United Plumbing & Water Heaters
Plumber · Milpitas, CA
Our verdict
Perfect 5 stars across 147 reviews — all 5 analyzed are 5-star; Neo and Oscar named for clear upfront communication, tankless water heater installed flawlessly, and proactive inspection catching future issues before they escalated.
Scores are our editorial reading of published customer reviews — not a verification, license check, or guarantee.
Our opinion, based on the 5 reviews we analyzed from Google, Yelp and BBB · Analysis updated Jun 2026 · How we decide ↗
Only 5 reviews analyzed — treat this assessment as a first impression, not a track record.
What reviewers praise
Tankless water heater installed flawlessly; returned immediately during holidays when minor pipe issues arose post-install
1 cited review
“Teo from their team helped us with a new tankless water heater to replace an old one. The installation was done flawlessly. We later had some minor pipe issues, and they came to help us immediately even during the holidays. Thank you and really appreciate it!”
Oscar inspected for potential future issues beyond the leaking toilet fix — proactive scope prevented downstream problems
1 cited review
“Oscar was outstanding! He communicated clearly and professionally from start to finish, providing a thorough explanation of the issue with our leaking toilet and outlining the best solutions. He didn't just fix the immediate problem—he went above and beyond by proactively inspecting for potential future issues.”
Neo communicated clearly, arrived punctually, and offered one of the most cost-effective bids received without cutting corners
2 cited reviews
“Neo arrived quickly, fixed the pipe leak professionally, and communicated clearly throughout. He was punctual, offered very fair prices, and is a certified professional. The office staff were responsive and reliable.”
“United Plumbing did an excellent job replacing our water heater and installing a flood-stop valve and pressure valve. Neo and Islam were very diligent, professional, and took the time to answer all our questions and concerns. They also offered one of the most cost-effective bids we received, without cutting corners.”
What reviewers report — the concerns
We looked for patterns of complaints in the 5reviews we analyzed and didn't find any. That's rare — but it's a reading of published reviews, not a guarantee.
The evidence — in reviewers' own words
Positive
“We had a great experience with United. Teo from their team helped us with a new tankless water heater to replace an old one. The installation was done flawlessly. We later had some minor pipe issues, and they came to help us immediately even during the holidays. Thank you and really appreciate it!”
“Highly recommended plumber – Neo! Neo arrived quickly, fixed the pipe leak professionally, and communicated clearly throughout. He was punctual, offered very fair prices, and is a certified professional. The office staff were responsive and reliable. Highly recommended.”
Quotes are reproduced verbatim from public reviews on the platforms shown; we select which to feature, and selection reflects our editorial judgment. Report a quote that doesn't match its source ↗
The rating picture
Small sample — we've analyzed only 5 of 147 reviews so far. Treat this as a first read.
Newest review in our sample: Feb 2026.
Should you hire United Plumbing & Water Heaters?
Best for
- Emergency and same-day calls
- Budget-conscious homeowners
- Complex installs and remodels
- Water heater install/repair
Hire if
- You need a plumber who actually shows up when scheduled
- You need clear communication and upfront explanations
Think twice if
- You need guaranteed sub-hour response for true emergencies
- You need rock-bottom prices with zero flexibility on the quote
Advice derived from the review analysis above — how we decide.
Own United Plumbing & Water Heaters?
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