Manhattan Beach, CA Radon Mitigation and Testing

Q: What EPA Radon Zone is Manhattan Beach in?

Manhattan Beach is in Los Angeles County, EPA Zone 2.

Q: How much does radon mitigation cost in Manhattan Beach?

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

Los Angeles County

EPA Zone 2

This coastal Los Angeles County community within the Los Angeles Metro sits directly on Pacific Ocean beaches, where marine sediments and sea-level elevation typically result in lower radon concentrations. Manhattan Beach's upscale residential properties feature predominantly slab-on-grade construction and elevated designs suited to the coastal environment, with few homes having traditional basements. While testing data is currently limited for the 90266 zip code, the area's geological characteristics suggest generally minimal radon risk.

Manhattan Beach, CA Radon Mitigation

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

Manhattan Beach, CA Radon Testing

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

Manhattan Beach Radon Facts

Key details about the radon risk profile for Manhattan Beach and the 90266 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Los Angeles County, CA

Zip Code

90266

Predicted Screening Level

2–4 pCi/L (Zone 2)

Manhattan Beach and the 90266 zip code are located in Los Angeles 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 Manhattan Beach, CA

What EPA Radon Zone is Manhattan Beach in?

Manhattan Beach and the 90266 zip code are in Los Angeles 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 Manhattan Beach?

Radon mitigation in Manhattan Beach 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 Manhattan Beach?

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