Redding, CA Radon Mitigation and Testing

Q: What EPA Radon Zone is Redding in?

Redding is in Shasta County, EPA Zone 3.

Q: How much does radon mitigation cost in Redding?

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

Shasta County

EPA Zone 3

Redding, the largest city in Shasta County, sits in California's Central Valley where volcanic soils and metamorphic bedrock create variable radon conditions throughout the region. Current testing data for the area is limited, though geological factors suggest moderate radon potential. Homeowners across Redding's diverse neighborhoods should test their properties, particularly those with basements or homes built against hillsides where gas accumulation is more likely.

Redding, CA Radon Mitigation

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

Redding, CA Radon Testing

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

Redding Radon Facts

Key details about the radon risk profile for Redding and the 96001 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Shasta County, CA

Zip Code

96001

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Redding and the 96001 zip code are located in Shasta 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 Redding, CA

What EPA Radon Zone is Redding in?

Redding and the 96001 zip code are in Shasta 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 Redding?

Radon mitigation in Redding 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 Redding?

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