The 10 best-rated plumbers in Milwaukee, WI average 4.8★ on Google across 5,233 reviews. Optimal Plumbing — Milwaukee has the top rating (5.0★), and Knight Plumbing & Drain Cleaning has the most reviews (1,140). Updated October 25, 2026.
10 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (5,233 reviews combined) and currently operating. Request a call back and the company will phone you directly.
“Miltos did a great job solving my plumbing issue. After listening to me explain the problem, he told me what he planned to do to resolve my slow flow kitchen faucet. There were a number of options to work through.…” — Google review
“Highly recommend O&W heating and Cooling! Omir is absolutely fantastic! Prompt, friendly, extremely knowledgeable and professional. Schedule him for routine maintenance before he books up, this guy doesn’t miss…” — Google review
“The work was done in a timely manner. The plumber, Andy was professional and knowledgeable. The price was reasonable. I'd give you 6 stars if I could.” — Google review
“I had a great experience using Rozga. They were able to get out to me same day, were up front about their pricing, and the plumber was extremely thorough, explanatory, and friendly.” — Google review
“I was very impressed with how Viking Plumbing responded to my urgency in need of a bathroom remodel. I never worked with them before but was inspired by the plumbers they sent,Brian and Wyatt, for I saw how they took…” — Google review
“Called ABC sewer and drain cleaning. Had some blockage in my sewer lateral. There technician Brian came out, ran his camera thru the sewer to show me the blockage. Than he ran his snake thru the sewer to clean it out…” — Google review
“Our sewer line backed up into our basement, and since it was Saturday morning, we worried we wouldn't find anyone at a reasonable price. The price was lower than everywhere else we were quoted, and Jeff showed up the…” — Google review
“From the initial phone call, to the technician leaving. The entire process went smoothly and all involved did an outstanding job. I was well informed and excellent repairs competed in a timely manner. Thanks to all!” — Google review
“Guy who helped me is Jerome, he was ABSOLUTELY the best type of help. He had a coworker with him who was also helpful but I didn't get his name... eitherway. Just wanted to give a shout out if anyone reads these!” — Google review
“What started out as a stressful morning ended on a positive note. The MGA team was great at getting someone out to our house quickly and getting our cracked pipe repaired. They were kind, professional, and did an…” — Google review
We scan Google Maps for plumber listings in and around Milwaukee, keep only open businesses whose main category matches the service, and require a Google rating of at least 4.5 from at least 20 reviews. Companies are ordered by a confidence-weighted score that balances rating and review volume. We do not accept payment for placement.
Optimal Plumbing — Milwaukee has the highest Google rating on our Milwaukee list: 5.0 out of 5 from 301 reviews (as of October 25, 2026).
Knight Plumbing & Drain Cleaning has the most Google reviews among the companies listed here: 1,140, with a 4.8★ average.
Only open Milwaukee-area businesses whose Google category matches the service, rated at least 4.5★ from at least 20 Google reviews. They are ordered by a confidence-weighted score of rating and review volume. Placement is never paid.
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