Drexel, MO Radon Levels

Q: What EPA Radon Zone is Drexel in?

Drexel is in Cass County, EPA Zone 1.

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

No homeowner radon tests have been submitted for Drexel yet, so readings from the closest cities and the Cass 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 Drexel?

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

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

Drexel, MO Radon Facts

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

County Cass County, MO

Zip Code 64742

Located in Cass County within the Kansas City Metro area, Drexel sits on Pennsylvanian limestone bedrock that can contribute to elevated radon levels in homes. While specific testing data is currently limited for this zip code 64742 community, the EPA Zone 1 classification indicates high radon potential. Homeowners in this area should prioritize professional radon testing, particularly for properties with basements.

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 Drexel 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+

Drexel, 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 Drexel, MO

No homeowner tests have been submitted for Drexel 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	17.5 mi	20.00 pCi/L	1
Belton	22.4 mi	7.00 pCi/L	1
Grandview	27.0 mi	9.00 pCi/L	1
Pleasant Hill	27.5 mi	15.00 pCi/L	1
Lees Summit	32.2 mi	7.00 pCi/L	3
Blue Springs	39.5 mi	14.00 pCi/L	1
Grain Valley	42.2 mi	14.00 pCi/L	2
Kansas City	42.2 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 Drexel, MO

What EPA Radon Zone is Drexel in?

Drexel and the 64742 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 Drexel?

No homeowner radon tests have been submitted for Drexel 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 Drexel 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 Drexel?

Radon mitigation in Drexel 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 Drexel?

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.