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Palos Heights, IL Radon Levels

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


Palos Heights, IL Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Cook County, IL
Zip Code 60463
Avg. User Level 5.00 pCi/L
User Tests 1

This southwest Chicago suburb in Cook County shows an average radon level of 5.0 pCi/L, which exceeds the EPA's recommended action threshold of 4.0 pCi/L. Built on glacial till deposits typical of the Chicago metro area, Palos Heights' predominantly single-family homes with full basements provide ideal conditions for radon accumulation. Residents in the 60463 zip code should prioritize testing and mitigation when necessary.

5.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Palos Heights, IL Radon Mitigation

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

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Palos Heights, IL Radon Levels

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

Radon LevelCityHome AgeFoundation
5 pCi/L Palos Heights, IL 21-50 Years Partial Basement

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

Radon Readings Near Palos Heights, IL

Compare radon levels in Palos Heights with the closest nearby cities that have user-submitted test data.

CityDistanceAvg User LevelReadings
Orland Park 5.2 mi 7.00 pCi/L 3
Burbank 5.8 mi 2.00 pCi/L 1
Blue Island 5.8 mi 4.00 pCi/L 1
Tinley Park 6.3 mi 7.67 pCi/L 3
Willow Springs 6.8 mi 5.50 pCi/L 2
Willowbrook 9.2 mi 6.00 pCi/L 1
Homer Glen 9.6 mi 4.33 pCi/L 3
Lemont 9.9 mi 16.00 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 Heights, IL

What is the average radon level in Palos Heights, IL?
Based on 1 user-submitted test, the average radon level in Palos Heights is 5.00 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 Palos Heights in?
Palos Heights and the 60463 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 Heights?
Radon mitigation in Palos Heights 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 Heights?
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.