Hilliard, OH Radon Levels

Q: What is the average radon level in Hilliard, OH?

Based on 4 user-submitted tests, the average radon level is 11.80 pCi/L.

Q: What EPA Radon Zone is Hilliard in?

Hilliard is in Franklin County, EPA Zone 1.

Q: How much does radon mitigation cost in Hilliard?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Check local Hilliard radon levels and find certified testing and mitigation professionals to keep your home safe

Hilliard, OH Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Franklin County, OH

Zip Code 43026

Avg. User Level 11.80 pCi/L

User Tests 4

Located in Franklin County within the Columbus Metro area, Hilliard shows an average radon level of 11.75 pCi/L based on local testing data, significantly exceeding the EPA action level of 4.0 pCi/L. The community's predominantly suburban housing stock from the 1960s-1990s features full basements over Ohio shale and limestone bedrock that contributes to elevated readings. Residents in zip code 43026 should prioritize radon testing and mitigation.

11.80

pCi/L average

Above EPA Action Level

Based on 4 user-submitted radon tests for homes in Hilliard, OH. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Hilliard, OH Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Need Radon Mitigation or Testing in Hilliard?

100% Free, No-Obligation Quotes
Matches You with State-Licensed Franklin County Pros

1-800-299-3578 440-249-4202 (local) Toll-free · Mon–Fri 8am–6pm ET

Hilliard, OH Radon Levels

User-submitted radon test readings from homes in the Hilliard area.

Radon Level	City	Home Age	Foundation
20 pCi/L	Hilliard, OH	21-50 Years	Partial Basement
4 pCi/L	Hilliard, OH	21-50 Years	Partial Basement
6 pCi/L	Hilliard, OH	21-50 Years	Partial Basement
17 pCi/L	Hilliard, OH	21-50 Years	Partial Basement

Have a radon test result for Hilliard? Submit your reading to help other homeowners.

Radon FAQ for Hilliard, OH

What is the average radon level in Hilliard, OH?

Based on 4 user-submitted tests, the average radon level in Hilliard is 11.80 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is Hilliard in?

Hilliard and the 43026 zip code are in Franklin County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

How much does radon mitigation cost in Hilliard?

Radon mitigation in Hilliard typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.

Should I test for radon if I'm buying a home in Hilliard?

Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.

Most Active Radon Markets in Ohio

Cities in Ohio with the most user-submitted radon test data, ranked by number of submissions.

City	Avg User Radon Level	Submissions
Marietta	8.00 pCi/L	5
Cincinnati	5.20 pCi/L	5
Hilliard	11.75 pCi/L	4
Wilmington	5.25 pCi/L	4
Newark	15.00 pCi/L	3
Athens	11.33 pCi/L	3
Findlay	10.33 pCi/L	3
Perrysburg	9.67 pCi/L	3
Powell	8.33 pCi/L	3
Columbus	6.00 pCi/L	3

Hilliard, OH Radon Levels

Check local Hilliard radon levels and find certified testing and mitigation professionals to keep your home safe

Hilliard, OH Radon Facts

Hilliard, OH Radon Mitigation

Need Radon Mitigation or Testing in Hilliard?

Hilliard, OH Radon Levels

Radon FAQ for Hilliard, OH

Most Active Radon Markets in Ohio

Free Radon Mitigation Quote

Free Radon Mitigation Quote