El Dorado, CA Radon Mitigation and Testing

Q: What EPA Radon Zone is El Dorado in?

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

Q: How much does radon mitigation cost in El Dorado?

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

Situated in the Sierra Nevada foothills of El Dorado County, this Sacramento Metro community sits on granite and metamorphic bedrock that can produce variable radon levels. The area's rural character includes both older ranch properties and newer residential developments, many with full basements or partial basements due to sloping terrain. Limited testing data for zip code 95623 means homeowners should test their properties to understand their specific radon exposure.

El Dorado, CA Radon Mitigation

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

El Dorado, CA Radon Testing

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

El Dorado Radon Facts

Key details about the radon risk profile for El Dorado and the 95623 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

El Dorado County, CA

Zip Code

95623

Predicted Screening Level

2–4 pCi/L (Zone 2)

El Dorado and the 95623 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 El Dorado, CA

What EPA Radon Zone is El Dorado in?

El Dorado and the 95623 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 El Dorado?

Radon mitigation in El Dorado 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 El Dorado?

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