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Crest Hill, IL Radon Levels

Check local Crest Hill radon levels and find certified testing and mitigation professionals to keep your home safe


Crest Hill, IL Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Will County, IL
Zip Code 60403
Avg. User Level 6.00 pCi/L
User Tests 1

Located in Will County in the southern suburban reaches of the Chicago Metro, Crest Hill shows an average radon level of 6.0 pCi/L based on available testing data. This reading exceeds the EPA action level, reflecting the area's glacial till deposits over limestone bedrock that create favorable conditions for radon accumulation in zip code 60403. The community's predominantly single-family homes with full basements provide the enclosed below-grade spaces where radon concentrates most readily.

6.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Crest Hill, IL Radon Mitigation

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Crest Hill, IL Radon Levels

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

Radon LevelCityHome AgeFoundation
6 pCi/L Crest Hill, IL 21-50 Years No Basement/All Slab

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

Radon Readings Near Crest Hill, IL

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

CityDistanceAvg User LevelReadings
Joliet 3.4 mi 6.67 pCi/L 3
Lockport 3.6 mi 12.50 pCi/L 2
Romeoville 6.1 mi 15.00 pCi/L 1
Plainfield 6.9 mi 6.33 pCi/L 3
Shorewood 6.9 mi 4.00 pCi/L 1
New Lenox 7.8 mi 10.14 pCi/L 7
Homer Glen 7.9 mi 4.33 pCi/L 3
Bolingbrook 9.3 mi 9.00 pCi/L 2

Will County Radon Profile

EPA mapping assigns Will County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 16 cities in Will County average 8.00 pCi/L across 30 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Will County home regardless of zone or a neighbor's results.

Radon FAQ for Crest Hill, IL

What is the average radon level in Crest Hill, IL?
Based on 1 user-submitted test, the average radon level in Crest Hill 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 Crest Hill in?
Crest Hill and the 60403 zip code are in Will 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 Crest Hill?
Radon mitigation in Crest Hill 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 Crest Hill?
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.