Murphys, CA Radon Levels
Check local Murphys radon levels and find certified testing and mitigation professionals to keep your home safe
Murphys, CA Radon Facts
EPA Radon Zone
Zone 2 — Moderate Risk
2–4 pCi/L (Zone 2)
County
Calaveras County, CA
Zip Code
95247
Located in Calaveras County within California's Gold Country foothills, Murphys sits at elevation where Sierra Nevada granite geology typically produces moderate radon potential. Testing data for this historic mining town in the 95247 zip code remains limited, though the EPA Zone 2 classification suggests moderate risk levels. The area's mix of restored historic buildings and mountain homes with varied foundation types makes individual testing particularly valuable for residents.
Murphys, CA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Need Radon Mitigation or Testing in Murphys?
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Radon FAQ for Murphys, CA
What EPA Radon Zone is Murphys in?
Murphys and the 95247 zip code are in Calaveras 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 Murphys?
Radon mitigation in Murphys 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 Murphys?
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 |