Brooklyn, WI Radon Mitigation and Testing

Q: What EPA Radon Zone is Brooklyn in?

Brooklyn is in Green County, EPA Zone 1.

Q: How much does radon mitigation cost in Brooklyn?

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

Brooklyn sits in Green County within Wisconsin's Zone 1 EPA radon area, where geological conditions typically produce lower radon levels but testing remains important for individual properties. Located between the Janesville and Madison metropolitan areas, this small community features primarily single-family homes with full basements characteristic of southern Wisconsin construction. While testing data is currently limited, homeowners should conduct radon measurements to establish baseline readings for their specific properties.

Brooklyn, WI Radon Mitigation

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

Brooklyn, WI Radon Testing

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

Brooklyn Radon Facts

Key details about the radon risk profile for Brooklyn and the 53521 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Green County, WI

Zip Code

53521

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Brooklyn and the 53521 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 Brooklyn, WI

What EPA Radon Zone is Brooklyn in?

Brooklyn and the 53521 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 Brooklyn?

Radon mitigation in Brooklyn 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 Brooklyn?

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