90/100CR Score
Ranked #1 because of its Google rating and availability: 4.9★ from 127 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 127 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Best Plumbers in Oconomowoc, WI (2026)
161 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Oconomowoc: Oconomowoc Plumbing, CR Score 90/100; 4.9★ from 127 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Brisc Plumbing, posts 24/7 hours; ranked #2 of 161.
- 18
Most-reviewed: Mr. Holland's Home Services, 7,086 Google reviews at 4.8★, the most of 161 ranked; ranked #18.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
161 Oconomowoc plumbers are ranked here by CR Score, from 8 published factors. 44 are open 24/7, 61 open Saturdays and 46 open Sundays, based on posted hours. The median Google rating is 4.8★ across 161 rated businesses.
Top 10 plumbers in Oconomowoc at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Oconomowoc Plumbing | 90 | 4.9★ (127) | Oconomowoc | 24/7 | Overall |
| 2 | Brisc Plumbing | 89 | 4.9★ (555) | Watertown, 13 mi away | 24/7 | Emergencies |
| 3 | Brisc plumbing | 88 | 5.0★ (33) | Oconomowoc | 24/7 | — |
| 4 | Kelly James Well Pump & Plumbing, Inc. | 87 | 5.0★ (126) | Oconomowoc | 24/7 | — |
| 5 | Kettle Moraine Heating & Air Conditioning, LLC | 87 | 4.9★ (4,102) | Delafield, 9 mi away | 24/7 | — |
| 6 | Preferred Plumbing | 87 | 4.9★ (149) | Brookfield, 15 mi away | 24/7 | — |
| 7 | Blau Sudden Service | 86 | 4.7★ (1,633) | Brookfield, 24 mi away | 24/7 | — |
| 8 | Mr. Rooter Plumbing of Southeast WI | 85 | 4.6★ (625) | Brookfield, 18 mi away | 24/7 | — |
| 9 | Quality Heating, Cooling, Plumbing & Electric | 85 | 4.9★ (1,113) | Brookfield, 18 mi away | 24/7 | — |
| 10 | Thielmann Heating, Cooling & Plumbing | 85 | 4.9★ (1,665) | New Berlin, 21 mi away | 24/7 | — |
The 161 best plumbers in Oconomowoc, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Based in Watertown, 13 mi away
89/100CR ScoreRanked #2 because of its Google rating and availability: 4.9★ from 555 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 555 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 207 N 3rd St, Watertown, WI 53094
Based in Oconomowoc
88/100CR ScoreRanked #3 because of its Google rating and availability: 5.0★ from 33 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 33 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 148 E Wisconsin Ave, Oconomowoc, WI 53066
Based in Oconomowoc
87/100CR ScoreRanked #4 because of its Google rating and availability: 5.0★ from 126 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 126 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- N72W38196 Lang Rd, Oconomowoc, WI 53066
Based in Delafield, 9 mi away
87/100CR ScoreRanked #5 because of its Google rating and availability: 4.9★ from 4,102 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 4,102 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- W325 S1767, Mickle Rd, Delafield, WI 53018
Based in Brookfield, 15 mi away
87/100CR ScoreRanked #6 because of its Google rating and availability: 4.9★ from 149 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 149 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Brookfield, 24 mi away
86/100CR ScoreRanked #7 because of its Google rating and availability: 4.7★ from 1,633 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.7★ from 1,633 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Brookfield, 18 mi away
85/100CR ScoreRanked #8 because of its Google rating and availability: 4.6★ from 625 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.6★ from 625 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2836 N Brookfield Rd Ste A, Brookfield, WI 53045
Based in Brookfield, 18 mi away
85/100CR ScoreRanked #9 because of its Google rating and availability: 4.9★ from 1,113 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 1,113 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2840 N Brookfield Rd Ste 2, Brookfield, WI 53045
Based in New Berlin, 21 mi away
85/100CR ScoreRanked #10 because of its Google rating and availability: 4.9★ from 1,665 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 1,665 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 17020 W National Ave, New Berlin, WI 53151
Based in Lake Mills, 4 mi away
84/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 46 Google reviews, listed on Google as “Plumber”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
- 5.0★ from 46 Google reviews
Based in Brookfield, 23 mi away
84/100CR ScoreRanked #12 because of its Google rating and availability: 4.9★ from 117 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 117 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Sussex, 15 mi away
84/100CR ScoreRanked #13 because of its Google rating and availability: 4.5★ from 181 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.5★ from 181 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- N63 W22639, Main St Suite 108, Sussex, WI 53089
Based in Menomonee Falls, 21 mi away
84/100CR ScoreRanked #14 because of its Google rating and availability: 4.7★ from 2,977 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.7★ from 2,977 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- W134 N5368 Campbell Dr, Menomonee Falls, WI 53051
Based in Slinger, 18 mi away
83/100CR ScoreRanked #15 because of its Google rating and availability: 4.9★ from 409 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 409 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 105 W Commerce Blvd, Slinger, WI 53086
Based in Brookfield, 20 mi away
83/100CR ScoreRanked #16 because of its Google rating and availability: 4.9★ from 482 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 482 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 405 N Calhoun Rd, Brookfield, WI 53005
#17 Ihn Company
Based in Pewaukee, 13 mi away
83/100CR ScoreRanked #17 because of its Google rating and availability: 4.3★ from 174 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.3★ from 174 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 633 Cecelia Dr, Pewaukee, WI 53072
Based in Jackson, 22 mi away
83/100CR ScoreRanked #18 because of its Google rating and review volume: 4.8★ from 7,086 Google reviews, the most Google reviews on this list (7,086).
