93 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Waunakee: RG Heating Cooling Plumbing, CR Score 91/100; 4.9★ from 1,820 Google reviews; open 24/7.
Best for emergencies (open 24/7): Cardinal Heating, Cooling, Plumbing & Electric, posts 24/7 hours; ranked #2 of 93.
Most-reviewed: Cardinal Heating, Cooling, Plumbing & Electric, 4,888 Google reviews at 4.9★, the most of 93 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
93 Waunakee plumbers are ranked here by CR Score, from 8 published factors. 17 are open 24/7, 21 open Saturdays and 18 open Sundays, based on posted hours. The median Google rating is 4.8★ across 93 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | RG Heating Cooling Plumbing | 91 | 4.9★ (1,820) | Waunakee | 24/7 | Overall |
| 2 | Cardinal Heating, Cooling, Plumbing & Electric | 90 | 4.9★ (4,888) | Sun Prairie, 10 mi away | 24/7 | Emergencies, Most reviews |
| 3 | KJM Plumbing, LLC | 87 | 4.8★ (101) | Fitchburg, 9 mi away | 24/7 | — |
| 4 | Action Plumbing, Heating, Air Conditioning and Electric, Inc. | 87 | 4.9★ (1,042) | Madison, 11 mi away | 24/7 | — |
| 5 | D & D Drain Service | 87 | 4.9★ (43) | Madison, 7 mi away | 24/7 | — |
| 6 | Monona Plumbing & Fire Protection | 87 | 4.6★ (352) | Madison, 12 mi away | 24/7 | — |
| 7 | Rhino Plumbing | 86 | 5.0★ (87) | Madison, 16 mi away | 24/7 | — |
| 8 | Cardinal Heating, Cooling, Plumbing, & Electric | 86 | 5.0★ (388) | Fitchburg, 12 mi away | 24/7 | — |
| 9 | Action Plumbing, Heating, Air Conditioning and Electric, Inc. | 85 | 4.7★ (1,128) | Sun Prairie, 12 mi away | 24/7 | — |
| 10 | Action Plumbing, Heating, Air Conditioning and Electric, Inc. | 85 | 4.9★ (200) | Middleton, 8 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and availability: 4.9★ from 1,820 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sun Prairie, 10 mi away
Ranked #2 because of its Google rating and review volume: 4.9★ from 4,888 Google reviews, the most Google reviews on this list (4,888).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fitchburg, 9 mi away
Ranked #3 because of its Google rating and availability: 4.8★ from 101 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Madison, 11 mi away
Ranked #4 because of its Google rating and availability: 4.9★ from 1,042 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Madison, 7 mi away
Ranked #5 because of its Google rating and availability: 4.9★ from 43 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Madison, 12 mi away
Ranked #6 because of its Google rating and availability: 4.6★ from 352 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Madison, 16 mi away
Ranked #7 because of its Google rating and availability: 5.0★ from 87 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fitchburg, 12 mi away
Ranked #8 because of its Google rating and availability: 5.0★ from 388 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sun Prairie, 12 mi away
Ranked #9 because of its Google rating and availability: 4.7★ from 1,128 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Middleton, 8 mi away
Ranked #10 because of its Google rating and availability: 4.9★ from 200 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Madison, 13 mi away
Ranked #11 because of its Google rating and availability: 4.8★ from 3,441 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Madison, 9 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 51 Google reviews, listed on Google as “Plumber”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Waunakee
Ranked #13 because of its Google rating and trade focus: 4.7★ from 37 Google reviews, listed on Google as “Plumber”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Madison, 13 mi away
Ranked #14 because of its Google rating and availability: 4.9★ from 174 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Monona, 12 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 1,684 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Baraboo, 11 mi away
Ranked #16 because of its Google rating and availability: 5.0★ from 3 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Watertown, 25 mi away
Ranked #17 because of its Google rating and availability: 5.0★ from 12 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Madison, 10 mi away
Ranked #18 because of its Google rating and availability: 4.5★ from 32 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Madison, 12 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 880 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Oregon, 19 mi away
Ranked #20 because of its Google rating and availability: 5.0★ from 6 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Madison, 6 mi away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 374 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Madison, 11 mi away
Ranked #22 because of its Google rating and trade focus: 4.8★ from 566 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Madison, 9 mi away
Ranked #23 because of its Google rating and trade focus: 4.2★ from 10 Google reviews, listed on Google as “Plumber”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Madison, 9 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 64 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fitchburg, 13 mi away
Ranked #25 because of its Google rating and trade focus: 4.8★ from 514 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #37, in CR Score order; each links to its profile. We publish the top 37 of 93 ranked plumbers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Aqua Plumbing | 78 | 4.8★ (18) | 9 mi |
| 30 | Speedway Sewer Services | 77 | 4.1★ (9) | 10 mi |
| 32 | J O Plumbing | 76 | 3.0★ (4) | 7 mi |
| 33 | Wright Plumbing & Soil Testing, Inc. | 76 | 4.4★ (45) | 23 mi |
| 34 | Goth Plumbing | 76 | 4.2★ (5) | 11 mi |
| 37 | Dr Rooter Plumbing | 75 | 2.3★ (6) | 9 mi |
National price ranges in USD, not adjusted for Waunakee. 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 Wisconsin, Wisconsin Department of Safety and Professional Services 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 93 Waunakee 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.
| Factor | Weight | Computed from | In Waunakee data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |