Hillsboro, IL Radon Mitigation and Testing

Q: What EPA Radon Zone is Hillsboro in?

Hillsboro is in Montgomery County, EPA Zone 2.

Q: How much does radon mitigation cost in Hillsboro?

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

Montgomery County

EPA Zone 2

Located in Montgomery County in south-central Illinois, Hillsboro sits over Pennsylvanian-era coal measures and underlying limestone that can contribute to radon accumulation. The community's housing stock in zip code 62049 spans from early 1900s homes to newer construction, many featuring full or partial basements typical of central Illinois. Testing data is currently limited, encouraging residents to establish individual radon baselines.

Hillsboro, IL Radon Mitigation

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

Hillsboro, IL Radon Testing

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

Hillsboro Radon Facts

Key details about the radon risk profile for Hillsboro and the 62049 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Montgomery County, IL

Zip Code

62049

Predicted Screening Level

2–4 pCi/L (Zone 2)

Hillsboro and the 62049 zip code are located in Montgomery 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 Hillsboro, IL

What EPA Radon Zone is Hillsboro in?

Hillsboro and the 62049 zip code are in Montgomery 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 Hillsboro?

Radon mitigation in Hillsboro 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 Hillsboro?

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