Loleta, CA Radon Mitigation and Testing

Q: What EPA Radon Zone is Loleta in?

Loleta is in Humboldt County, EPA Zone 3.

Q: How much does radon mitigation cost in Loleta?

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

Humboldt County

EPA Zone 3

This coastal Humboldt County community (95551) sits in EPA Zone 3, where northern California's marine geology typically results in lower radon potential. Testing data is limited for Loleta residents, though the region's coastal sedimentary conditions generally pose minimal radon risk. Homeowners can still benefit from baseline testing, particularly in properties with basements or ground-contact foundations.

Loleta, CA Radon Mitigation

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

Loleta, CA Radon Testing

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

Loleta Radon Facts

Key details about the radon risk profile for Loleta and the 95551 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Humboldt County, CA

Zip Code

95551

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Loleta and the 95551 zip code are located in Humboldt County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Loleta, CA

What EPA Radon Zone is Loleta in?

Loleta and the 95551 zip code are in Humboldt County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

How much does radon mitigation cost in Loleta?

Radon mitigation in Loleta 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 Loleta?

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