Murphys, CA Radon Mitigation and Testing

Q: What EPA Radon Zone is Murphys in?

Murphys is in Calaveras County, EPA Zone 2.

Q: How much does radon mitigation cost in Murphys?

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

Calaveras County

EPA Zone 2

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.

Murphys, CA Radon Testing

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

Murphys Radon Facts

Key details about the radon risk profile for Murphys and the 95247 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Calaveras County, CA

Zip Code

95247

Predicted Screening Level

2–4 pCi/L (Zone 2)

Murphys and the 95247 zip code are located in Calaveras 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 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 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