Ithaca, NY Radon Mitigation and Testing

Q: What is the average radon level in Ithaca, NY?

Based on 1 user-submitted tests, the average radon level is 6.00 pCi/L.

Q: What EPA Radon Zone is Ithaca in?

Ithaca is in Tompkins County, EPA Zone 1.

Q: How much does radon mitigation cost in Ithaca?

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

Avg: 6.00 pCi/L

Tompkins County

EPA Zone 1

1 user test

Home to Cornell University in Tompkins County, Ithaca demonstrates an average radon level of 6.0 pCi/L that exceeds the EPA's 4.0 pCi/L action threshold. The city's location among the Finger Lakes' glacial deposits and shale bedrock contributes to elevated radon potential throughout the region. Both campus-area housing and hillside homes with basements should prioritize testing and consider mitigation systems.

6.00

pCi/L average

Above EPA Action Level

Based on 1 user-submitted radon test for homes in Ithaca, NY. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Ithaca, NY Radon Mitigation

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

Ithaca, NY Radon Testing

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

Ithaca, New York Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
6 pCi/L	Ithaca, NY	21-50 Years	Full Basement	Aug 2024

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

Ithaca Radon Facts

Key details about the radon risk profile for Ithaca and the 14850 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Tompkins County, NY

Zip Code

14850

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

6.00 pCi/L

User Tests Submitted

Ithaca and the 14850 zip code are located in Tompkins 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 Ithaca, NY

What is the average radon level in Ithaca, NY?

Based on 1 user-submitted test, the average radon level in Ithaca is 6.00 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 Ithaca in?

Ithaca and the 14850 zip code are in Tompkins 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 Ithaca?

Radon mitigation in Ithaca 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 Ithaca?

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