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Grain Valley, MO Radon Levels

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


Grain Valley, MO Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Jackson County, MO
Zip Code 64029
Avg. User Level 14.00 pCi/L
User Tests 2

This growing Kansas City Metro suburb in Jackson County has recorded an average radon level of 10.0 pCi/L, significantly exceeding the EPA action threshold of 4.0 pCi/L. Homes in zip code 64029 should prioritize radon testing and mitigation due to these elevated readings.

14.00
pCi/L average
Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Grain Valley, MO. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Grain Valley, MO Radon Mitigation

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

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Grain Valley, MO Radon Levels

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

Radon LevelCityHome AgeFoundation
10 pCi/L Grain Valley, MO 21-50 Years Partial Basement

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

Radon Readings Near Grain Valley, MO

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

CityDistanceAvg User LevelReadings
Oak Grove 4.2 mi 7.00 pCi/L 1
Blue Springs 4.2 mi 14.00 pCi/L 1
Buckner 7.1 mi 6.00 pCi/L 1
Lees Summit 11.0 mi 7.00 pCi/L 3
Independence 11.5 mi 5.00 pCi/L 1
Pleasant Hill 16.8 mi 15.00 pCi/L 1
Liberty 18.9 mi 6.50 pCi/L 2
Kansas City 19.2 mi 7.00 pCi/L 1

Jackson County Radon Profile

Jackson County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Homeowner-submitted tests from 9 cities in Jackson County average 8.82 pCi/L across 11 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Jackson County to test, as levels can differ between neighboring homes.

Radon FAQ for Grain Valley, MO

What is the average radon level in Grain Valley, MO?
Based on 2 user-submitted tests, the average radon level in Grain Valley is 14.00 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 Grain Valley in?
Grain Valley and the 64029 zip code are in Jackson 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 Grain Valley?
Radon mitigation in Grain Valley 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 Grain Valley?
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.