Port Washington, WI Radon Mitigation and Testing

Q: What EPA Radon Zone is Port Washington in?

Port Washington is in Ozaukee County, EPA Zone 2.

Q: How much does radon mitigation cost in Port Washington?

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

Ozaukee County

EPA Zone 2

Found along Lake Michigan's shore in Ozaukee County within the Milwaukee Metro, Port Washington sits on glacial deposits over sedimentary bedrock. While testing data for zip code 53074 is currently limited, homeowners should test given Wisconsin's generally elevated radon potential. The community's lakefront location and glacial geology, combined with traditional Midwest basement construction, create variable conditions for radon accumulation.

Port Washington, WI Radon Mitigation

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

Port Washington, WI Radon Testing

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

Port Washington Radon Facts

Key details about the radon risk profile for Port Washington and the 53074 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Ozaukee County, WI

Zip Code

53074

Predicted Screening Level

2–4 pCi/L (Zone 2)

Port Washington and the 53074 zip code are located in Ozaukee 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 Port Washington, WI

What EPA Radon Zone is Port Washington in?

Port Washington and the 53074 zip code are in Ozaukee 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 Port Washington?

Radon mitigation in Port Washington 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 Port Washington?

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