Merced, CA Radon Levels

Q: What is the average radon level in Merced, CA?

Based on 1 user-submitted tests, the average radon level is 2.00 pCi/L.

Q: What EPA Radon Zone is Merced in?

Merced is in Merced County, EPA Zone 3.

Q: How much does radon mitigation cost in Merced?

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

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

Merced, CA Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)

County Merced County, CA

Zip Code 95340

Avg. User Level 2.00 pCi/L

User Tests 1

Located in California's Central Valley within Merced County, this agricultural hub sits atop alluvial soils and sedimentary deposits that typically produce lower radon levels. While testing data for the 95340, 95341, 95343, and 95348 zip codes remains limited, the area's EPA Zone 3 classification indicates relatively low radon potential. Central Valley homes should still consider periodic testing, particularly those with basements or built on elevated lots.

2.00

pCi/L average

Below EPA Action Level

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

4.0 EPA

10+

Merced, CA Radon Mitigation

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Merced, CA Radon Levels

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

Radon Level	City	Home Age	Foundation
2 pCi/L	Merced, CA	0-20 Years	No Basement/All Slab

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Radon FAQ for Merced, CA

What is the average radon level in Merced, CA?

Based on 1 user-submitted test, the average radon level in Merced is 2.00 pCi/L. This is below the EPA's recommended action level of 4.0 pCi/L. However, we recommend all homes be tested regardless of your neighbor's results.

What EPA Radon Zone is Merced in?

Merced and the 95340 zip code are in Merced 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 Merced?

Radon mitigation in Merced 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 Merced?

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 California

Cities in California with the most user-submitted radon test data, ranked by number of submissions.

City	Avg User Radon Level	Submissions
Los Angeles	7.83 pCi/L	6
Mammoth Lakes	10.80 pCi/L	5
San Jose	4.20 pCi/L	5
Rancho Palos Verdes	8.00 pCi/L	4
Bishop	6.25 pCi/L	4
Oakland	5.00 pCi/L	4
Woodland Hills	7.67 pCi/L	3
South Lake Tahoe	6.33 pCi/L	3
Palos Verdes Peninsula	6.00 pCi/L	3
Sacramento	4.33 pCi/L	3

Merced, CA Radon Levels

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

Merced, CA Radon Facts

Merced, CA Radon Mitigation

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Merced, CA Radon Levels

Radon FAQ for Merced, CA

Most Active Radon Markets in California

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