Quincy, CA Radon Levels

Q: What EPA Radon Zone is Quincy in?

Quincy is in Plumas County, EPA Zone 2.

Q: How much does radon mitigation cost in Quincy?

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

Check local Quincy radon levels and find certified testing and mitigation professionals to keep your home safe

Quincy, CA Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Plumas County, CA

Zip Code 95971

Mountain community in Plumas County in California's Sierra Nevada, Quincy (zip code 95971) sits in a valley surrounded by volcanic and granitic geology that can influence radon levels unpredictably. The area's housing ranges from historic Gold Rush era structures to modern mountain homes, often featuring varied foundation types adapted to the terrain, though radon testing data remains limited. Given the complex geology and elevation, homeowners should conduct radon testing regardless of EPA zone classifications.

Quincy, 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 Quincy, CA

What EPA Radon Zone is Quincy in?

Quincy and the 95971 zip code are in Plumas 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 Quincy?

Radon mitigation in Quincy 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 Quincy?

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