Houstonia, MO Radon Levels

Q: What EPA Radon Zone is Houstonia in?

Houstonia is in Pettis County, EPA Zone 2.

Q: How much does radon mitigation cost in Houstonia?

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

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

Houstonia, MO Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Pettis County, MO

Zip Code 65333

This small rural community in Pettis County sits within Missouri's prairie region where Pennsylvanian limestone and shale formations can contribute to variable radon levels across different properties. The housing stock consists primarily of older farmsteads and modest single-family homes, many featuring partial basements or crawl spaces typical of rural Missouri construction. Testing data for the 65333 zip code area remains limited, making it especially important for local homeowners to conduct radon testing to understand their specific exposure levels.

6.00

pCi/L area average

Above EPA Action Level

Pettis County average: 6.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Houstonia 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+

Houstonia, 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 Houstonia, MO

No homeowner tests have been submitted for Houstonia 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
Sedalia	15.8 mi	6.00 pCi/L	1
Warrensburg	23.5 mi	9.00 pCi/L	1
Boonville	31.7 mi	4.00 pCi/L	1
Cole Camp	32.5 mi	5.00 pCi/L	1
Carrollton	32.7 mi	6.00 pCi/L	1
Richmond	43.0 mi	5.00 pCi/L	1
Oak Grove	43.8 mi	7.00 pCi/L	1
Warsaw	46.2 mi	5.00 pCi/L	1

Pettis County Radon Profile

The soils and bedrock of Pettis County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Homeowner-submitted tests from 1 city in Pettis County average 6.00 pCi/L across 1 test — 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 Pettis County to test, as levels can differ between neighboring homes.

Radon FAQ for Houstonia, MO

What EPA Radon Zone is Houstonia in?

Houstonia and the 65333 zip code are in Pettis 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.

Why are radon readings shown from areas near Houstonia?

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

Radon mitigation in Houstonia 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 Houstonia?

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.