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.8★ from 7,086 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- W204N16635 Jackson Dr, Jackson, WI 53037
Based in Milwaukee, 24 mi away
83/100CR ScoreRanked #19 because of its Google rating and availability: 4.8★ from 91 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.8★ from 91 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5829 N 96th St, Milwaukee, WI 53225
Based in Mukwonago, 16 mi away
82/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 116 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 116 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat–Sun 8 AM–4 PM
- Address
- W312S7781 Edna Ct, Mukwonago, WI 53149
Based in Oconomowoc
82/100CR ScoreRanked #21 because of its Google rating and availability: 4.9★ from 63 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 63 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- W1536 County Rd B, Sullivan, WI 53178
Based in Brookfield, 19 mi away
82/100CR ScoreRanked #22 because of its Google rating and availability: 4.5★ from 87 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.5★ from 87 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Wauwatosa, 23 mi away
82/100CR ScoreRanked #23 because of its Google rating and availability: 5.0★ from 247 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 247 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 110 N 121st St, Wauwatosa, WI 53226
Based in Delafield, 5 mi away
82/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.7★ from 31 Google reviews, listed on Google as “Plumber”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
- 4.7★ from 31 Google reviews
- Address
- N44 W, 32810 Watertown Plank Rd B, Nashotah, WI 53058
Based in Hartland, 8 mi away
82/100CR ScoreRanked #25 because of its Google rating and availability: 3.7★ from 12 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 3.7★ from 12 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- N76W30500 County Rd VV, Hartland, WI 53029
Plumbers ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 161 ranked plumbers here; the rest are on their profiles.
Also serving Oconomowoc
20 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 |
|---|---|---|
| 24/7 Plumbing Services Inc | 5.0★ (1) | 18 mi |
| Advance Waterworks Plumbing | 5.0★ (1) | 21 mi |
| Affordable Plumbing | 5.0★ (1) | 16 mi |
| American Plumber | 5.0★ (2) | 22 mi |
| Aqua-Tech Plumbing | 5.0★ (2) | 22 mi |
| Beaver Bros Tree & Landscape LLC (Sun Prairie, WI 53590) | 1.0★ (1) | 16 mi |
| Bri-An Phc Llc | 4.2★ (10) | 14 mi |
| Centgraf Plumbing LLC | 3.0★ (2) | 22 mi |
| Dependable Plumbing Services | 1.0★ (1) | 20 mi |
| Discount Drain & Sewer Cleaning | 4.0★ (8) | 24 mi |
| Fennig Plumbing & Heating Inc | 4.2★ (5) | 23 mi |
| Integrity Drainage Solutions, LLC | 3.0★ (2) | 21 mi |
| Joe DeBelak Plumbing & Heating Co Inc | 4.0★ (64) | 21 mi |
| Ken's 4 Season Group | 4.5★ (55) | 20 mi |
| Lake Shore Burial Vault Co., Inc. | 5.0★ (2) | 17 mi |
| Legacy Plumbing LLC | 5.0★ (1) | 9 mi |
| Mark Schneider Plumbing | 4.5★ (11) | 14 mi |
| MBW Plumbing Co Inc | 5.0★ (1) | 22 mi |
| Whitcomb Plumbing & Pump Services | 4.5★ (2) | 11 mi |
| Z Plumberz of Greater Milwaukee | 5.0★ (1) | 21 mi |
How much do plumbers cost in Oconomowoc?
