Elgin, IL Radon Mitigation and Testing

Q: What is the average radon level in Elgin, IL?

Based on 2 user-submitted tests, the average radon level is 11.50 pCi/L.

Q: What EPA Radon Zone is Elgin in?

Elgin is in Cook County, EPA Zone 2.

Q: How much does radon mitigation cost in Elgin?

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

Avg: 11.50 pCi/L

Cook County

EPA Zone 2

2 user tests

Spanning both Kane and Cook Counties in the northwest suburban Chicago Metro, Elgin shows an average radon level of 11.5 pCi/L from limited testing data. This reading significantly exceeds the EPA's 4.0 pCi/L action level, reflecting the area's glacial till deposits over limestone bedrock that create highly favorable conditions for radon production. Residents in zip codes 60120, 60123, and 60124 should prioritize testing, especially in homes with the full basements common to this region.

11.50

pCi/L average

Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Elgin, IL. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Elgin, IL Radon Mitigation

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

Elgin, IL Radon Testing

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

Elgin, Illinois Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
18 pCi/L	Elgin, IL	21-50 Years	Full Basement	Apr 2021
5 pCi/L	Elgin, IL	0-20 Years	Full Basement	Jul 2018

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

Elgin Radon Facts

Key details about the radon risk profile for Elgin and the 60120 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Cook County, IL

Zip Code

60120

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

11.50 pCi/L

User Tests Submitted

Elgin and the 60120 zip code are located in Cook 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 Elgin, IL

What is the average radon level in Elgin, IL?

Based on 2 user-submitted tests, the average radon level in Elgin is 11.50 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 Elgin in?

Elgin and the 60120 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 Elgin?

Radon mitigation in Elgin 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 Elgin?

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