At the November 19, 2015 Council meeting, the Council approved the following changes to the ADU regulations:
Reduce minimum lot size for ADUs on SF-3 zoned lots to 5,750 square feet.
Set the maximum size of an ADU to 1,100 square feet or 0.15 FAR whichever is smaller
Reduce building separation to 10 feet (front to back and side to side).
Eliminate requirement that an entry be more than 10 feet from a property line.
Remove driveway requirement
Provide one parking space for the ADU in addition to main structure parking.
Eliminate parking requirement for ADU within 1/4 mile of an activity corridor as identified in the Imagine Austin Comprehensive Plan that is also served by transit
Limit use as short-term rental to a maximum of 30 days per year for ADUs constructed after October 1, 2015.