Saint Francis, WI Radon Levels

Q: What EPA Radon Zone is Saint Francis in?

Saint Francis is in Milwaukee County, EPA Zone 2.

Q: How much does radon mitigation cost in Saint Francis?

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

Check local Saint Francis radon levels and find certified testing and mitigation professionals to keep your home safe

Saint Francis, WI Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Milwaukee County, WI

Zip Code 53235

This Milwaukee metro community in Milwaukee County sits atop glacial till deposits over dolomite bedrock, creating geological conditions conducive to radon gas migration. Testing data for Saint Francis in zip code 53235 remains limited, making individual home assessment particularly important for residents. The area's predominantly residential character, with many homes featuring full basements, requires careful attention to radon testing and potential mitigation needs.

8.71

pCi/L area average

Above EPA Action Level

Milwaukee County average: 8.71 pCi/L, based on 7 user-submitted tests across 4 cities in the county. No homeowner readings have been submitted for Saint Francis itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Saint Francis, WI Radon Mitigation

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

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Radon Readings Near Saint Francis, WI

No homeowner tests have been submitted for Saint Francis yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Oak Creek	6.0 mi	8.33 pCi/L	3
Milwaukee	7.5 mi	10.00 pCi/L	3
Franklin	8.6 mi	6.00 pCi/L	1
Racine	16.8 mi	8.00 pCi/L	1
Menomonee Falls	17.9 mi	6.50 pCi/L	2
Thiensville	19.1 mi	5.00 pCi/L	1
Waukesha	19.9 mi	5.50 pCi/L	2
Mequon	20.1 mi	6.00 pCi/L	1

Milwaukee County Radon Profile

Milwaukee County is mapped as EPA Radon Zone 2, where the local geology is predicted to produce moderate indoor screening levels between 2 and 4 pCi/L. Homeowner-submitted tests from 4 cities in Milwaukee County average 8.71 pCi/L across 7 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Milwaukee County.

Radon FAQ for Saint Francis, WI

What EPA Radon Zone is Saint Francis in?

Saint Francis and the 53235 zip code are in Milwaukee 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.

Why are radon readings shown from areas near Saint Francis?

No homeowner radon tests have been submitted for Saint Francis yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Milwaukee County average—are the best available indicator of local conditions until Saint Francis homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Saint Francis?

Radon mitigation in Saint Francis 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 Saint Francis?

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.