Palos Park, IL Radon Levels

Q: What EPA Radon Zone is Palos Park in?

Palos Park is in Cook County, EPA Zone 2.

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

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

Check local Palos Park radon levels and find certified testing and mitigation professionals to keep your home safe

Palos Park, IL Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Cook County, IL

Zip Code 60464

Located in southwest Cook County, Palos Park's homes are built on the same glacial till and limestone bedrock geology that creates elevated radon potential across the Chicago metro area. While specific testing data for this 60464 community is currently limited, the area's geological conditions warrant homeowner attention. The village's mix of ranch and two-story homes with full basements should be tested for radon accumulation.

6.44

pCi/L area average

Above EPA Action Level

Cook County average: 6.44 pCi/L, based on 82 user-submitted tests across 40 cities in the county. No homeowner readings have been submitted for Palos Park itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Palos Park, IL Radon Mitigation

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

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Radon Readings Near Palos Park, IL

No homeowner tests have been submitted for Palos Park yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Palos Heights	3.1 mi	5.00 pCi/L	1
Orland Park	3.7 mi	7.00 pCi/L	3
Willow Springs	5.3 mi	5.50 pCi/L	2
Tinley Park	6.4 mi	7.67 pCi/L	3
Homer Glen	6.9 mi	4.33 pCi/L	3
Willowbrook	7.1 mi	6.00 pCi/L	1
Lemont	7.1 mi	16.00 pCi/L	1
Burbank	7.1 mi	2.00 pCi/L	1

Cook County Radon Profile

Cook County is mapped as EPA Radon Zone 2, where the local geology is predicted to produce moderate indoor screening levels between 2 and 4 pCi/L. Homeowner-submitted tests from 40 cities in Cook County average 6.44 pCi/L across 82 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Cook County.

Radon FAQ for Palos Park, IL

What EPA Radon Zone is Palos Park in?

Palos Park and the 60464 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.

Why are radon readings shown from areas near Palos Park?

No homeowner radon tests have been submitted for Palos Park yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Cook County average—are the best available indicator of local conditions until Palos Park homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Palos Park?

Radon mitigation in Palos Park 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 Park?

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.