Appleton, WI Radon Mitigation and Testing

Q: What EPA Radon Zone is Appleton in?

Appleton is in Outagamie County, EPA Zone 2.

Q: How much does radon mitigation cost in Appleton?

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

Outagamie County

EPA Zone 2

As part of the Appleton Metro area in Outagamie County, this Wisconsin community sits on glacial deposits that contribute to the region's radon potential. The city's predominantly mid-20th century housing stock, featuring numerous full basements, provides ideal conditions for radon accumulation. With current testing data limited for the 54911 zip code, homeowners should conduct radon testing to determine their specific risk levels in this EPA Zone 2 area.

Appleton, WI Radon Mitigation

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

Appleton, WI Radon Testing

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

Appleton Radon Facts

Key details about the radon risk profile for Appleton and the 54911 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Outagamie County, WI

Zip Code

54911

Predicted Screening Level

2–4 pCi/L (Zone 2)

Appleton and the 54911 zip code are located in Outagamie 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 Appleton, WI

What EPA Radon Zone is Appleton in?

Appleton and the 54911 zip code are in Outagamie 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 Appleton?

Radon mitigation in Appleton 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 Appleton?

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