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Minneapolis-St. Paul Metro, MN Radon Information

The Minneapolis-St. Paul Metro metropolitan area in Minnesota has a regional average radon level of 6.7 pCi/L based on 48 user-submitted tests. This exceeds the EPA’s recommended action level of 4.0 pCi/L, meaning radon testing and professional mitigation should be a priority for homeowners across the region.

Radon is a naturally occurring radioactive gas produced by the decay of uranium in soil and bedrock. In the Minneapolis-St. Paul Metro area, local geology and common residential construction—particularly homes with basements and crawlspaces—allow radon to seep indoors and accumulate to dangerous concentrations. Particularly high readings have been recorded in communities like Saint Paul, Savage, Hastings, where professional radon testing and mitigation services are strongly recommended.

Whether you are buying a home, selling a property, or simply want to protect your family, a professional radon test is the only way to know your home’s levels. If elevated radon is found, a licensed mitigation contractor can install a sub-slab depressurization system—typically in one day—to reduce levels by up to 99%. Request a free radon mitigation quote

The regional average is 6.7 pCi/L — above the EPA action level of 4.0 pCi/L. Testing and mitigation are strongly recommended.
6.7
Avg. pCi/L
34
Cities
48
User Tests
Zone 1
EPA Rating
Above EPA Action Level
Below EPA Action Level

Top 5 Radon Hotspots in the Minneapolis-St. Paul Metro Area

Cities with the highest average user-submitted radon readings in the Minneapolis-St. Paul Metro metropolitan area.

Rank City Avg. Radon Level Tests
1 Saint Paul
8.40 pCi/L
5
2 Savage
5.00 pCi/L
3
3 Hastings
8.50 pCi/L
2
4 Farmington
7.50 pCi/L
2
5 Cottage Grove
7.00 pCi/L
2

Other Metro Areas in Minnesota

Explore radon data for other metropolitan regions across the state.

Duluth Metro
View radon data
Fargo Metro
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La Crosse Metro
View radon data
Rochester Metro
View radon data
Sioux Falls Metro
View radon data
St. Cloud Metro
View radon data

Cities in the Minneapolis-St. Paul Metro Area

34 cities and towns in the Minneapolis-St. Paul Metro metropolitan area with user-submitted radon data.

34 cities
Isle Zone 1
20.0 pCi/L
Above EPA action level
Excelsior Zone 1
13.0 pCi/L
Above EPA action level
Buffalo Zone 1
11.0 pCi/L
Above EPA action level
New Prague Zone 1
11.0 pCi/L
Above EPA action level
Monticello Zone 1
10.0 pCi/L
Above EPA action level
Hastings Zone 1
8.5 pCi/L
Above EPA action level
Saint Paul Zone 1
8.4 pCi/L
Above EPA action level
Farmington Zone 1
7.5 pCi/L
Above EPA action level
Cottage Grove Zone 1
7.0 pCi/L
Above EPA action level
Big Lake Zone 1
7.0 pCi/L
Above EPA action level
Chaska Zone 1
7.0 pCi/L
Above EPA action level
Hopkins Zone 1
7.0 pCi/L
Above EPA action level
Shakopee Zone 1
6.5 pCi/L
Above EPA action level
Mora Zone 1
6.0 pCi/L
Above EPA action level
Eden Prairie Zone 1
6.0 pCi/L
Above EPA action level
Lakeville Zone 1
6.0 pCi/L
Above EPA action level
Loretto Zone 1
6.0 pCi/L
Above EPA action level
Mound Zone 1
6.0 pCi/L
Above EPA action level
Savage Zone 1
5.0 pCi/L
Above EPA action level
Champlin Zone 1
5.0 pCi/L
Above EPA action level
Minneapolis Zone 1
5.0 pCi/L
Above EPA action level
Anoka Zone 1
5.0 pCi/L
Above EPA action level
Delano Zone 1
5.0 pCi/L
Above EPA action level
Minnetonka Zone 1
5.0 pCi/L
Above EPA action level
Montgomery Zone 1
5.0 pCi/L
Above EPA action level
Prior Lake Zone 1
5.0 pCi/L
Above EPA action level
Rush City Zone 1
5.0 pCi/L
Above EPA action level
Northfield Zone 1
4.5 pCi/L
Above EPA action level
Forest Lake Zone 3
4.0 pCi/L
Below EPA action level
Harris Zone 3
4.0 pCi/L
Below EPA action level
Lake Elmo Zone 3
4.0 pCi/L
Below EPA action level
Milaca Zone 3
4.0 pCi/L
Below EPA action level
Victoria Zone 3
4.0 pCi/L
Below EPA action level
Elko New Market Zone 3
3.0 pCi/L
Below EPA action level

Radon Mitigation Professionals Serving the Minneapolis-St. Paul Metro Area

Licensed contractors who serve this metro area.

