First Class Plumbing & AC
Plumber · Glendora, CA · Open 24 hours per Google listing
Our verdict
Perfect 5.0 across 5 Google reviews (reviewConsistency=1.0, 100% positive sentiment) — a brand-new track record with water heater and main line sewer work mentioned but zero reviews predating May 2026.
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 ↗
Lists 24-hour service on its Google profile — and reviewers describe after-hours calls.
Only 5 reviews analyzed — treat this assessment as a first impression, not a track record.
What reviewers praise
On-time arrival and same-day completion cited in 2 of 5 reviews; main line sewer issue fixed without setbacks per reviewer
2 cited reviews
“They showed up on time, explained everything clearly, and got the job done quickly.”
“By far the best company I've had and solve a problem i had with a main line issue. Very responsive, professional and knowledgeable with what they were doing. Fixed the problem with no set backs. Affordable and honest company.”
Affordable pricing noted explicitly for main line repair; tech explained scope clearly before and during job
1 cited review
“By far the best company I've had and solve a problem i had with a main line issue. Very responsive, professional and knowledgeable with what they were doing. Fixed the problem with no set backs. Affordable and honest company.”
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
“First class plumbing came out to replace my water heater. The young men were very knowledgeable and got the job done quickly. Thank you so much. Will use you again.”
“Great experience with First Class Plumbing and Rooter and ac! The customer service was amazing and the employees were very professional, friendly, and helpful. They showed up on time, explained everything clearly, and got the job done quickly. Definitely recommend them if you want reliable and honest service!”
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 5 reviews so far. Treat this as a first read.
Newest review in our sample: May 2026.
Should you hire First Class Plumbing & AC?
Hire if
- You need a plumber who actually shows up when scheduled
- You need fast same-day or after-hours response
Think twice if
- You need rock-bottom prices with zero flexibility on the quote
- You need warranty-grade work on a complex or high-stakes install
Advice derived from the review analysis above — how we decide.
Own First Class Plumbing & AC?
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
First Class Plumbing & ACisn't in one of our ranked city guides yet — the nearest covered markets are below.
Nearby: West Covina · Upland · Mount Wilson · Chino Hills