Osborn, MO Radon Levels

Q: What EPA Radon Zone is Osborn in?

Osborn is in Dekalb County, EPA Zone 2.

Q: Why are radon readings shown from areas near Osborn?

No homeowner radon tests have been submitted for Osborn yet, so readings from the closest cities and the Dekalb County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Osborn?

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

Check local Osborn radon levels and find certified testing and mitigation professionals to keep your home safe

Osborn, MO Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Dekalb County, MO

Zip Code 64474

Found in DeKalb County within Missouri's portion of the Kansas City Metro, Osborn sits where prairie soils over limestone bedrock can create moderate radon conditions. Testing data for ZIP 64474 is currently unavailable, making professional radon assessment important for homeowners. The area's EPA Zone 2 classification and rural housing characteristics, including older farmhouses with partial basements, warrant baseline testing to ensure safe indoor air quality.

5.86

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 5.86 pCi/L, based on 7 tests from 6 nearby cities. No readings have been submitted for Osborn yet, so the closest recorded data is shown as a benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Osborn, MO Radon Mitigation

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

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Radon Readings Near Osborn, MO

No homeowner tests have been submitted for Osborn yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Kearney	29.5 mi	5.00 pCi/L	1
Liberty	37.7 mi	6.50 pCi/L	2
Richmond	41.8 mi	5.00 pCi/L	1
Buckner	46.8 mi	6.00 pCi/L	1
Independence	48.0 mi	5.00 pCi/L	1
Kansas City	48.1 mi	7.00 pCi/L	1

Dekalb County Radon Profile

The soils and bedrock of Dekalb County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Few homeowner tests have been logged inside Dekalb County so far, which is why this page draws on the nearest recorded readings to illustrate regional radon levels. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Dekalb County to test, as levels can differ between neighboring homes.

Radon FAQ for Osborn, MO

What EPA Radon Zone is Osborn in?

Osborn and the 64474 zip code are in Dekalb County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

Why are radon readings shown from areas near Osborn?

No homeowner radon tests have been submitted for Osborn yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Dekalb County average—are the best available indicator of local conditions until Osborn homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Osborn?

Radon mitigation in Osborn 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 Osborn?

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.