews, open 24/7.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 13 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Cedar Valley Water and Sewer

  3. #3 Drain Doctor

    Based in Waterloo, 25 mi away

    74/100CR Score

    Ranked #3 because of its Google rating and review volume: 3.3★ from 57 Google reviews, the most Google reviews on this list (57).

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 3.3★ from 57 Google reviews
    Hours
    Mon–Sun 12 AM–11:30 PM
    Address
    2570 Wcf and N Dr, Waterloo, IA 50703
    View profile for Drain Doctor(319) 232-2444

  4. #4 Roto-Rooter

    Based in Waterloo, 22 mi away

    74/100CR Score

    Ranked #4 because of its Google rating and availability: 3.8★ from 19 Google reviews, open 24/7.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 3.8★ from 19 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    919 S Elk Run Rd, Waterloo, IA 50703
    View profile for Roto-Rooter(319) 234-6702

  8. #8 Poyner Plumbing

    Based in Waterloo, 25 mi away

    69/100CR Score

    Ranked #8 because of its Google rating and trade focus: 4.1★ from 9 Google reviews, listed on Google as “Plumber”.

    Based on 5 of 8 factors; credentials, recency and availability not yet collected.

    • 4.1★ from 9 Google reviews
    Address
    414 James St, Waterloo, IA 50702
    View profile for Poyner Plumbing(319) 231-9510

  10. #10 Kayser Plumbing & Heating

    Based in Waterloo, 23 mi away

    65/100CR Score

    Ranked #10 because of its Google rating and trade focus: 3.2★ from 5 Google reviews, listed on Google as “Plumber”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 3.2★ from 5 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat 8 AM–12 PM · Sun closed
    Address
    4912 S Raymond Rd, Waterloo, IA 50701
    View profile for Kayser Plumbing & Heating(319) 296-2547

  11. #11 Plumbing Concepts

    Based in Waterloo, 25 mi away

    62/100CR Score

    Ranked #11 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Plumber”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 5 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    1511 Jefferson St, Waterloo, IA 50702
    View profile for Plumbing Concepts(319) 833-0523

Also serving Oelwein

6 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.

Unranked plumbers serving Oelwein
BusinessGoogle ratingDistance
A-1 Septic Services LLC14 mi
Affordable Plumbing & Heating14 mi
Black Hawk Plumbing1.0★ (2)25 mi
Bovy Plumbing5.0★ (1)25 mi
Miller Mechanical Contractors19 mi
Ron's Plumbing & Heating & AC1.0★ (1)14 mi

How much do plumbers cost in Oelwein?

National price ranges in USD, not adjusted for Oelwein. Each row names its basis and the month we checked it.

How much do plumbers cost in Oelwein?
JobLowTypicalHighBasisChecked
Water heater replacement$882$1,348$1,826Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national rangeOctober 2026

How to check a plumber's license in Iowa

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.

  1. Check that the status is active and the name matches the contract or truck.
  2. Ask for proof of insurance before work starts.

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

How we ranked Oelwein plumbers

We scored 12 Oelwein plumbers on 8 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. Unknown factors are left out of the score, 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Oelwein data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

Plumbers in Oelwein: frequently asked questions

Who is the best plumber in Oelwein?

By CR Score, the highest-ranked plumber in Oelwein, IA is Cedar Valley Water and Sewer with a CR Score of 78/100. It has 5.0★ from 13 Google reviews. It is open 24/7. Irvine Water Conditioning & Plumbing (#2) and Drain Doctor (#3) follow. We ranked 12 plumbers on 8 factors, last updated October 22, 2026.

How many plumbers are there in Oelwein?

ContractorsRanked ranks 12 plumbers serving Oelwein, IA. 2 of them are based in Oelwein; the rest serve it from nearby towns. Another 6 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which plumbers in Oelwein are open 24/7?

2 ranked plumbers in Oelwein post 24/7 hours. The highest-ranked are Cedar Valley Water and Sewer (#1) and Roto-Rooter (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which plumbers in Oelwein work on weekends?

4 of 12 ranked plumbers post Saturday hours and 3 post Sunday hours. The highest-ranked open Saturdays are Cedar Valley Water and Sewer (#1), Drain Doctor (#3) and Roto-Rooter (#4). Posted hours are office hours; crews may book weekend jobs separately.

How do I check a plumber's license in Iowa?

In Iowa, Iowa Plumbing and Mechanical Systems Board (Department of Inspections, Appeals and Licensing) handles licensing and covers Plumbing work: water supply, drain, waste and vent piping and fixtures.

How much does water heater replacement cost in Oelwein?

Water heater replacement typically costs $882 to $1,826, with $1,348 typical (Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Oelwein. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Oelwein plumbers have?

The median Google rating among 12 rated plumbers in Oelwein is 4.0★, with a median of 19 reviews. Drain Doctor has the most, 57 reviews, and ranks #3. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ContractorsRanked rank plumbers?

Each plumber gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Update log for Oelwein

  1. October 2026: CR Scores recalculated for 12 plumbers serving Oelwein.

More plumbers and Oelwein pages