Princeton, MO Radon Mitigation and Testing

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.

Mercer County

EPA Zone 2

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.

Princeton, MO Radon Mitigation

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

Princeton, MO Radon Testing

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

Princeton Radon Facts

Key details about the radon risk profile for Princeton and the 64673 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Mercer County, MO

Zip Code

64673

Predicted Screening Level

2–4 pCi/L (Zone 2)

Princeton and the 64673 zip code are located in Mercer 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 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.

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.

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