Jurisdiction Baseline
Residential Lot ADU Envelope
Under governing state statutes, residential properties qualify by right for detached backyard ADUs up to 1,200 sq ft with 4-ft setbacks.
Los Angeles allows detached ADUs up to 1,200 sq ft by right with standard 4-ft setbacks, plus an attached Junior ADU up to 500 sq ft.
Max Detached Size 1,200 sq ft
Setbacks (Rear/Side) 4' rear / 4' side
Max Height 18 - 25 ft
Parking Mandate Exempt
Owner-Occupancy: Not Required (Waived)
Junior ADU (JADU): Allowed (500 sq ft)
Pre-approved Plans: Available
Permit Turnaround: 4 - 8 weeks
Impact Fees: Exempt under 750 sq ft