Excelsior Springs, MO Radon Levels

Q: What EPA Radon Zone is Excelsior Springs in?

Excelsior Springs is in Clay County, EPA Zone 1.

Q: How much does radon mitigation cost in Excelsior Springs?

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

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

Excelsior Springs, MO Radon Facts

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

County Clay County, MO

Zip Code 64024

Historic Clay County community Excelsior Springs lies northeast of Kansas City, built around natural springs and underlain by limestone formations that can contribute to radon gas production. The area features a distinctive mix of early 1900s resort-era architecture and suburban developments, many with full basement foundations typical of the region. With limited recent radon testing data available for the 64024 area, homeowners should consider professional radon assessment given the geological characteristics of this Kansas City Metro suburb.

6.00

pCi/L area average

Above EPA Action Level

Clay County average: 6.00 pCi/L, based on 3 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Excelsior Springs 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+

Excelsior Springs, 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 Excelsior Springs, MO

No homeowner tests have been submitted for Excelsior Springs 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	7.5 mi	5.00 pCi/L	1
Liberty	12.2 mi	6.50 pCi/L	2
Richmond	13.8 mi	5.00 pCi/L	1
Buckner	14.5 mi	6.00 pCi/L	1
Independence	19.3 mi	5.00 pCi/L	1
Grain Valley	21.6 mi	14.00 pCi/L	2
Blue Springs	22.6 mi	14.00 pCi/L	1
Kansas City	23.7 mi	7.00 pCi/L	1

Clay County Radon Profile

The bedrock and soils beneath Clay 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 2 cities in Clay County average 6.00 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 Clay County.

Radon FAQ for Excelsior Springs, MO

What EPA Radon Zone is Excelsior Springs in?

Excelsior Springs and the 64024 zip code are in Clay 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 Excelsior Springs?

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

Radon mitigation in Excelsior Springs 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 Excelsior Springs?

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.