(Local code may vary)
May be built up to 1,200 Sq. Ft.
A seperate address is issued
Utilities may be seperate but not required
Additions may be 1st or 2nd story
Must include a kitchen area and a bathroom
Additions must meet a 5' setback
May not be within 5' of a utility easement
Additional parking may be required
An attached garage conversion is the most conventional ADU type, no additional parking is required but parking for the main reisdence must still be available.
An interior conversion allows for converting part of the existing home into an ADU, a cost effective option for a home that can afford to give up some of its living space.
ADDITION TO AN EXISTING STRACTURE
An ADU established by adding onto an existing stracture be it the main residence or the garage, can be 1 or 2 story and may not exceed 50% of the existing home square foot.
A detached garage is a great candidate for an ADU as it allows for a number of different variations.
An ADU built from the ground up, most often it is the best option for a corner lot which allows for a seperate driveway.