24 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Portage: Zaspel Plumbing, CR Score 59/100; 5.0★ from 54 Google reviews; open Saturdays until 7 PM.
Best for emergencies (open 24/7): RG Heating Cooling Plumbing, posts 24/7 hours; ranked #2 of 24.
Most-reviewed: RG Heating Cooling Plumbing, 1,820 Google reviews at 4.9★, the most of 24 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
24 Portage plumbers are ranked here by CR Score, from ten published factors. 3 are open 24/7, 5 open Saturdays and 3 open Sundays, based on posted hours. The median Google rating is 4.8★ across 24 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Zaspel Plumbing | 59 | 5.0★ (54) | Portage | Sat · Evenings | Overall |
| 2 | RG Heating Cooling Plumbing | 58 | 4.9★ (1,820) | Waunakee, 25 mi away | 24/7 | Emergencies, Most reviews |
| 3 | D & D Drain Service | 57 | 4.9★ (43) | Madison, 20 mi away | 24/7 | — |
| 4 | The Country Plumber | 56 | 4.3★ (160) | Portage | — | — |
| 5 | Zimmerman Plumbing, Inc. | 55 | 4.9★ (19) | Portage | — | — |
| 6 | RHD Plumbing & Remodeling, Inc. | 54 | 4.8★ (374) | Madison, 24 mi away | — | — |
| 7 | Baraboo Plumbing LLC | 52 | 5.0★ (21) | Baraboo, 14 mi away | — | — |
| 8 | Potter Plumbing LLC | 52 | 4.8★ (28) | Reedsburg, 23 mi away | Sat | — |
| 9 | Sewer Ninjas | 52 | 5.0★ (17) | Cottage Grove, 13 mi away | — | — |
| 10 | Russ' Plumbing Inc | 52 | 4.7★ (37) | Waunakee, 24 mi away | — | — |
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: 5.0★ from 54 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waunakee, 25 mi away
Ranked #2 because of its Google rating and review volume: 4.9★ from 1,820 Google reviews, the most in Portage.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Madison, 20 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 43 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Portage
Ranked #4 because of its Google rating and trade focus: 4.3★ from 160 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Portage
Ranked #5 because of its Google rating and trade focus: 4.9★ from 19 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Madison, 24 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 374 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Baraboo, 14 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Reedsburg, 23 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 28 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cottage Grove, 13 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waunakee, 24 mi away
Ranked #10 because of its Google rating and trade focus: 4.7★ from 37 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Baraboo, 23 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Baraboo, 14 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 16 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Baraboo, 15 mi away
Ranked #13 because of its Google rating and trade focus: 4.6★ from 11 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Baraboo, 15 mi away
Ranked #14 because of its Google rating and review volume: 4.5★ from 220 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Baraboo, 15 mi away
Ranked #15 because of its Google rating and trade focus: 4.5★ from 8 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Portage
Ranked #16 because of its Google rating and trade focus: 4.2★ from 41 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Baraboo, 14 mi away
Ranked #17 because of its Google rating and trade focus: 4.3★ from 9 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Madison, 20 mi away
Ranked #18 because of its Google rating and trade focus: 4.3★ from 24 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Baraboo, 16 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Madison, 21 mi away
Ranked #20 because of its Google rating and trade focus: 3.0★ from 4 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Madison, 24 mi away
Ranked #21 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Portage
Ranked #22 because of its Google rating and trade focus: 4.1★ from 22 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Madison, 24 mi away
Ranked #23 because of its Google rating and trade focus: 3.4★ from 5 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Madison, 25 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
2 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 | Distance |
|---|---|
| Carroll's Plumbing LLC | 25 mi |
| NATURECRAFT Land Management | 15 mi |
National price ranges in USD, not adjusted for Portage. 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 24 Portage 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 23, 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 Portage 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 |