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Radon Testing · Cottage Grove, MN

Radon Testing in Cottage Grove

Radon Testing in Cottage Grove, MN by Closer Look Inspectors. A photo-mapped digital report within 24 hours.

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Cottage Grove · Washington County

Radon Testing in Cottage Grove

Radon Testing in Cottage Grove, Washington County, by Closer Look Inspectors. Cottage Grove is a southeastern suburb of postwar and newer subdivision homes near the river.

Radon testing places an EPA-protocol continuous monitor on a home's lowest livable level to measure radon gas — and it matters across Minnesota, where more than two in five homes test above the action level.

Questions about a Cottage Grove home?  ·  Call or text (612) 457-1634

Modern white farmhouse-style home with black windows and dark garage doors — Radon Testing in Cottage Grove, MNCottage Grove
Local housing

Homes in Cottage Grove.

Cottage Grove housing runs to postwar and newer subdivision homes, across the neighborhoods toward the river, on river-terrace and level sites — and that mix shapes what a radon testing here needs to find.

Local conditions in Cottage Grove

Washington County is in EPA Radon Zone 1, and the Minnesota Department of Health recommends every Minnesota home be tested, so a Cottage Grove test is well worth doing. We place a continuous monitor in the lowest lived-in level and keep conditions consistent through the test period. Whether your house is a 1970s split or a newer two-story, the soil beneath it, not its age, determines the reading.

Local facts checked September 2026 against: Wikipedia, Minnesota Department of Health, epa.gov.

Radon Testing in Cottage Grove: what matters

Radon pipe running up an outside wall, older home: radon testing in Cottage Grove, MN
Foundation Inspection in Cottage Grove →
U-tube gauge on a basement radon pipe, newer home: radon testing in Cottage Grove, MN
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HVAC Inspection in Cottage Grove →

Home inspection in Cottage Grove →  ·  More about radon testing →

Questions

Common questions.

Is radon really a concern in Minnesota?
Yes. The Minnesota Department of Health reports that more than two in five Minnesota homes have radon levels that pose a significant health risk, and finished basements are where it concentrates.
How long does the test run?
A 48-hour minimum under closed-house conditions; the result is delivered with your inspection report.
How old are Cottage Grove houses, and what is due for repair?
Population grew from 13,419 in 1970 to 38,839 in 2020, so homes span roughly five decades of building. Older ones tend to need roof, window, furnace and panel updates, while newer ones need attention to grading, ventilation and finishes. The inspection identifies which era's problems a given house has. Ask the seller for the age of the roof, furnace and water heater before the visit, so we can compare those dates with what we see.
Do you cover Cottage Grove?
Yes — postwar and newer homes alike across the city.
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