Spencerville, OH Radon Mitigation and Testing

Q: What EPA Radon Zone is Spencerville in?

Spencerville is in Allen County, EPA Zone 1.

Q: How much does radon mitigation cost in Spencerville?

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

Allen County

EPA Zone 1

Found in Allen County in west-central Ohio, Spencerville sits in an area where glacial till deposits over bedrock can create conditions conducive to radon accumulation. Current testing data for the 45887 zip code is limited, emphasizing the need for homeowner-initiated testing. The community's mix of older homes and rural properties, many with basements typical of Ohio construction, makes individual radon assessment particularly important for residents.

Spencerville, OH Radon Mitigation

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

Spencerville, OH Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Spencerville Radon Facts

Key details about the radon risk profile for Spencerville and the 45887 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Allen County, OH

Zip Code

45887

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Spencerville and the 45887 zip code are located in Allen County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Spencerville, OH

What EPA Radon Zone is Spencerville in?

Spencerville and the 45887 zip code are in Allen 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 Spencerville?

Radon mitigation in Spencerville 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 Spencerville?

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 with the most user-submitted radon test data in the state.

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
Chagrin Falls	4.67 pCi/L	3
Hamilton	10.00 pCi/L	2
Chardon	5.50 pCi/L	2
Strongsville	4.50 pCi/L	2
Maineville	10.00 pCi/L	1
Lancaster	9.00 pCi/L	1
West Chester	9.00 pCi/L	1
Amherst	6.00 pCi/L	1
Chillicothe	6.00 pCi/L	1
Lima	5.00 pCi/L	1