Grady Property Inspections
5.0 (2 Google reviews)
Licensed Provider: Joseph E Grady

EPA zone context: The majority of Ohio counties are Zone 1, particularly northeastern and central regions. Ohio has one of the most widespread radon problems in the US.
5.0 (2 Google reviews)
Licensed Provider: Joseph E Grady
Licensed Provider: Mark Fast
Licensed Provider: Gale A Flowers
Licensed Provider: Joe Deafenbaugh
4.9 (59 Google reviews)
Licensed Provider: Brian Hatfield
Ohio Technical Services, Inc. is a dedicated radon services company serving Grove City, OH. Services include radon mitigation system installation, mitigation system design, radon testing, radon measurement. Methods include heat recovery ventilation. Holds Certified Radon Mitigation Specialist and Certified Radon Measurement Professional certifications. Rated 4.9/5 on Google based on 59 reviews.
5.0 (92 Google reviews)
Licensed Provider: David Yimsumruay
Radon Pros is a dedicated radon services company serving Grove City, OH. Services include radon testing, radon measurement. Methods include heat recovery ventilation. Holds Certified Radon Measurement Professional certification. Rated 5.0/5 on Google based on 92 reviews. Offers real estate transaction testing. Provides a 5-year warranty on mitigation systems.
4.9 (1240 Google reviews)
Licensed Provider: Tracey Y. Capuano
Licensed Provider: Roy L Stanley
Quantum Inspection Services Inc is a home inspection company with radon testing capabilities serving Newport, OH. Services include radon testing, radon measurement. Methods include heat recovery ventilation. Holds Certified Radon Measurement Professional certification. Offers real estate transaction testing, rush/priority scheduling, financing options, licensed and insured.
Harner Radon Relief is a dedicated radon services company serving Ravenna, OH. Services include radon mitigation system installation, mitigation system design, radon testing, radon measurement. Works with basements, crawlspaces. Methods include heat recovery ventilation. Holds Certified Radon Mitigation Specialist and Certified Radon Measurement Professional certifications. Offers free estimates, financing options.
Licensed Provider: James D Kurek
Radon levels vary house-to-house even in the same city. Testing your own home is the only reliable way to know your risk.
Yes. Ohio's residential property disclosure form includes a radon disclosure section. Sellers must disclose known test results.
Most homeowners in Ohio see mitigation quotes in the low-thousands, but the final cost depends on foundation type, fan location, and pipe routing complexity. A cost calculator can help you benchmark estimates before requesting bids.
Yes. A valid short-term or long-term test is the fastest way to confirm if mitigation is needed and to scope the right system design.
EPA recommends action at 4.0 pCi/L, and many homeowners choose to reduce levels even below that threshold. The majority of Ohio counties are Zone 1, particularly northeastern and central regions. Ohio has one of the most widespread radon problems in the US. ZIP-level lookup tools are useful for local context, but home testing is still required.
Look for current NRPP or NRSB credentials, ask for post-mitigation test expectations, and confirm local compliance details. Ohio requires radon testers and mitigators to be licensed by the Ohio Department of Health.
Estimate likely project pricing by foundation type and system complexity.
Learn when and how to test, plus how to interpret pCi/L results.
See how state-level risk varies and what zone maps can and cannot tell you.
Check projected local risk by ZIP code before you request quotes.