Portville, NY Radon Mitigation and Testing

Q: What EPA Radon Zone is Portville in?

Portville is in Cattaraugus County, EPA Zone 1.

Q: How much does radon mitigation cost in Portville?

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

Cattaraugus County

EPA Zone 1

Set in the Allegheny foothills of Cattaraugus County, this rural community sits on glacial deposits over sedimentary bedrock typical of western New York. Testing data for zip code 14770 is currently unavailable, making professional radon assessment important for local homeowners. The area's older homes often feature basements or crawl spaces where radon accumulation is most likely to occur.

Portville, NY Radon Mitigation

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

Portville, NY Radon Testing

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

Portville Radon Facts

Key details about the radon risk profile for Portville and the 14770 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Cattaraugus County, NY

Zip Code

14770

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Portville and the 14770 zip code are located in Cattaraugus 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 Portville, NY

What EPA Radon Zone is Portville in?

Portville and the 14770 zip code are in Cattaraugus 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 Portville?

Radon mitigation in Portville 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 Portville?

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 New York

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

City	Avg User Radon Level	Submissions
Brooklyn	10.80 pCi/L	5
Oneonta	6.50 pCi/L	4
Clifton Park	3.75 pCi/L	4
Elmira	15.00 pCi/L	3
Saugerties	10.67 pCi/L	3
Staten Island	4.00 pCi/L	3
New York	9.00 pCi/L	2
Yonkers	8.00 pCi/L	2
Horseheads	7.50 pCi/L	2
Poughkeepsie	16.00 pCi/L	1
Buffalo	4.00 pCi/L	1
Pelham	3.00 pCi/L	1