Downey
ADU Requirements
- # Of Units Allowed In R-1 Zone
- 1
- # Of Units Allowed In Multi-Family Zone
- 2
- Minimum Required Lot Size
- 800 sq. ft., no minimum lot size; 45% FAR up to 1,000 sq. ft.
- Minimum ADU Size
- 150
- Maximum ADU Size
- 1,000
- ADU Setbacks
- side and rear: 4 ft., building to building: 5 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?
- yes
- 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?
- not required
- Water Meter Required?
- not required
- Gas Meter Required?
- not required
- Solar Panels Required?
- Fire Sprinkler System Required?
- no, if the existing dwelling already has one