Old Monroe, MO Radon Mitigation and Testing

Q: What EPA Radon Zone is Old Monroe in?

Old Monroe is in Lincoln County, EPA Zone 2.

Q: How much does radon mitigation cost in Old Monroe?

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

Lincoln County

EPA Zone 2

Positioned in Lincoln County within the St. Louis metropolitan area along the Mississippi River corridor, Old Monroe sits on alluvial deposits over limestone bedrock. While specific radon testing data for zip code 63369 remains limited, the area's Zone 2 EPA classification indicates moderate radon potential. Homeowners should conduct testing, especially in properties with basement foundations common in this region.

Old Monroe, MO Radon Mitigation

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

Old Monroe, MO Radon Testing

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

Old Monroe Radon Facts

Key details about the radon risk profile for Old Monroe and the 63369 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Lincoln County, MO

Zip Code

63369

Predicted Screening Level

2–4 pCi/L (Zone 2)

Old Monroe and the 63369 zip code are located in Lincoln 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 Old Monroe, MO

What EPA Radon Zone is Old Monroe in?

Old Monroe and the 63369 zip code are in Lincoln 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 Old Monroe?

Radon mitigation in Old Monroe 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 Old Monroe?

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