Freeman, MO Radon Levels

Q: What EPA Radon Zone is Freeman in?

Freeman is in Cass County, EPA Zone 1.

Q: How much does radon mitigation cost in Freeman?

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

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

Freeman, MO Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Cass County, MO

Zip Code 64746

Part of the Kansas City Metro area in Cass County, Freeman sits in EPA Zone 1 where comprehensive radon testing data is still being collected. Missouri's limestone bedrock and glacial deposits create moderate-to-high radon potential throughout the region. Given the area's geological characteristics and the state's documented radon issues, homeowners in zip code 64746 should prioritize professional testing regardless of home age.

14.00

pCi/L area average

Above EPA Action Level

Cass County average: 14.00 pCi/L, based on 3 user-submitted tests across 3 cities in the county. No homeowner readings have been submitted for Freeman itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Freeman, 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 Freeman, MO

No homeowner tests have been submitted for Freeman 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
Harrisonville	9.1 mi	20.00 pCi/L	1
Belton	13.4 mi	7.00 pCi/L	1
Pleasant Hill	17.6 mi	15.00 pCi/L	1
Grandview	17.8 mi	9.00 pCi/L	1
Lees Summit	22.1 mi	7.00 pCi/L	3
Blue Springs	29.2 mi	14.00 pCi/L	1
Grain Valley	31.8 mi	14.00 pCi/L	2
Oak Grove	32.2 mi	7.00 pCi/L	1

Cass County Radon Profile

The bedrock and soils beneath Cass County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 3 cities in Cass County average 14.00 pCi/L across 3 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Cass County.

Radon FAQ for Freeman, MO

What EPA Radon Zone is Freeman in?

Freeman and the 64746 zip code are in Cass County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

Why are radon readings shown from areas near Freeman?

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

Radon mitigation in Freeman 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 Freeman?

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.