Security cameras are legal on residential and commercial properties in Alameda County. Video-only recording in public-facing areas is permitted. Audio recording triggers California's strict two-party consent law (Penal Code 632), requiring all parties' consent.
In Alameda County and throughout California, installing security cameras on your own property to record public-facing areas is legal. Property owners may record their driveways, front yards, yards, and other areas visible from public spaces. However, cameras cannot be pointed at areas where individuals have a reasonable expectation of privacy, such as through neighbors' windows, into their backyards shielded by fences, or into bathrooms and bedrooms. California Penal Code 647(j) makes it illegal to use recording devices to view the interior of private spaces. Critically, any audio recording capability on security cameras triggers California's strict two-party consent wiretapping law (Penal Code 632). This means recording private conversations without all parties' consent is a criminal offense, even on your own property. Video-only recording of public areas does not require consent. Doorbell cameras and similar devices are legal but should be angled to avoid capturing private areas of neighboring properties.
Violating California's two-party consent law (Penal Code 632) for audio recording is punishable by fines up to $2,500 per violation and/or up to one year in county jail. Civil penalties can range from $5,000 to $50,000 plus additional damages. Video voyeurism under Penal Code 647(j) is a misdemeanor with up to 6 months in jail.
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