Fish Camp, CA Radon Mitigation and Testing

Q: What EPA Radon Zone is Fish Camp in?

Fish Camp is in Mariposa County, EPA Zone 2.

Q: How much does radon mitigation cost in Fish Camp?

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

Mariposa County

EPA Zone 2

Positioned in Mariposa County near the Sierra Nevada foothills, Fish Camp serves as a gateway community to Yosemite National Park in zip code 93623. Available testing data is currently limited for this mountain community, making individual radon testing particularly valuable for residents. California's mountainous regions can have variable radon conditions due to complex geology and elevation changes.

Fish Camp, CA Radon Mitigation

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

Fish Camp, CA Radon Testing

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

Fish Camp Radon Facts

Key details about the radon risk profile for Fish Camp and the 93623 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Mariposa County, CA

Zip Code

93623

Predicted Screening Level

2–4 pCi/L (Zone 2)

Fish Camp and the 93623 zip code are located in Mariposa County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Fish Camp, CA

What EPA Radon Zone is Fish Camp in?

Fish Camp and the 93623 zip code are in Mariposa 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 Fish Camp?

Radon mitigation in Fish Camp 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 Fish Camp?

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

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
Woodland Hills	7.67 pCi/L	3
South Lake Tahoe	6.33 pCi/L	3
Palos Verdes Peninsula	6.00 pCi/L	3
Bishop	5.67 pCi/L	3
Sacramento	4.33 pCi/L	3
Oakland	3.33 pCi/L	3
Fresno	10.00 pCi/L	2
Davis	8.00 pCi/L	2
Palo Alto	6.50 pCi/L	2
Studio City	6.50 pCi/L	2
Menlo Park	5.00 pCi/L	2
Truckee	5.00 pCi/L	2
Walnut Creek	4.00 pCi/L	2
San Diego	3.50 pCi/L	2
San Francisco	3.50 pCi/L	2
Belmont	20.00 pCi/L	1