San JoseSan Jose’s economy remains heavily focused on high technology. Computer hardware design and manufacturing, software production, and Internet concerns are its major industries. Electronic equipment, semiconductors, scientific instruments, and industrial machinery are produced, and business, health, and engineering services are other important economic factors.
San Jose ADU Permits and Regulations Resources
Max ADU Size
For lot sizes up to 1,000 square feet, the max ADU size is 1,000 square feet. For lots bigger than that, the max ADU size is 1,200 square feet.
Varies by jurisdiction, but “front yard setbacks cannot preclude a statewide exemption ADU and must not unduly constrain the creation of all types of ADUs.
Primary Residence Setback
Side and Rear Setback
A minimum of 4 feet for both.