Standish, CA Radon Mitigation and Testing

Q: What EPA Radon Zone is Standish in?

Standish is in Lassen County, EPA Zone 3.

Q: How much does radon mitigation cost in Standish?

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

Lassen County

EPA Zone 3

Located in northeastern Lassen County within California's Modoc Plateau region, Standish sits on volcanic soils and basaltic bedrock typical of the high desert environment. The small community features primarily single-family homes, many built on slab foundations suitable for the area's geological conditions. Testing data is currently unavailable for zip code 96128, so residents should consider professional radon testing to determine their individual exposure levels.

Standish, CA Radon Mitigation

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

Standish, CA Radon Testing

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

Standish Radon Facts

Key details about the radon risk profile for Standish and the 96128 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Lassen County, CA

Zip Code

96128

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Standish and the 96128 zip code are located in Lassen County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Standish, CA

What EPA Radon Zone is Standish in?

Standish and the 96128 zip code are in Lassen 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 Standish?

Radon mitigation in Standish 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 Standish?

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