Company
A1 Radon Services LLC
Acer Home Inspections
Action Radon Measurements
AECOM
Air-Source Radon Services LLC
Allstate Radon Services
American Radon Mitigation Inc
Amerispec Home Inspection Service
AmeriSpec Inspection Service
Bay West
Black Bear Builders
Braun Intertec
C + N Home Inspections LLC
Cities Inspection Service Inc
City of Minneapolis - Health Department
Cocoon Solutions
Energy & Environmental Services Inc
Energy & Environmental Services Inc
Hankey & Brown Inspection Services Inc
Healthy Homes LLC
HealthyExposure Inc
Heartland Inspections
Home Safety Solutions
Inspecta - Homes
Inspection Werx
iRadon LLC
iRadon LLC
Knight Inspection Service
KP Home Inspections LLC
Larkin Home Inspection Service
Lilja Inspection Services LLC
Live Eco-logically LLC
LJM Group Inc
Midwest Radon Specialists LLC
Minnesota Mold Inspection
Minnesota Radon Removal
Minnesota Radon Specialists
Minnesota Radon Systems
North Country Home Inspections
Nova Consulting
Paladin Inspection Services
Peer Engineering
Quality Heating & Air Services Inc
R.A. Johnson Radon Mitigation
Radon Mitigation LLC
Radon Reduction Inc
Radon Remedies
Radon Removal Inc
Radon Removal Inc
Radon Removal Inc
Radon Resolutions LLC
Radon Squad
Radon Stoppers
RLB Properties
Splett Plumbing
Stinson Services Inc
Sustainable Resources Center
SustainMax LLC
Techtron Engineering Inc
The Javelin Group Inc
Twin Cities Radon Services
Twin City Radon Systems

Frequently Asked Questions about Radon in the Minneapolis-St. Paul Metro Area

Common questions about radon testing, mitigation costs, and health risks for homeowners in the Minneapolis-St. Paul Metro metropolitan area.

Why are radon levels so high in the Minneapolis-St. Paul Metro area?
Radon levels in the Minneapolis-St. Paul Metro area are driven by the local soil and bedrock composition, which contains naturally occurring uranium. As uranium decays, it produces radon gas that migrates upward through the soil and enters homes through foundation cracks, sump pits, and gaps around pipes. Homes with basements and crawlspaces are especially susceptible because these below-grade spaces are in direct contact with the soil where radon concentrations are highest.
How much does radon mitigation cost in Minneapolis-St. Paul Metro?
Professional radon mitigation in the Minneapolis-St. Paul Metro metropolitan area typically costs between $800 and $2,500, depending on the size and construction of your home. The most common approach is an active sub-slab depressurization system, which a certified contractor can usually install in a single day. Ongoing energy costs for the mitigation fan are minimal—roughly $5–$10 per month—and most systems reduce radon levels by 90% or more.
Are landlords in Minnesota required to test for radon?
Radon testing and disclosure requirements vary by state and municipality. Some Minnesota jurisdictions require landlords to disclose known radon levels or test results, while others have no mandate. Regardless of local law, the EPA recommends radon testing for all residential properties—including rentals—since radon is the second leading cause of lung cancer in the United States.
Can I sell a house with high radon levels in the Minneapolis-St. Paul Metro area?
Yes. High radon levels do not prevent a home sale, but buyers in the Minneapolis-St. Paul Metro market routinely request radon testing during the inspection period. If levels exceed 4.0 pCi/L, the buyer may negotiate for the seller to install a mitigation system before closing. Having a radon mitigation system already in place can actually be a selling point, demonstrating proactive home maintenance and providing documented proof of safe indoor air quality.