Frank J. Klein & Sons Inc.
Plumber · Pikesville, MD
Our verdict
4.9 stars across 22 Google reviews; all 5 sampled are 5-star; fast_response=2, professional=4, fair_pricing=1; same-day furnace fix within 1 hour of call; AC replacement completed within one week of approval.
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
Within-1-hour arrival for furnace short-cycling call confirmed in 1 of 5 sampled reviews; fixed same day at a very reasonable fee
1 cited review
“They came out within 1 hour after contacting them. They fixed my issue the same day for a very reasonable fee. The technician was professional, honest and careful with my home.”
Entire AC system replacement scheduled and completed in under one week from approval — crew arrived promptly and finished in one day
1 cited review
“As soon as I approved the work, they had it scheduled and completed within a week. The crew arrived promptly, completed everything in one day, and left my ho”
Pricing described as fair vs a good handful of competitive quotes; handwritten thank-you note sent post-job
1 cited review
“As someone who did receive a good handful of quotes before moving forward with the project, I found their pricing to be fair. Communication via phone and e-mail was great.”
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 woke up this morning to no heat. My furnace was short cycling. I called this company after several recommendations on next door. They came out within 1 hour after contacting them. They fixed my issue the same day for a very reasonable fee. The technician was professional, honest and careful with my home. I highly recommend them and will be using them for all the future maintenance on my system. Honest and reliable …”
“Frank J Klein and Sons replaced our AC unit. As someone who did receive a good handful of quotes before moving forward with the project, I found their pricing to be fair. Communication via phone and e-mail was great. The team that came out was kind and worked efficiently. They followed up the job with an cute handwritten thank you note which is a small detail but made me feel they valued my business. I hope I don't …”
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 22 reviews so far. Treat this as a first read.
Newest review in our sample: Nov 2025.
Should you hire Frank J. Klein & Sons Inc.?
Best for
- Emergency and same-day calls
- Budget-conscious homeowners
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 detailed walkthroughs and written estimates before work starts
Advice derived from the review analysis above — how we decide.
Own Frank J. Klein & Sons Inc.?
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
Frank J. Klein & Sons Inc.isn't in one of our ranked city guides yet — the nearest covered markets are below.
Nearby: Pikesville · Sparks Glencoe · Boring · Baltimore