Bass Lake, CA Radon Mitigation and Testing

Q: What EPA Radon Zone is Bass Lake in?

Bass Lake is in Madera County, EPA Zone 2.

Q: How much does radon mitigation cost in Bass Lake?

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

Madera County

EPA Zone 2

Situated in Madera County within the Fresno Metro area, Bass Lake occupies EPA Zone 2 territory with moderate radon potential. The community's Sierra Nevada foothill location and recreational housing development throughout zip code 93604 present varying radon conditions based on elevation and construction methods. Without comprehensive testing data available, homeowners should consider radon measurement to understand their property's specific risk levels.

Bass Lake, CA Radon Mitigation

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

Bass Lake, CA Radon Testing

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

Bass Lake Radon Facts

Key details about the radon risk profile for Bass Lake and the 93604 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Madera County, CA

Zip Code

93604

Predicted Screening Level

2–4 pCi/L (Zone 2)

Bass Lake and the 93604 zip code are located in Madera 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 Bass Lake, CA

What EPA Radon Zone is Bass Lake in?

Bass Lake and the 93604 zip code are in Madera 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 Bass Lake?

Radon mitigation in Bass Lake 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 Bass Lake?

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