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Radon Testing · Granger, IA

Radon Testing in Granger

Radon Testing in Granger, IA by Closer Look Inspectors. A photo-mapped digital report within 24 hours.

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Granger · Dallas County

Radon Testing in Granger

Radon Testing in Granger, Dallas County, by Closer Look Inspectors. Granger is a small northwest-metro town of older homes and fast-arriving new subdivisions.

Radon testing places an EPA-protocol continuous monitor on a home's lowest livable level to measure radon gas — and it matters across Iowa, where Iowa HHS reports 71.6 percent of homes above the action level — the largest percentage of any state.

Granger is served by our Des Moines team →  ·  (563) 517-7815

Craftsman bungalow with a covered front porch and stone columns — Radon Testing in Granger, IAGranger
Local housing

Homes in Granger.

Granger housing runs to older small-town homes with fast-arriving new subdivisions, across the original core and the new subdivisions, on lobe till above the Des Moines River valley — and that mix shapes what a radon testing here needs to find.

Local conditions in Granger

Granger sits on Des Moines Lobe till — heavy, poorly drained clay that holds water against foundations and moves with moisture, which is what drives basement seepage and foundation cracking across central Iowa. Granger sits in Dallas County, and every Iowa county is EPA Radon Zone 1. Iowa HHS reports Iowa has the largest percentage of homes above the 4.0 pCi/L action level of any state — 71.6 percent in the Iowa Radon Survey — and the Iowa seller disclosure form asks for any known radon test results. Finished basements concentrate it, and only a 48-hour test gives you this home's number. Iowa leaves frost depth to the local building code rather than one statewide number, and the annual freeze-thaw cycle drives the settlement cracks and ice-dam wear that Granger-area homes face.

Home inspection in Granger →  ·  More about radon testing →

Questions

Common questions.

Is radon really a concern in Iowa?
Yes. The Iowa Department of Natural Resources reports that more than two in five Iowa 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.
Do you cover Granger?
Yes. Granger is squarely in the metro's growth path, so we see both century-old farm-town stock and brand-new builds — two very different inspections, and both get a full read, with thermal imaging available as an add-on, and a photo-mapped report within 24 hours.
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