Cedar Rapids is located in Linn County, Iowa.
With 2 user-submitted readings averaging 4.00 pCi/L,
the area exceeds the EPA's 4.0 pCi/L action threshold, and testing is strongly recommended for homeowners in the 52401 zip code.
4.00
pCi/L average
Above EPA Action Level
Based on 2 user-submitted radon tests for homes in Cedar Rapids, IA. The EPA recommends taking action at or above 4.0 pCi/L.
0
4.0 EPA
10+
Cedar Rapids, IA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Cedar Rapids, IA Radon Testing
Finding qualified radon testing professionals is the first step toward protecting your home.
Cedar Rapids, Iowa Radon Levels
User-submitted radon test readings from homes in the Cedar Rapids area.
Radon Level
City
Home Age
Foundation
Submitted
4 pCi/L
Cedar Rapids, IA
0-20 Years
Full Basement
Sep 2022
4 pCi/L
Cedar Rapids, IA
—
—
Feb 2020
Have a radon test result for Cedar Rapids? Submit your reading to help other homeowners.
Cedar Rapids Radon Facts
Key details about the radon risk profile for Cedar Rapids and the 52401 zip code area.
EPA Radon Zone
Zone 1 — High Risk
County
Linn County, IA
Zip Code
52401
Predicted Screening Level
> 4.0 pCi/L (Zone 1)
Avg. User Submitted Level
4.00 pCi/L
User Tests Submitted
2
Cedar Rapids and the 52401 zip code are located in Linn 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 Cedar Rapids, IA
What is the average radon level in Cedar Rapids, IA?
Based on 2 user-submitted tests, the average radon level in Cedar Rapids 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 Cedar Rapids in?
Cedar Rapids and the 52401 zip code are in Linn 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 Cedar Rapids?
Radon mitigation in Cedar Rapids 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 Cedar Rapids?
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 Iowa
Cities with the most user-submitted radon test data in the state.
