West Chicago, IL Radon Mitigation and Testing

Q: What EPA Radon Zone is West Chicago in?

West Chicago is in Dupage County, EPA Zone 2.

Q: How much does radon mitigation cost in West Chicago?

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

Dupage County

EPA Zone 2

Located in DuPage County in the western suburbs of the Chicago Metro area (60185), West Chicago sits on dense glacial till over dolomite bedrock that creates significant radon potential across northeastern Illinois. Testing data for this railroad community is currently unavailable, limiting assessment of local radon conditions. Homeowners should test their properties, especially the many homes with full basements typical of this suburban region.

West Chicago, IL Radon Mitigation

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

West Chicago, IL Radon Testing

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

West Chicago Radon Facts

Key details about the radon risk profile for West Chicago and the 60185 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Dupage County, IL

Zip Code

60185

Predicted Screening Level

2–4 pCi/L (Zone 2)

West Chicago and the 60185 zip code are located in Dupage 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 West Chicago, IL

What EPA Radon Zone is West Chicago in?

West Chicago and the 60185 zip code are in Dupage 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 West Chicago?

Radon mitigation in West Chicago 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 West Chicago?

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