Palos Hills, IL Radon Mitigation and Testing

Q: What EPA Radon Zone is Palos Hills in?

Palos Hills is in Cook County, EPA Zone 2.

Q: How much does radon mitigation cost in Palos Hills?

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

Cook County

EPA Zone 2

Palos Hills sits atop the glacial till deposits of southwest Cook County, where underlying limestone bedrock contributes to elevated radon potential throughout the Chicago metro region. Testing data for the 60465 zip code area remains limited, making individual home testing essential for residents. The community's postwar housing stock with full basements creates ideal conditions for radon accumulation if present.

Palos Hills, IL Radon Mitigation

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

Palos Hills, IL Radon Testing

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

Palos Hills Radon Facts

Key details about the radon risk profile for Palos Hills and the 60465 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Cook County, IL

Zip Code

60465

Predicted Screening Level

2–4 pCi/L (Zone 2)

Palos Hills and the 60465 zip code are located in Cook 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 Palos Hills, IL

What EPA Radon Zone is Palos Hills in?

Palos Hills and the 60465 zip code are in Cook 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 Palos Hills?

Radon mitigation in Palos Hills 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 Palos Hills?

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 Illinois

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

City	Avg User Radon Level	Submissions
Buffalo Grove	6.10 pCi/L	10
Crystal Lake	7.25 pCi/L	8
Lake Zurich	6.00 pCi/L	7
Grayslake	5.00 pCi/L	7
New Lenox	10.17 pCi/L	6
Park Ridge	7.00 pCi/L	6
Arlington Heights	6.17 pCi/L	6
Waterloo	9.20 pCi/L	5
Palatine	7.80 pCi/L	5
Round Lake	7.80 pCi/L	5
Northbrook	6.20 pCi/L	5
Mchenry	11.00 pCi/L	4
Dekalb	8.75 pCi/L	4
Columbia	8.00 pCi/L	4
Lisle	7.25 pCi/L	4
Normal	7.25 pCi/L	4
Antioch	7.00 pCi/L	4
Elk Grove Village	7.00 pCi/L	4
Aurora	6.75 pCi/L	4
Hoffman Estates	6.75 pCi/L	4