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Accessory Dwelling Unit (ADU) City Regulations for
Mountain View, CA
Mountain View is a city located in Santa Clara County, California. If visiting the area be sure to take a tour at the Computer History Museum or spend the day outside hiking the beautiful Stevens Creek Trail.
Zoning:
R1
Lot Size:
No minimum.
Maximum ADU Floor Area:
700 sq. ft.
Number of Bedrooms:
No minimum/maximum.
Storage/Closet:
No minimum/maximum.
Kitchen/Bath:
Requires separate kitchen facilities (permanent range, counters, refrigerator, sink) and bathroom
Parking:
One space per unit can be covered or uncovered. Shared parking (driveway, garage, or carport) permitted provided ADU has direct, unobstructed access to parking space.
Setbacks:
Side: 1-story detached, 5 ft. min, 12 ft. total. Attached or garage conversions must follow setbacks in Sec. 36.10.25. Rear: 1-story detached, 10 ft. min. Attached or garage conversions must follow setbacks in Sec. 36.10.25.
Height:
Detached: 16 ft. max. (1-story)
Attached: 28 ft. max. (2-story, over garage)
Location:
Attached: Basement, ground level or above garage with no internal access to primary dwelling.
Detached: Rear half of lot, at least 10 ft. from primary dwelling or other structures. Above detached garage: rear half of lot.
Rear Yard Coverage:
30% maximum, including any other accessory structures, and projections of primary dwelling.
Materials/Design:
The design to conform in general to design of primary dwelling.
Entryways:
Attached ADUs must have a separate exterior entry.
ADU Specifications By City
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