Osceola, MO Radon Levels

Q: What EPA Radon Zone is Osceola in?

Osceola is in St Clair County, EPA Zone Unknown.

Q: How much does radon mitigation cost in Osceola?

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

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

Osceola, MO Radon Facts

EPA Radon Zone Unknown Unknown

County St Clair County, MO

Zip Code 64776

Found in St. Clair County within Missouri's prairie region, Osceola sits where limestone bedrock beneath prairie soils can create variable radon conditions. Testing data for ZIP 64776 is not available, making professional assessment important for homeowners in this rural area. The community's mix of agricultural properties and small-town residences, combined with the geological characteristics typical of western Missouri, warrant baseline radon testing for all occupied structures.

4.40

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 4.40 pCi/L, based on 5 tests from 5 nearby cities. No readings have been submitted for Osceola 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+

Osceola, 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 Osceola, MO

No homeowner tests have been submitted for Osceola 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
Stockton	21.2 mi	4.00 pCi/L	1
Warsaw	25.1 mi	5.00 pCi/L	1
Pittsburg	26.1 mi	6.00 pCi/L	1
Cole Camp	42.3 mi	5.00 pCi/L	1
Climax Springs	44.2 mi	2.00 pCi/L	1

St Clair County Radon Profile

St Clair County lacks a firm EPA zone classification, and the EPA recommends testing every home regardless of regional radon predictions. Direct test data for St Clair County remains limited, so the closest neighboring readings are used here to represent the radon conditions homeowners are likely to encounter. As the second leading cause of lung cancer in the U.S., radon warrants testing in every St Clair County home regardless of zone or a neighbor's results.

Radon FAQ for Osceola, MO

What EPA Radon Zone is Osceola in?

Osceola and the 64776 zip code are in St Clair County, which has an EPA assigned Radon Zone of Unknown. A zone of Unknown does not have sufficient data for classification.

Why are radon readings shown from areas near Osceola?

No homeowner radon tests have been submitted for Osceola yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the St Clair County average—are the best available indicator of local conditions until Osceola 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 Osceola?

Radon mitigation in Osceola 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 Osceola?

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.