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Los Angeles County

ADU Requirements

# Of Units Allowed In R-1 Zone
1
# Of Units Allowed In Multi-Family Zone
Minimum Required Lot Size
no minimum
Minimum ADU Size
150
Maximum ADU Size
1,200
ADU Setbacks
side and rear: 4 ft., building to building: 6 ft.
Owner Occupancy Required?
no
Parking Requirements
parking exemption or 1 parking per ADU
Can ADU Be Attached To Main House?
JADU, SB-9
Can ADU Have Separate (New) Address?
Can ADU Sold Separately From Main House?
no
Can Unit Have Kitchen?
yes
Can Unit Have Bathroom?
yes
Can Unit Have Separate Entrance?
yes
Electrical Meter Required?
Water Meter Required?
Gas Meter Required?
Solar Panels Required?
Fire Sprinkler System Required?
no, if the existing dwelling already has one

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