Monticello, WI Radon Mitigation and Testing

Q: What EPA Radon Zone is Monticello in?

Monticello is in Green County, EPA Zone 1.

Q: How much does radon mitigation cost in Monticello?

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

Green County

EPA Zone 1

Part of the Madison Metro area in Green County, Monticello sits over limestone bedrock and glacial deposits typical of southern Wisconsin's driftless region. Many homes feature full basements common to Wisconsin construction, providing enclosed spaces where radon can accumulate. With limited testing data for zip code 53570, residents should test their homes to determine individual radon levels.

Monticello, WI Radon Mitigation

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

Monticello, WI Radon Testing

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

Monticello Radon Facts

Key details about the radon risk profile for Monticello and the 53570 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Green County, WI

Zip Code

53570

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Monticello and the 53570 zip code are located in Green County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Monticello, WI

What EPA Radon Zone is Monticello in?

Monticello and the 53570 zip code are in Green County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

How much does radon mitigation cost in Monticello?

Radon mitigation in Monticello 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 Monticello?

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 Wisconsin

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Milwaukee	10.00 pCi/L	3
Prairie Du Chien	10.00 pCi/L	2
Stevens Point	5.50 pCi/L	2
Menomonie	10.00 pCi/L	1
Delavan	6.00 pCi/L	1
Shawano	No submissions	0
Sturgeon Bay	No submissions	0