Loyalton, CA Radon Mitigation and Testing

Q: What EPA Radon Zone is Loyalton in?

Loyalton is in Sierra County, EPA Zone 2.

Q: How much does radon mitigation cost in Loyalton?

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

Sierra County

EPA Zone 2

Mountain community in Sierra County, Loyalton sits in California's Sierra Nevada foothills where volcanic and granitic formations can influence radon levels. While testing data for zip code 96118 is not available, the area's complex geology suggests homeowners should consider radon testing. The community features mountain residential construction adapted to high elevation conditions, with various foundation types depending on terrain and soil conditions.

Loyalton, CA Radon Mitigation

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

Loyalton, CA Radon Testing

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

Loyalton Radon Facts

Key details about the radon risk profile for Loyalton and the 96118 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Sierra County, CA

Zip Code

96118

Predicted Screening Level

2–4 pCi/L (Zone 2)

Loyalton and the 96118 zip code are located in Sierra 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 Loyalton, CA

What EPA Radon Zone is Loyalton in?

Loyalton and the 96118 zip code are in Sierra 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 Loyalton?

Radon mitigation in Loyalton 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 Loyalton?

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