The 6 best-rated radon testing services in Mount Dora, FL average 5.0★ on Google across 1,482 reviews. Grant Inspection Services has the top rating (5.0★). Updated October 25, 2026.
6 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (1,482 reviews combined) and currently operating. Request a call back and the company will phone you directly.
“Once again I must thank Tami and John for the excellent service. This was not my first experience with them but the results were absolutely the same. They were wonderful to work with and their report was most…” — Google review
“We had Vince come and do the 4-point inspection on the home we were looking to buy. He was so professional and thorough it was really reassuring to know we have the best and fullest report on our house-to-be. We…” — Google review
“The technician, River, was very friendly, professional, and answered all my questions. I would not hesitate to recommend Air Quality Experts.” — Google review
“Kyle came all the way to Lakeland to inspect a home that we liked. He did not rush the job, he inspected every room thoroughly and explained everything he did every step of the way. They are extremely experienced and…” — Google review
“Debbie did an amazing job for us by performing the most detailed and thorough home inspection that a buyer could ask for. Unfortunately, the home that was inspected had numerous issues that we as potential home buyer…” — Google review
“We had a great experience with this company for mold inspection and air quality testing in our home. Sam was professional, thorough, and very knowledgeable throughout the entire process. He took the time to explain…” — Google review
We scan Google Maps for radon testing service listings in and around Mount Dora, 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.
Grant Inspection Services has the highest Google rating on our Mount Dora list: 5.0 out of 5 from 978 reviews (as of October 25, 2026).
Grant Inspection Services has the most Google reviews among the companies listed here: 978, with a 5.0★ average.
Only open Mount Dora-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.