Knowlesville, NY Radon Mitigation and Testing

Q: What EPA Radon Zone is Knowlesville in?

Knowlesville is in Orleans County, EPA Zone 2.

Q: How much does radon mitigation cost in Knowlesville?

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

Orleans County

EPA Zone 2

Situated in Orleans County along the southern shore of Lake Ontario, Knowlesville lies within the Rochester Metro's glacial lake plain geology. With testing data currently unavailable for zip code 14479, homeowners in this area should test their properties, as the region's clay-rich soils over limestone bedrock can create conditions conducive to radon accumulation.

Knowlesville, NY Radon Mitigation

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

Knowlesville, NY Radon Testing

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

Knowlesville Radon Facts

Key details about the radon risk profile for Knowlesville and the 14479 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Orleans County, NY

Zip Code

14479

Predicted Screening Level

2–4 pCi/L (Zone 2)

Knowlesville and the 14479 zip code are located in Orleans County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Knowlesville, NY

What EPA Radon Zone is Knowlesville in?

Knowlesville and the 14479 zip code are in Orleans 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 Knowlesville?

Radon mitigation in Knowlesville 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 Knowlesville?

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