The Best Sink Repair Services in Wisconsin
We graded 3 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.
From 18,304 Google reviews of 23 top-rated sink repair services nationwide; 3 of them in Wisconsin. Updated October 28, 2026.
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Best sink repair services in Wisconsin for plumbing leak detection
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Karlsen Plumbing Inc.How Job match is calculatedBuilt only from reviews Google tagged “Plumbing leak detection”:Stars on this job 55%5.00★Number of such jobs 25%7Overall Experts Score 20%81Job match= 89Stars are pulled toward the category average (4.84★) when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.89
Koenen's Water Works Plumbing Co. LLCHow Job match is calculatedBuilt only from reviews Google tagged “Plumbing leak detection”:Stars on this job 55%5.00★Number of such jobs 25%4Overall Experts Score 20%65Job match= 79Stars are pulled toward the category average (4.84★) when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.79Job match = this company’s ★ on reviews Google tagged “Plumbing leak detection” (shrunk toward the category average when there are few), how many such jobs it has done, and its overall Experts Score.
What customers said about plumbing leak detection
Koenen's Water Works Plumbing Co.…Amazing job , fast response, fait pricing. Great company. Hard workers will 100% recommend
Karlsen Plumbing Inc.Scott replaced broken part inside tub faucet which stopped the leaking for one week. When leak started again, you responded same day I called & replaced defective new part successfully. No charge for the second call. All workers were professional & efficient. Did a great job !
Karlsen Plumbing Inc.Mike?, was very professional and knowledgeable about what he was talking about,my wife said he was very nice and wasn't creepy at all 😂. Thanks again Mike
Karlsen Plumbing Inc.Carlson was the most honest, polite, got the job done, and I'm happy with the results. Also, a shout out to Crane plumbing for the referral. Awesome job!
Karlsen Plumbing Inc.Karlsen took care of the human factors part of several complicated issues in addition to get the plumbing work done. They are patient & understanding with customers who are not subject matter experts. They are easy to reach, responsive when it really counts, pick up the phone, and keep notes on customer details.…
Koenen's Water Works Plumbing Co.…I recently had to call Koenen Waterworks & Plumbing, and I was very impressed with their responsiveness. They answered quickly and were able to schedule a visit without delay. The plumber who came out was not only professional but also extremely informative and helpful. He clearly explained the issue I was having,…
Overall ratings
Experts Score 0–100Experts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. and a letter grade per factor (A = top 20% of sink repair services).
| # | Company | ScoreExperts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. | FactorsFactor grades, in orderSatisfaction (54%): Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.Reliability (24%): How rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.Craft & service (0%): Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.Value (14%): Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.Momentum (0%): Penalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.Replies to reviews (7%): How often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.One letter per factor score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = below 20. | ★Google star rating as shown on Google Maps. | Typical billMedian bill customers of this company reported in their reviews (needs 3+ priced reviews). |
|---|---|---|---|---|---|
| 1 |  EZ Plumbing SolutionsBristol, WI | A 94How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%96+52.4Reliability 24%99+24Value 14%80+11.3Replies to reviews 7%92+6.5Craft & service penalty99−0.1Experts Score= 94Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.97 | $693 |
| 2 | Karlsen Plumbing Inc.Milwaukee, WI | A 81How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%84+45.8Reliability 24%84+20.4Value 14%78+11Replies to reviews 7%67+4.7Craft & service penalty87−1.3Experts Score= 81Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAABAB | 4.81 | $618 |
| 3 | Koenen's Water Works Plumbing Co. LLCBristol, WI | B 65How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%71+38.7Reliability 24%47+11.4Value 14%92+13Replies to reviews 7%34+2.4Craft & service penalty99−0.1Experts Score= 65Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BCAAAD | 4.62 | $595 |
What jobs cost
What customers paid, from the price Google asks reviewers to report.
| Job | Low25th percentile: 1 in 4 customers paid less than this. | TypicalMedian of the bill customers reported in their Google review (Google asks reviewers for a price range; we use the middle of each range). | High75th percentile: 1 in 4 customers paid more than this. | FairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”. |
|---|---|---|---|---|
| Drain cleaning | $328 | $432 | $517 | 92% |
| Plumbing pipe repair | $327 | $556 | $942 | 96% |
| Toilet repair | $228 | $379 | $585 | 94% |
| Heating system maintenance | $27 | $114 | $219 | 96% |
| A/C system maintenance | $26 | $55 | $166 | 99% |
| Plumbing leak detection | $205 | $285 | $520 | 96% |
| HVAC system maintenance | $19 | $54 | $135 | 98% |
| Water heater installation | $1.2k | $1.9k | $2.8k | 97% |
| Faucet repair | $133 | $346 | $480 | 97% |
| Heating system repair | $78 | $210 | $412 | 81% |
| A/C system repair | $188 | $432 | $585 | 93% |
| Plumbing leak repair | $352 | $498 | $1.1k | 98% |
Sink Repair Services in Wisconsin at a glance
How the 3 sink repair services we rated in Wisconsin compare, and what customers praise most.
Experts Score grades
A = score 80+, F = below 20.
- Grade A267%
- Grade B133%
- Grade C00%
- Grade D00%
- Grade F00%
Google ratings
Average stars per company.
- 4.90★ and up133%
- 4.80–4.89★133%
- 4.60–4.79★133%
- Below 4.60★00%
What customers praise
Share of Google review highlights.
- Quality3,37520%
- Professionalism4,09225%
- Responsiveness3,46221%
- Punctuality3,29220%
- Value2,41014%
Was the price fair?
All price verdicts left with reviews.
- Great price67529%
- Reasonable1,37559%
- Overpriced1125%
- Not sure1757%
Price verdicts by year
Share calling it great / reasonable / overpriced.
How we grade
Satisfaction (54%) — Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.
Reliability (24%) — How rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.
Craft & service (penalty, up to −10) — Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.
Value (14%) — Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.
Momentum (penalty, up to −10) — Penalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.
Replies to reviews (7%) — How often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.