National price ranges in USD, not adjusted for Oconomowoc. 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 |
How to check a plumber's license in Wisconsin
In Wisconsin, Wisconsin Department of Safety and Professional Services licenses Plumbing work: water supply, drain, waste and vent piping and fixtures.
- Search the business name or license number on the Wisconsin Department of Safety and Professional Services license lookup.
- Check that the status is active and the name matches the contract or truck.
- 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 Oconomowoc plumbers
We scored 161 Oconomowoc 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 Oconomowoc 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 |
Plumbers in Oconomowoc: frequently asked questions
Who is the best plumber in Oconomowoc?
By CR Score, the highest-ranked plumber in Oconomowoc, WI is Oconomowoc Plumbing with a CR Score of 90/100. It has 4.9★ from 127 Google reviews. It is open 24/7. Brisc Plumbing (#2) and Brisc plumbing (#3) follow. We ranked 161 plumbers on 8 factors, last updated October 22, 2026.
How many plumbers are there in Oconomowoc?
ContractorsRanked ranks 161 plumbers serving Oconomowoc, WI. 5 of them are based in Oconomowoc; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which plumbers in Oconomowoc are open 24/7?
44 ranked plumbers in Oconomowoc post 24/7 hours. The highest-ranked are Oconomowoc Plumbing (#1), Brisc Plumbing (#2) and Brisc plumbing (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which plumbers in Oconomowoc work on weekends?
61 of 161 ranked plumbers post Saturday hours and 46 post Sunday hours. The highest-ranked open Saturdays are Oconomowoc Plumbing (#1), Brisc Plumbing (#2) and Brisc plumbing (#3). Posted hours are office hours; crews may book weekend jobs separately.
How do I check a plumber's license in Wisconsin?
In Wisconsin, Wisconsin Department of Safety and Professional Services handles licensing and covers Plumbing work: water supply, drain, waste and vent piping and fixtures. Search the business or license number at https://online.drl.wi.gov/LicenseLookup/OrgCredentialSearchResults.aspx.
How much does water heater replacement cost in Oconomowoc?
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 Oconomowoc. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Oconomowoc plumbers have?
The median Google rating among 161 rated plumbers in Oconomowoc is 4.8★, with a median of 38 reviews. Mr. Holland's Home Services has the most, 7,086 reviews, and ranks #18. 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 Oconomowoc
- October 2026: CR Scores recalculated for 161 plumbers serving Oconomowoc.
More plumbers and Oconomowoc pages
Plumbers near Oconomowoc
- Plumbers in Delafield, WI217 ranked
- Plumbers in Hartland, WI230 ranked
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- Plumbers in Watertown, WI61 ranked
- Plumbers in Sussex, WI239 ranked
- Plumbers in Waukesha, WI248 ranked
- Plumbers in Hartford, WI138 ranked
- Plumbers in Jefferson, WI80 ranked
- Plumbers in Richfield, WI217 ranked
- Plumbers in Slinger, WI160 ranked
Other trades in Oconomowoc
- Roofers in Oconomowoc474 ranked
- Electricians in Oconomowoc121 ranked
- HVAC contractors in Oconomowoc185 ranked
- General contractors in Oconomowoc212 ranked
- Painters in Oconomowoc57 ranked
- Landscapers in Oconomowoc89 ranked
- Handymen in Oconomowoc15 ranked
- Kitchen remodelers in Oconomowoc136 ranked
- Bathroom remodelers in Oconomowoc146 ranked
- Flooring contractors in Oconomowoc124 ranked
- Tile installers in Oconomowoc17 ranked
- Drywall contractors in Oconomowoc9 ranked
- Concrete contractors in Oconomowoc151 ranked
- Fence contractors in Oconomowoc27 ranked
- Deck builders in Oconomowoc58 ranked
- Siding contractors in Oconomowoc263 ranked
- Window installers in Oconomowoc229 ranked
- Gutter installers in Oconomowoc96 ranked
- Insulation contractors in Oconomowoc23 ranked
- Solar installers in Oconomowoc21 ranked
- Garage door repair companies in Oconomowoc35 ranked
- Foundation repair companies in Oconomowoc58 ranked
- Tree services in Oconomowoc173 ranked
- Masonry contractors in Oconomowoc73 ranked
- Water damage restoration companies in Oconomowoc165 ranked
- Home builders in Oconomowoc169 ranked
- Demolition contractors in Oconomowoc24 ranked
- All contractors in Oconomowoc