Listed for: Testing
Verified:Minnesota state license
No phone or website on the list. Licenses on the profile.
Locations and reports
Radon in Minneapolis, Minnesota
EPA puts Hennepin County, where Minneapolis is, in Zone 1, its highest radon zone, and 32.0% of its 6,545 reported radon tests (2023) were at or above 4 pCi/L. Homes with elevated levels occur in all three zones, so only a test measures yours.
Data checked By Radon411Methodology
Share at 4+ pCi/L
32.0%
2.6 pts below MN
- Hennepin
- 32.0%
- Minnesota
- 34.6%
Hennepin, 49th of 62 in MN, 2023
Median result
2.7pCi/L
Below action level
- Hennepin
- 2.7 pCi/L
- EPA
- 4.0 pCi/L
Midpoint of Hennepin's tests, 2023
Nearest county
23.5%
Ramsey, 9 miles
- Ramsey
- 23.5%
- Hennepin
- 32.0%
2,213 tests, 2023
EPA radon zone
Zone 1
Highest potential
- Zone 1
- 2
- 3
1 highest, 3 lowest
Hennepin, where Minneapolis is
Tests reported
6,545
In Hennepin
- Hennepin
- 6,545
- Ramsey
- 2,213
Reported to CDC before any fix, 2023
Read a result for Minneapolis
Starts at Hennepin County's median, 2.7 pCi/L
EPA’s own thresholds; the figures are the area’s, never this home’s.
EPA’s reading of 2.7 pCi/L
Between 2 and 4 pCi/L
- Under 20 to 1.9 pCi/L
- 2 to 4consider a fix
- 4 and aboveEPA says fix it
This result is between 2 and 4 pCi/L. EPA recommends considering a fix when the level is between 2 and 4 pCi/L. Hennepin County's median reported result, 2023.
The data
Minneapolis, What is published
What is published for Minneapolis
Information:
Every figure for Minneapolis is a county's
Radon data is published by county, not by city, so for Minneapolis it is Hennepin County's: its EPA zone (Zone 1) and the 6,545 tests reported to CDC for 2023. Only a test tells you about one home.
Minneapolis covers 54 square miles of land, all of it in Hennepin County. Its 430,324 residents live 7,969 to the square mile.
Minneapolis, Counties
The county Minneapolis lies in
MeasuredHennepin County's EPA zone and the figures CDC publishes for it, 2023.
Hennepin CountyZone 1Highest predicted potential
- 32.0%
- Reported tests at or above 4 pCi/L
- 2.7 pCi/L
- Median reported result
- 6,545 tests
- Tests reported to CDC
- 10
- Annual years on file
Hennepin County ranks 49th of 62 Minnesota counties with 30 or more tests for that period, 2.6 points below the 34.6% pooled across Minnesota's counties, 1.4 points below the national pool of 33.4%.
Measured from the middle of Minneapolis, the nearest counties with a CDC figure for 2023 are Ramsey County (9 miles, 23.5% of 2,213 tests), Washington County (20 miles, 21.3% of 1,518 tests) and Anoka County (21 miles, 19.3% of 880 tests). Across the 8 nearest, the share at or above 4 pCi/L runs from 19.3% to 42.4%; the farthest of them, Chisago County, is 41 miles away at 34.9%.
The directory lists 18 businesses with an address in Minneapolis, 18 for testing and 6 for mitigation. Minnesota's other cities with a page of their own: St. Paul, Plymouth, St. Cloud and Duluth.
The counties around Minneapolis
By distance from the middle of Minneapolis; counties with 30 or more tests.
Predicted: EPA Map of Radon Zones, by county. Measured: CDC tracking data, by county, 2023.
Minneapolis, Geology
The ground under Minneapolis
PredictedUSGS's geologic map puts all of Minneapolis' mapped land in one class: high radon potential. All of it lies in the area the map calls Central Lowland-Till Prairie, to which USGS gives a radon index of 14, in the high band (12 to 17).
| Area | The rock, in USGS's words | Potential | Radon index | Share of land |
|---|---|---|---|---|
| Central Lowland-Till Prairie | Silty and clayey till derived from shale and sandstone. | High | 14 | 100% |
Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.
Minneapolis beside its county and Minnesota
All of Minneapolis, like all of Hennepin County, is rated high. Minneapolis has more high-potential ground than Minnesota as a whole: 100% of its land against 61.1%.
The map rates the ground, not the air in any home.
Minneapolis, Homes
Homes in Minneapolis
Minneapolis has 203,217 homes, and many share a building: 43% are in buildings of five or more, 41% are detached houses, against 52% across Hennepin County. The homes are older than Hennepin County's as a whole: half were built before 1950 (1973 for Hennepin County), and 58% date from before 1960. Most occupied homes here are rented: owners live in 48% (Hennepin County: 63%). A tenant can run a test; a fix is the landlord's to make.
| Homes | Minneapolis | Hennepin County | Minnesota |
|---|---|---|---|
| Housing units | 203,217 | 564,441 | 2,519,538 |
| Detached houses | 41% | 52% | 66% |
| In buildings of 5 or more | 43% | 33% | 19% |
| Mobile homes | under 1% | under 1% | 3% |
| Built before 1960 | 58% | 36% | 29% |
| Built since 2000 | 16% | 18% | 22% |
| Middle year built | 1950 | 1973 | 1978 |
| Owner-occupied | 48% | 63% | 72% |
Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.
Local help
Minneapolis, Professionals
Radon professionals listed in Minneapolis
Businesses whose listed city is Minneapolis, from the state registries and listings in the Radon411 directory, with the same business and certification status the directory shows.
Radon professionals listed in Minneapolis: 1 of 6
18 listings with Minneapolis as the city. See radon mitigation and testing in Minneapolis, or all radon professionals in Minnesota.
Minneapolis, Local resources
Local resources for Minneapolis
Who to ask in Minnesota: its radon program, test kits and professionals.
What it means
Minneapolis, Questions
Questions about radon in Minneapolis
What radon zone is Minneapolis in?
Minneapolis has no zone of its own: it shares Hennepin County's, Zone 1, the map's highest class: a predicted county average above 4 pCi/L.
What are radon levels in Minneapolis?
Around Minneapolis, 32.0% of 6,545 tests reported from Hennepin County for 2023 reached 4 pCi/L or more, so a high result is no surprise here. The median reported result was 2.7 pCi/L.
Should I test my home in Minneapolis?
Yes. Hennepin County reported about 2,094 of its 6,545 tests at or above 4 pCi/L. That is below Minnesota's pooled 34.6%, and still not a reason to skip it, and ranks Hennepin County 49th of the 62 Minnesota counties with 30 or more tests. Which homes they were, no map can say. How to test a home.
What ground is Minneapolis built on, as far as radon goes?
USGS's geologic map puts all of Minneapolis on one named area, "Central Lowland-Till Prairie", rated high for radon potential, radon index 14.
Is radon higher in the counties around Minneapolis?
It depends which way you go. 5 of the 8 nearest counties with a figure report a larger share than Hennepin County's 32.0% and 3 a smaller one: from Anoka County (19.3%, 21 miles off) to Wright County (42.4%, 37 miles off).
Who tests for or fixes radon in Minneapolis?
Minneapolis is the address of 18 businesses in Radon411's directory, 18 listed for testing and 6 for mitigation. Each entry names the public list it came from. Radon professionals in Minneapolis.
The answers use the published figures of Hennepin County, the county Minneapolis lies in.
Explore