Holland, MI Radon Mitigation and Testing

Q: What is the average radon level in Holland, MI?

Based on 1 user-submitted tests, the average radon level is 5.00 pCi/L.

Q: What EPA Radon Zone is Holland in?

Holland is in Allegan County, EPA Zone 3.

Q: How much does radon mitigation cost in Holland?

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

Avg: 5.00 pCi/L

Allegan County

EPA Zone 3

1 user test

Located in Allegan County near Lake Michigan's eastern shore, Holland's single radon test registered 5.0 pCi/L, which exceeds the EPA action level of 4.0 pCi/L. The community's sandy glacial soils and proximity to the lakeshore create unique geological conditions that can influence radon levels. Given this elevated reading in zip code 49423, residents should prioritize radon testing, especially in the area's many homes with full basements typical of Michigan construction.

5.00

pCi/L average

Above EPA Action Level

Based on 1 user-submitted radon test for homes in Holland, MI. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Holland, MI Radon Mitigation

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

Holland, MI Radon Testing

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

Holland, Michigan Radon Levels

User-submitted radon test readings from homes in the Holland area.

Radon Level	City	Home Age	Foundation	Submitted
5 pCi/L	Holland, MI	0-20 Years	Full Basement	Nov 2016

Have a radon test result for Holland? Submit your reading to help other homeowners.

Holland Radon Facts

Key details about the radon risk profile for Holland and the 49423 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Allegan County, MI

Zip Code

49423

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Avg. User Submitted Level

5.00 pCi/L

User Tests Submitted

Holland and the 49423 zip code are located in Allegan County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Holland, MI

What is the average radon level in Holland, MI?

Based on 1 user-submitted test, the average radon level in Holland is 5.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is Holland in?

Holland and the 49423 zip code are in Allegan County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

How much does radon mitigation cost in Holland?

Radon mitigation in Holland 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 Holland?

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 Michigan

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Novi	5.00 pCi/L	7
Rochester	9.00 pCi/L	5
Battle Creek	6.60 pCi/L	5
White Lake	10.00 pCi/L	4
Ypsilanti	8.50 pCi/L	4
Waterford	7.75 pCi/L	4
Howell	7.50 pCi/L	4
Gaylord	6.00 pCi/L	4
Gladstone	5.25 pCi/L	4
West Bloomfield	5.25 pCi/L	4
Clarkston	5.00 pCi/L	4
Flint	9.00 pCi/L	3
Pinckney	7.33 pCi/L	3
Northville	5.33 pCi/L	3
Milford	4.33 pCi/L	3
Plymouth	4.33 pCi/L	3
Portage	3.33 pCi/L	3
Lake Orion	11.00 pCi/L	2
Oxford	11.00 pCi/L	2
Grand Ledge	7.00 pCi/L	2