Grizzly Flats, CA Radon Mitigation and Testing

Q: What EPA Radon Zone is Grizzly Flats in?

Grizzly Flats is in El Dorado County, EPA Zone 2.

Q: How much does radon mitigation cost in Grizzly Flats?

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

El Dorado County

EPA Zone 2

Nestled in El Dorado County within the Sacramento Metro's foothills, Grizzly Flats sits in California's Sierra Nevada region where granitic geology can produce variable radon levels. The mountain community features diverse housing from rustic cabins to modern homes, many built on different foundation types to accommodate sloping terrain. Testing data for the 95636 zip code remains limited, making it important for residents to conduct radon testing since mountain geology can create localized areas of elevated radon concentration.

Grizzly Flats, CA Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Grizzly Flats, CA Radon Testing

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

Grizzly Flats Radon Facts

Key details about the radon risk profile for Grizzly Flats and the 95636 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

El Dorado County, CA

Zip Code

95636

Predicted Screening Level

2–4 pCi/L (Zone 2)

Grizzly Flats and the 95636 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 Grizzly Flats, CA

What EPA Radon Zone is Grizzly Flats in?

Grizzly Flats and the 95636 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 Grizzly Flats?

Radon mitigation in Grizzly Flats 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 Grizzly Flats?

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