Robertsville, MO Radon Mitigation and Testing

Q: What EPA Radon Zone is Robertsville in?

Robertsville is in Franklin County, EPA Zone 2.

Q: How much does radon mitigation cost in Robertsville?

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

Franklin County

EPA Zone 2

Located in Franklin County within the St. Louis metropolitan area, Robertsville sits where Ozark foothills meet Missouri River valley terrain. While radon testing data for this community remains limited, homeowners should consider testing given the county's mix of limestone bedrock and residential properties with varying foundation types. Testing is especially recommended for homes with basements or crawl spaces in zip code 63072.

Robertsville, MO Radon Mitigation

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

Robertsville, MO Radon Testing

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

Robertsville Radon Facts

Key details about the radon risk profile for Robertsville and the 63072 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Franklin County, MO

Zip Code

63072

Predicted Screening Level

2–4 pCi/L (Zone 2)

Robertsville and the 63072 zip code are located in Franklin 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 Robertsville, MO

What EPA Radon Zone is Robertsville in?

Robertsville and the 63072 zip code are in Franklin 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 Robertsville?

Radon mitigation in Robertsville 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 Robertsville?

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