Grandville, MI Radon Levels

Q: What EPA Radon Zone is Grandville in?

Grandville is in Kent County, EPA Zone 2.

Q: How much does radon mitigation cost in Grandville?

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

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

Grandville, MI Radon Facts

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

County Kent County, MI

Zip Code 49418

Located in Kent County within the Grand Rapids Metro area, Grandville sits where glacial deposits and sandy soils create moderate radon potential typical of western Michigan. Testing data remains limited for this 49418 zip code community, emphasizing the importance of individual home radon testing. The area's mix of postwar suburban homes with full basements and newer construction provides varying conditions for potential radon accumulation.

4.00

pCi/L area average

Above EPA Action Level

Kent County average: 4.00 pCi/L, based on 4 user-submitted tests across 4 cities in the county. No homeowner readings have been submitted for Grandville 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+

Grandville, MI 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 Grandville, MI

No homeowner tests have been submitted for Grandville 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
Wyoming	2.7 mi	4.00 pCi/L	1
Jenison	3.5 mi	4.00 pCi/L	2
Hudsonville	5.9 mi	12.00 pCi/L	1
Byron Center	6.8 mi	4.00 pCi/L	1
Grand Rapids	7.2 mi	3.00 pCi/L	1
Allendale	9.8 mi	5.00 pCi/L	1
Rockford	19.8 mi	5.00 pCi/L	1
Holland	19.9 mi	5.00 pCi/L	1

Kent County Radon Profile

EPA mapping assigns Kent County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 4 cities in Kent County average 4.00 pCi/L across 4 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Kent County home regardless of zone or a neighbor's results.

Radon FAQ for Grandville, MI

What EPA Radon Zone is Grandville in?

Grandville and the 49418 zip code are in Kent 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 Grandville?

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

Radon mitigation in Grandville 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 Grandville?

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.