North Fork, CA Radon Levels

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

Based on 1 user-submitted tests, the average radon level is 7.00 pCi/L.

Q: What EPA Radon Zone is North Fork in?

North Fork is in Madera County, EPA Zone 2.

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

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

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

North Fork, CA Radon Facts

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

County Madera County, CA

Zip Code 93643

Avg. User Level 7.00 pCi/L

User Tests 1

High in the Sierra Nevada foothills of Madera County, North Fork's mountainous terrain within the Fresno Metro area features granite bedrock that can contribute to radon gas production. Testing data from zip code 93643 reveals an average radon level of 7.0 pCi/L, significantly exceeding the EPA action level. The community's mountain homes, often featuring crawl spaces or basement areas, require careful radon monitoring given the elevated readings observed in this scenic but geologically active region.

7.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

North Fork, CA Radon Mitigation

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North Fork, CA Radon Levels

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

Radon Level	City	Home Age	Foundation
7 pCi/L	North Fork, CA	21-50 Years	No Basement/All Crawl Space

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Radon FAQ for North Fork, CA

What is the average radon level in North Fork, CA?

Based on 1 user-submitted test, the average radon level in North Fork is 7.00 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 North Fork in?

North Fork and the 93643 zip code are in Madera 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.

How much does radon mitigation cost in North Fork?

Radon mitigation in North Fork 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 Fork?

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

North Fork, CA Radon Levels

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

North Fork, CA Radon Facts

North Fork, CA Radon Mitigation

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North Fork, CA Radon Levels

Radon FAQ for North Fork, CA

Most Active Radon Markets in California

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