Harrisonville, MO Radon Levels

Q: What is the average radon level in Harrisonville, MO?

Based on 1 user-submitted tests, the average radon level is 20.00 pCi/L.

Q: What EPA Radon Zone is Harrisonville in?

Harrisonville is in Cass County, EPA Zone 1.

Q: How much does radon mitigation cost in Harrisonville?

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

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

Harrisonville, MO Radon Facts

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

County Cass County, MO

Zip Code 64701

Avg. User Level 20.00 pCi/L

User Tests 1

Positioned in Cass County south of Kansas City, this community shows concerning radon levels averaging 20.0 pCi/L based on initial testing. The region's limestone bedrock and glacial deposits create geological conditions that can trap radon gas in home foundations. This reading significantly exceeds EPA action levels, making professional radon testing and mitigation systems essential for area homeowners.

20.00

pCi/L average

Above EPA Action Level

Based on 1 user-submitted radon test for homes in Harrisonville, MO. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Harrisonville, MO Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

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Harrisonville, Missouri Radon Levels

User-submitted radon test readings from homes in the Harrisonville area.

Radon Level	City	Home Age	Foundation	Submitted
20 pCi/L	Harrisonville, MO	21-50 Years	Full Basement	Jul 2021

Have a radon test result for Harrisonville? Submit your reading to help other homeowners.

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 Harrisonville, MO

What is the average radon level in Harrisonville, MO?

Based on 1 user-submitted test, the average radon level in Harrisonville is 20.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is Harrisonville in?

Harrisonville and the 64701 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.

How much does radon mitigation cost in Harrisonville?

Radon mitigation in Harrisonville 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 Harrisonville?

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.

Radon Levels Near Harrisonville, MO

User-submitted radon levels from the cities closest to Harrisonville with recorded test data. Explore nearby communities to compare local readings.

City	Distance	Avg User Level	Submissions
Pleasant Hill	10.9 mi	15.00 pCi/L	1
Belton	16.3 mi	7.00 pCi/L	1
Grandview	19.5 mi	9.00 pCi/L	1
Lees Summit	19.9 mi	7.00 pCi/L	3