#1
Radon Pros
“Very efficient. Installed fan in PVC pipe that builder had installed to attic from utility closet in basement. Wired and installed Nanometer. Radon reduced to .9 PCi/l. Economical, Very responsive.” — Google review
Best Radon Testing Services in Kansas City, MO
The 10 best-rated radon testing services in Kansas City, MO average 4.9★ on Google across 7,569 reviews. Radon Pros has the top rating (5.0★), and Legacy Home Inspections has the most reviews (2,572). Updated October 26, 2026.
10 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (7,569 reviews combined) and currently operating. Request a call back and the company will phone you directly.
#2
Vantage Home Inspection
“I highly recommend Vantage Home Inspection! He came out three separate times and was consistently professional, thorough, and positive every single time. He is exceptionally knowledgeable and identified scores issues…” — Google review
#3
Legacy Home Inspections
“We really appreciate the thoroughness and professionalism Legacy Home Inspections extended during the recent home inspection. Buying a home is one of the biggest decisions you can make, so you need someone you can…” — Google review
#4
Metro Property Inspection
“Michael did a great job with the inspection. He was very professional during the process, and his report was very thorough as well. Michael also went over things verbally in person at the end of the inspection, which…” — Google review
#5
Premier Inspection Services Inc.
“Mark was timely and thorough. I appreciated his expertise in knowing which items for repair were the most important. I highly recommend.” — Google review
#6
Bulldog Professional Inspection Services
“Steve did a great job with my home inspeaction and answered all my questions. I recommend him for anyone who is considering a residence in harrisonville.” — Google review
#7
Home Detective Property Inspections
“Sarika has gone above and beyond for me and continues to be a great resource for me to ask questions about anything and everything ! Her schedule is always flexible to work with me and my clients, and I love being…” — Google review
#8
A-Pro Home Inspection Kansas City
“Easy, informative, thorough. Brandon invited me to accompany him or wait till the end and we would review every single room. I honestly can't think of anything I could have hoped for that was better. I would hire him…” — Google review
#9
Certified Radon of Kansas City
“Jeremy got our radon mitigation appointment scheduled very quickly and in no time our system was installed in a professional and friendly manner. Top notch service, fair price, will recommend to all my neighbors.” — Google review
#10
HomeRun Certified Inspections
“They were on time and thorough. They did great explaining everything and following up to make sure we had everything we needed. I would use them again.” — Google review
How we pick radon testing services in Kansas City
We scan Google Maps for radon testing service listings in and around Kansas City, 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.
Frequently asked questions
Who is the highest-rated radon testing service in Kansas City?
Radon Pros has the highest Google rating on our Kansas City list: 5.0 out of 5 from 338 reviews (as of October 26, 2026).
Which radon testing service in Kansas City has the most reviews?
Legacy Home Inspections has the most Google reviews among the companies listed here: 2,572, with a 4.9★ average.
How are these radon testing services chosen?
Only open Kansas City-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.
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