El Dorado, CA Radon Levels
Check local El Dorado radon levels and find certified testing and mitigation professionals to keep your home safe
El Dorado, CA Radon Facts
EPA Radon Zone
Zone 2 — Moderate Risk
2–4 pCi/L (Zone 2)
County
El Dorado County, CA
Zip Code
95623
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.
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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 in California with the most user-submitted radon test data, ranked by number of submissions.
| 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 |
| Bishop | 6.25 pCi/L | 4 |
| Oakland | 5.00 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 |
| Sacramento | 4.33 pCi/L | 3 |