Warren, IL Radon Mitigation and Testing

Q: What EPA Radon Zone is Warren in?

Warren is in Jo Daviess County, EPA Zone 1.

Q: How much does radon mitigation cost in Warren?

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

Jo Daviess County

EPA Zone 1

Perched in Jo Daviess County along Illinois's northwestern border, Warren sits within an area of driftless topography where bedrock lies closer to the surface than in much of the state. Although specific testing data is currently unavailable, the EPA Zone 1 classification indicates significant radon potential. The community's location near the Mississippi River bluffs and underlying dolomite formations creates geological conditions that warrant immediate testing by all residents.

Warren, IL Radon Mitigation

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

Warren, IL Radon Testing

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

Warren Radon Facts

Key details about the radon risk profile for Warren and the 61087 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Jo Daviess County, IL

Zip Code

61087

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Warren and the 61087 zip code are located in Jo Daviess County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Warren, IL

What EPA Radon Zone is Warren in?

Warren and the 61087 zip code are in Jo Daviess County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

How much does radon mitigation cost in Warren?

Radon mitigation in Warren 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 Warren?

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