Saint Paul, MN Radon Mitigation and Testing

Q: What is the average radon level in Saint Paul, MN?

Based on 5 user-submitted tests, the average radon level is 8.40 pCi/L.

Q: What EPA Radon Zone is Saint Paul in?

Saint Paul is in Ramsey County, EPA Zone 1.

Q: How much does radon mitigation cost in Saint Paul?

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

Avg: 8.40 pCi/L

Ramsey County

EPA Zone 1

5 user tests

Saint Paul is located in Ramsey County, Minnesota. With 5 user-submitted readings averaging 8.40 pCi/L, the area exceeds the EPA's 4.0 pCi/L action threshold, and testing is strongly recommended for homeowners in the 55101 zip code.

8.40

pCi/L average

Above EPA Action Level

Based on 5 user-submitted radon tests for homes in Saint Paul, MN. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Saint Paul, MN Radon Mitigation

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

Saint Paul, MN Radon Testing

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

Saint Paul, Minnesota Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
4 pCi/L	Saint Paul, MN	21-50 Years	Full Basement	Dec 2025
18 pCi/L	Saint Paul, MN	51-99 Years	Full Basement	Mar 2024
10 pCi/L	Saint Paul, MN	51-99 Years	—	Aug 2021
4 pCi/L	Saint Paul, MN	21-50 Years	No Basement/All Crawl Space	Aug 2020

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

Saint Paul Radon Facts

Key details about the radon risk profile for Saint Paul and the 55101 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Ramsey County, MN

Zip Code

55101

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

8.40 pCi/L

User Tests Submitted

Saint Paul and the 55101 zip code are located in Ramsey 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 Saint Paul, MN

What is the average radon level in Saint Paul, MN?

Based on 5 user-submitted tests, the average radon level in Saint Paul is 8.40 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 Saint Paul in?

Saint Paul and the 55101 zip code are in Ramsey 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 Saint Paul?

Radon mitigation in Saint Paul 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 Saint Paul?

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 Minnesota

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Savage	5.00 pCi/L	3
Faribault	10.00 pCi/L	2
Shakopee	6.50 pCi/L	2
Minneapolis	5.00 pCi/L	2
Lakeville	6.00 pCi/L	1
Delano	5.00 pCi/L	1
Montgomery	5.00 pCi/L	1
Rosemount	No submissions	0