Garden City, MO Radon Levels

Q: What EPA Radon Zone is Garden City in?

Garden City is in Cass County, EPA Zone 1.

Q: How much does radon mitigation cost in Garden City?

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

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

Garden City, MO Radon Facts

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

County Cass County, MO

Zip Code 64747

Located in Cass County within the Kansas City Metro area (zip code 64747), Garden City sits in western Missouri where limestone bedrock and glacial deposits can contribute to radon gas production. Testing data for this community remains limited, making individual home testing essential for residents. The area's mix of suburban development and rural properties can present varying radon risks based on construction methods and geological conditions.

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 Garden City 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+

Garden City, 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 Garden City, MO

No homeowner tests have been submitted for Garden City 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	9.4 mi	20.00 pCi/L	1
Pleasant Hill	15.4 mi	15.00 pCi/L	1
Belton	25.5 mi	7.00 pCi/L	1
Lees Summit	26.8 mi	7.00 pCi/L	3
Warrensburg	28.1 mi	9.00 pCi/L	1
Grandview	28.3 mi	9.00 pCi/L	1
Oak Grove	29.8 mi	7.00 pCi/L	1
Blue Springs	31.4 mi	14.00 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 Garden City, MO

What EPA Radon Zone is Garden City in?

Garden City and the 64747 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 Garden City?

No homeowner radon tests have been submitted for Garden City 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 Garden City 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 Garden City?

Radon mitigation in Garden City 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 Garden City?

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.