Placerville, CA Radon Mitigation and Testing
Nestled in the Sierra Nevada foothills within El Dorado County and the Sacramento Metro area, Placerville sits on granite bedrock known for uranium content that contributes to radon production throughout the region. Local testing data shows an average radon level of 5.0 pCi/L, which exceeds the EPA action threshold and requires immediate attention. The area's mix of older mountain homes and newer construction in zip code 95667, combined with the underlying geological conditions, makes professional radon testing and mitigation essential for all properties.
Based on 1 user-submitted radon test for homes in Placerville, CA. The EPA recommends taking action at or above 4.0 pCi/L.
Placerville, CA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Placerville, CA Radon Testing
Finding qualified radon testing professionals is the first step toward protecting your home.
Placerville, California Radon Levels
User-submitted radon test readings from homes in the Placerville area.
| Radon Level | City | Home Age | Foundation | Submitted |
|---|---|---|---|---|
| 5 pCi/L | Placerville, CA | 51-99 Years | No Basement/All Crawl Space | Mar 2024 |
Have a radon test result for Placerville? Submit your reading to help other homeowners.
Placerville Radon Facts
Key details about the radon risk profile for Placerville and the 95667 zip code area.
Placerville and the 95667 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 Placerville, CA
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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 |