Princeton, MO Radon Levels

Q: What EPA Radon Zone is Princeton in?

Princeton is in Mercer County, EPA Zone 2.

Q: How much does radon mitigation cost in Princeton?

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

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

Princeton, MO Radon Facts

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

County Mercer County, MO

Zip Code 64673

Princeton in rural Mercer County represents northern Missouri's agricultural landscape, where testing data for zip code 64673 remains limited. The region's limestone bedrock and glacial till deposits can contribute to moderate radon conditions in area homes. Individual testing provides the most reliable assessment of radon levels for local residents.

18.00

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 18.00 pCi/L, based on 1 test from 1 nearby city. No readings have been submitted for Princeton yet, so the closest recorded data is shown as a benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Princeton, 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 Princeton?

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Radon Readings Near Princeton, MO

No homeowner tests have been submitted for Princeton 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
Meadville	44.3 mi	18.00 pCi/L	1

Mercer County Radon Profile

The soils and bedrock of Mercer County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Few homeowner tests have been logged inside Mercer County so far, which is why this page draws on the nearest recorded readings to illustrate regional radon levels. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Mercer County to test, as levels can differ between neighboring homes.

Radon FAQ for Princeton, MO

What EPA Radon Zone is Princeton in?

Princeton and the 64673 zip code are in Mercer 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 Princeton?

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

Radon mitigation in Princeton 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 Princeton?

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.