Addison, IL Radon Mitigation and Testing

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

Based on 1 user-submitted tests, the average radon level is 4.00 pCi/L.

Q: What EPA Radon Zone is Addison in?

Addison is in Dupage County, EPA Zone 2.

Q: How much does radon mitigation cost in Addison?

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

Avg: 4.00 pCi/L

Dupage County

EPA Zone 2

1 user test

Located in DuPage County in the western suburbs of the Chicago Metro, Addison sits atop glacial till deposits that create conditions highly favorable for radon gas production and migration. Based on available testing data, the community shows an average radon level of 4.0 pCi/L, which aligns with the EPA action threshold. Given the region's geological characteristics and predominantly postwar housing with full basements, regular radon testing remains essential for all homeowners in zip code 60101.

4.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Addison, IL Radon Mitigation

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

Addison, IL Radon Testing

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

Addison, Illinois Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
4 pCi/L	Addison, IL	21-50 Years	Full Basement	Aug 2020

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

Addison Radon Facts

Key details about the radon risk profile for Addison and the 60101 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Dupage County, IL

Zip Code

60101

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

4.00 pCi/L

User Tests Submitted

Addison and the 60101 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 Addison, IL

What is the average radon level in Addison, IL?

Based on 1 user-submitted test, the average radon level in Addison is 4.00 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 Addison in?

Addison and the 60101 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 Addison?

Radon mitigation in Addison 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 Addison?

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