North Street, MI Radon Levels

Q: What EPA Radon Zone is North Street in?

North Street is in St Clair County, EPA Zone Unknown.

Q: How much does radon mitigation cost in North Street?

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

Check local North Street radon levels and find certified testing and mitigation professionals to keep your home safe

North Street, MI Radon Facts

EPA Radon Zone Unknown Unknown

County St Clair County, MI

Zip Code 48049

Part of the greater Detroit Metro area, North Street in St. Clair County sits on glacial till deposits that can vary in radon production across the region. Testing data remains limited for this zip code 48049 community, making individual home testing the most reliable approach for residents. Michigan's diverse geology means radon levels can differ significantly between neighboring properties, regardless of similar home construction or age.

8.33

pCi/L area average

Above EPA Action Level

St Clair County average: 8.33 pCi/L, based on 3 user-submitted tests across 3 cities in the county. No homeowner readings have been submitted for North Street 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+

North Street, MI Radon Mitigation

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

Need Radon Mitigation or Testing in North Street?

100% Free, No-Obligation Quotes
Matches You with State-Licensed St Clair County Pros

1-800-299-3578 248-209-6834 (local) Toll-free · Mon–Fri 8am–6pm ET

Radon Readings Near North Street, MI

No homeowner tests have been submitted for North Street 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
Goodells	8.6 mi	4.00 pCi/L	1
Richmond	17.7 mi	2.00 pCi/L	1
East China	17.9 mi	10.50 pCi/L	2
Imlay City	25.1 mi	4.00 pCi/L	1
Port Sanilac	27.5 mi	2.00 pCi/L	1
Washington	30.6 mi	5.00 pCi/L	2
Macomb	31.0 mi	3.00 pCi/L	1
Clinton Township	35.7 mi	6.50 pCi/L	2

St Clair County Radon Profile

St Clair County has not been assigned a definitive EPA radon zone, so the agency recommends that every home be tested regardless of predicted risk. Homeowner-submitted tests from 3 cities in St Clair County average 8.33 pCi/L across 3 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 St Clair County.

Radon FAQ for North Street, MI

What EPA Radon Zone is North Street in?

North Street and the 48049 zip code are in St Clair County, which has an EPA assigned Radon Zone of Unknown. A zone of Unknown does not have sufficient data for classification.

Why are radon readings shown from areas near North Street?

No homeowner radon tests have been submitted for North Street yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the St Clair County average—are the best available indicator of local conditions until North Street 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 North Street?

Radon mitigation in North Street 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 North Street?

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.