OrangeThe City of Orange is proud of its historic districts and is careful about preserving them. It also has a special environmental review process for new building projects. If you’re thinking of building an accessory dwelling unit in Orange, California, start by checking out the local resources below.
Orange ADU Permits and Regulations Resources
Max ADU Size
Varies by zone and lot size.
Primary Residence Setback
One ADU is permitted in addition to a single-family residence.
Side and Rear Setback
Side is 5 feet; front is 10 feet for a single-story unit.