Analyzing 5,377,1955.4M Reviews For 14,40614.4K Experts
The 3 best-rated radon testing services in Redding, CA average 5.0★ on Google across 391 reviews. National Property Inspections Redding has the top rating (5.0★), and Professional Exterminators of Redding has the most reviews (181). Updated October 26, 2026.
3 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (391 reviews combined) and currently operating. Request a call back and the company will phone you directly.
“I appreciated Bubba's thoroughness with the home inspection report and his great understanding of homes. He was very easy to work with and I appreciated his flexibility on scheduling to the home inspection completed…” — Google review
“Our Technician Mike has been very professional while working with us. He has been communicative as needed and has been courteous to work around our particular needs. I would highly recommend him and Pro.…” — Google review
“Rylan was awesome from start to finish. He took time to explain any concerns and indicated what kind of professional would be needed to fix them. His portal is extremely easy to use and allows for many different…” — Google review
We scan Google Maps for radon testing service listings in and around Redding, 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.
National Property Inspections Redding has the highest Google rating on our Redding list: 5.0 out of 5 from 162 reviews (as of October 26, 2026).
Professional Exterminators of Redding has the most Google reviews among the companies listed here: 181, with a 4.9★ average.
Only open Redding-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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