ADU rules in Los Angeles, CA β also called accessory dwelling unit regulations or granny flat ordinances β cover setbacks, owner-occupancy, parking, and permit requirements.
Los Angeles follows CA state ADU law (Gov Code Β§65852.2). Detached ADUs up to 1,200 sq ft. 4-ft side/rear setbacks. 16-ft height limit (18 ft near transit). Solar required. LADBS permits.
Los Angeles administers ADUs under CA Gov Code Β§65852.2 as updated through January 2025. Single-family lots: 1 ADU + 1 JADU. Multi-family: up to 2 detached ADUs plus conversion ADUs. Detached ADU max 1,200 sq ft; attached max 50% of primary. 4-ft side/rear setbacks. Height: 16 ft standard, 18 ft near major transit, 25 ft possible for new construction. ADUs <750 sq ft exempt from impact fees. Solar panels mandatory per CA energy code. LADBS permit fees: $3,000β$10,000 average.
Illegally converted structures without permits are subject to LADBS citation. Unpermitted ADUs are not legalized by the ordinance and must seek permits independently. No variances from Section 12.22 A.33 standards are permitted.
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Side-by-side rule comparisons with other cities in Los Angeles County.
See how other cities in Los Angeles County handle adu rules.
See how Los Angeles's adu rules rules stack up against other locations.
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