Sequoia National Park, CA Radon Mitigation and Testing

Q: What EPA Radon Zone is Sequoia National Park in?

Sequoia National Park is in Tulare County, EPA Zone 2.

Q: How much does radon mitigation cost in Sequoia National Park?

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

Tulare County

EPA Zone 2

Located within Tulare County in California's Sierra Nevada mountains, Sequoia National Park sits on granite bedrock that can contain uranium-bearing minerals capable of producing elevated radon levels. Limited residential structures within the park boundaries consist mainly of employee housing and historic buildings, typically featuring minimal foundation systems adapted to the mountain environment. Testing data is not available for zip code 93262, making radon testing important for the few year-round residents given the area's granitic geology and potential for uranium-bearing formations.

Sequoia National Park, CA Radon Mitigation

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

Sequoia National Park, CA Radon Testing

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

Sequoia National Park Radon Facts

Key details about the radon risk profile for Sequoia National Park and the 93262 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Tulare County, CA

Zip Code

93262

Predicted Screening Level

2–4 pCi/L (Zone 2)

Sequoia National Park and the 93262 zip code are located in Tulare 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 Sequoia National Park, CA

What EPA Radon Zone is Sequoia National Park in?

Sequoia National Park and the 93262 zip code are in Tulare 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 Sequoia National Park?

Radon mitigation in Sequoia National Park 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 Sequoia National Park?

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