Unionville, MO Radon Mitigation and Testing

Q: What EPA Radon Zone is Unionville in?

Unionville is in Putnam County, EPA Zone 2.

Q: How much does radon mitigation cost in Unionville?

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

Putnam County

EPA Zone 2

Located in rural Putnam County in north-central Missouri, Unionville currently has sparse radon testing data for residents in the 63565 area. Missouri's diverse geology includes glacial till deposits and limestone formations that can produce variable radon levels across different regions. Homeowners should prioritize professional radon testing, as the state's geological complexity means radon concentrations can differ substantially even within small geographic areas.

Unionville, MO Radon Mitigation

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

Unionville, MO Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Unionville Radon Facts

Key details about the radon risk profile for Unionville and the 63565 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Putnam County, MO

Zip Code

63565

Predicted Screening Level

2–4 pCi/L (Zone 2)

Unionville and the 63565 zip code are located in Putnam County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Unionville, MO

What EPA Radon Zone is Unionville in?

Unionville and the 63565 zip code are in Putnam County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Unionville?

Radon mitigation in Unionville 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 Unionville?

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.

Most Active Radon Markets in Missouri

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Troy	8.50 pCi/L	4
Lees Summit	7.00 pCi/L	3
Columbia	3.00 pCi/L	2
House Springs	7.00 pCi/L	1
Kansas City	7.00 pCi/L	1
Springfield	7.00 pCi/L	1
Independence	5.00 pCi/L	1
Wentzville	No submissions	0