Portsmouth, OH Radon Levels
Check local Portsmouth radon levels and find certified testing and mitigation professionals to keep your home safe
Portsmouth, OH Radon Facts
EPA Radon Zone
Zone 2 — Moderate Risk
2–4 pCi/L (Zone 2)
County
Scioto County, OH
Zip Code
45662
Positioned along the Ohio River in Scioto County, this community sits on river valley deposits over Paleozoic bedrock formations. Testing data for zip code 45662 remains unavailable, though the area's geological setting and older housing stock suggest homeowners should pursue professional radon evaluation. River valley locations can experience variable radon levels depending on specific soil and bedrock conditions.
Portsmouth, 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 Portsmouth?
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Radon FAQ for Portsmouth, OH
What EPA Radon Zone is Portsmouth in?
Portsmouth and the 45662 zip code are in Scioto County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.
How much does radon mitigation cost in Portsmouth?
Radon mitigation in Portsmouth 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 Portsmouth?
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 |