New Berlin, WI Radon Mitigation and Testing

Q: What EPA Radon Zone is New Berlin in?

New Berlin is in Waukesha County, EPA Zone 1.

Q: How much does radon mitigation cost in New Berlin?

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

Waukesha County

EPA Zone 1

Milwaukee Metro suburb New Berlin in Waukesha County spans zip codes 53146 and 53151, sitting where glacial deposits over dolomite bedrock create high radon potential. Although current testing data is insufficient for trend analysis, the area's EPA Zone 1 designation strongly indicates elevated radon risk. The community's predominantly post-1960s suburban homes with full basements provide ideal conditions for radon accumulation and warrant professional assessment.

New Berlin, WI Radon Mitigation

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

New Berlin, WI Radon Testing

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

New Berlin Radon Facts

Key details about the radon risk profile for New Berlin and the 53146 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Waukesha County, WI

Zip Code

53146

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

New Berlin and the 53146 zip code are located in Waukesha 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 New Berlin, WI

What EPA Radon Zone is New Berlin in?

New Berlin and the 53146 zip code are in Waukesha 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 New Berlin?

Radon mitigation in New Berlin 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 New Berlin?

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