Garage conversion rules in Ventura, CA — sometimes called garage-to-ADU or accessory living unit conversions — govern permits, ceiling height, egress, and parking replacement.
Garage conversions to ADUs are allowed per CA state law. Existing setbacks are exempt. Replacement parking is not required when a garage is converted to an ADU. Thomas Fire rebuild area conversions followed expedited process (expired Dec. 31, 2025).
Garage conversions in Ventura are governed by California's JADU law (Gov Code 65852.22). Converting a garage to a JADU (up to 500 sq ft) is allowed by right on single-family lots. JADUs require owner-occupancy and must include cooking, bathroom, and separate entrance. Replacement parking is not required under state law. Full garage-to-ADU conversions (over 500 sq ft) also don't require replacement parking. Building permits are required for all conversions.
Converting without permits: stop-work order, double retroactive fees, $100-$500/day. Occupying unpermitted conversion: zoning violation. Non-owner-occupied JADU: violation of JADU requirements.
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Side-by-side rule comparisons with other cities in Ventura County.
See how other cities in Ventura County handle garage conversions.
See how Ventura's garage conversions rules stack up against other locations.
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