Garden Valley, CA Radon Mitigation and Testing

Q: What EPA Radon Zone is Garden Valley in?

Garden Valley is in El Dorado County, EPA Zone 2.

Q: How much does radon mitigation cost in Garden Valley?

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

El Dorado County

EPA Zone 2

Nestled in El Dorado County within the Sacramento Metro foothills, Garden Valley sits on granitic terrain that typically produces moderate radon levels. Current testing data for zip code 95633 is limited, so residents should prioritize radon testing to understand their individual home's risk profile. The community's mix of mountain residential properties and newer construction may show varying radon patterns based on foundation design and local geological features.

Garden Valley, CA Radon Mitigation

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

Garden Valley, CA Radon Testing

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

Garden Valley Radon Facts

Key details about the radon risk profile for Garden Valley and the 95633 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

El Dorado County, CA

Zip Code

95633

Predicted Screening Level

2–4 pCi/L (Zone 2)

Garden Valley and the 95633 zip code are located in El Dorado 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 Garden Valley, CA

What EPA Radon Zone is Garden Valley in?

Garden Valley and the 95633 zip code are in El Dorado 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 Garden Valley?

Radon mitigation in Garden Valley 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 Garden Valley?

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