Mountain Valley Plumbing and Heating
Plumber · Longmont, CO
Our verdict
4.9★ across 814 reviews; 5 analyzed — weekend toilet leak fixed Monday with same-day technician dispatch; water heater and furnace replacement handled same day.
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
Same-day technician dispatch for weekend toilet leak; new toilet installed Monday per urgent call
1 cited review
“I had a toilet start to leak over the weekend and today (Monday) they were out here fixing the leak and installing a new toilet in a separate bathroom. The technician remembered me from past projects, took care to make sure I was fully informed of my options and was incredibly thorough.”
Technician remembered returning customer from 6 months prior and caught prior installer's condensate drain error proactively
1 cited review
“I had a toilet start to leak over the weekend and today (Monday) they were out here fixing the leak and installing a new toilet in a separate bathroom. The technician remembered me from past projects, took care to make sure I was fully informed of my options and was incredibly thorough.”
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
“I highly recommend Mountain Valley Plumbing and Heating! I had a toilet start to leak over the weekend and today (Monday) they were out here fixing the leak and installing a new toilet in a separate bathroom. The technician remembered me from past projects, took care to make sure I was fully informed of my options and was incredibly thorough. About six months ago, Mountain Valley Plumbing and Heating came out for a …”
“Fernando, Franco, and Gabe did excellent work! I am very pleased with their expertise and professionalism.. Zach, the project manager was very helpful in coordinating the install and answered all my questions. I will highly recommend Mountain Valley to my neighbors and friends!!! Thank you! Trudie Gilliam”
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 814 reviews so far. Treat this as a first read.
Newest review in our sample: Mar 2026.
Should you hire Mountain Valley Plumbing and Heating?
Best for
- Emergency and same-day calls
Hire if
- You need a plumber who actually shows up when scheduled
- You need high-quality work that holds up over time
Think twice if
- You need rock-bottom prices with zero flexibility on the quote
- You need guaranteed sub-hour response for true emergencies
Look elsewhere if
- You're highly price-sensitive
Advice derived from the review analysis above — how we decide.
Own Mountain Valley Plumbing and Heating?
You can respond to our analysis, correct business facts, or dispute the accuracy of a quoted review. Responses that check out get published on this page, and factual errors get corrected — see our corrections policy. We don't remove accurate quotes, but we'll re-run your assessment as your reviews change.
Find plumbers near you
Mountain Valley Plumbing and Heatingisn't in one of our ranked city guides yet — the nearest covered markets are below.
Nearby: Longmont · Lyons · Loveland · Platteville