Prospect Heights, IL Radon Mitigation and Testing

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

Based on 1 user-submitted tests, the average radon level is 10.00 pCi/L.

Q: What EPA Radon Zone is Prospect Heights in?

Prospect Heights is in Cook County, EPA Zone 2.

Q: How much does radon mitigation cost in Prospect Heights?

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

Avg: 10.00 pCi/L

Cook County

EPA Zone 2

1 user test

Prospect Heights is located in Cook County, Illinois. With 1 user-submitted readings averaging 10.00 pCi/L, the area exceeds the EPA's 4.0 pCi/L action threshold, and testing is strongly recommended for homeowners in the 60070 zip code.

10.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Prospect Heights, IL Radon Mitigation

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

Prospect Heights, IL Radon Testing

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

Prospect Heights, Illinois Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
10 pCi/L	Prospect Heights, IL	21-50 Years	Full Basement	Oct 2025

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

Prospect Heights Radon Facts

Key details about the radon risk profile for Prospect Heights and the 60070 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Cook County, IL

Zip Code

60070

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

10.00 pCi/L

User Tests Submitted

Prospect Heights and the 60070 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 Prospect Heights, IL

What is the average radon level in Prospect Heights, IL?

Based on 1 user-submitted test, the average radon level in Prospect Heights is 10.00 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 Prospect Heights in?

Prospect Heights and the 60070 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 Prospect Heights?

Radon mitigation in Prospect Heights 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 Prospect Heights?

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