Call For A Free Quote: 1-800-299-3578 (toll free) | 816-463-2802 (local)

Harrisonville, MO Radon Levels

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.

0
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.

Need Radon Mitigation or Testing in Harrisonville?

  • 100% Free, No-Obligation Quotes
  • Matches You with State-Licensed Cass County Pros
1-800-299-3578 816-463-2802 (local) Toll-free · Mon–Fri 8am–6pm ET

Harrisonville, MO Radon Levels

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

Radon LevelCityHome AgeFoundation
20 pCi/L Harrisonville, MO 21-50 Years Full Basement

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

Radon Readings Near Harrisonville, MO

Compare radon levels in Harrisonville with the closest nearby cities that have user-submitted test data.

CityDistanceAvg User LevelReadings
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
Blue Springs 25.9 mi 14.00 pCi/L 1
Oak Grove 26.6 mi 7.00 pCi/L 1
Grain Valley 27.4 mi 14.00 pCi/L 2
Independence 31.7 mi 5.00 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 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.