ADU according to the Smart Code

Ancillary unit defined: an apartment not greater than 600 square feet sharing utility connections with a principal building. It may or may not be a separate building. Ancillary units do not count toward maximum density calculations. Ancillary units are allowed in all tiers of the Transect, from rural to core, under the following restrictions. Rural and Sub- urban tiers: Each lot may have one principal and one ancillary building, with two assigned parking spaces for each. Both dwellings shall be under the same ownership. The habitable area of the ancillary dwelling shall not exceed 500 square feet. General tier: Each lot may have one principal and one ancillary building, with 1.5 assigned parking spaces for each. Both dwellings shall be under the same ownership. The habitable area of the ancillary dwelling shall not exceed 500 square feet. Center and Core tiers: 1.5 parking spaces are assigned to each unit, a ratio which may be reduced according to shared parking standards. —