(A) ADUs are permitted in all zone districts allowing single-family or multifamily residential uses on lots developed with existing or proposed dwellings.
(B) An ADU may be established in the following methods:
(1) Attached to, or located within, an existing or proposed primary dwelling.
(2) A new detached structure, or located within or attached to an accessory structure, including detached garages or similar structures.
(3) Conversion of existing attached or detached accessory structures, including garages, storage areas, or similar structures.
(4) Reconstruction of an existing structure or living area that is proposed to be converted to an ADU, or a portion thereof, in the same location and to the same dimensions and setbacks as the existing structure.
(C) One ADU and one JADU may be established per lot with a proposed or existing single-family if all of the following apply:
(1) The ADU or JADU is within the proposed space of a single-family dwelling or existing space of a single-family dwelling or accessory structure and may include an expansion of not more than 150 square feet beyond the same physical dimensions as the existing accessory structure. An expansion beyond the physical dimensions of the existing accessory structure shall be limited to accommodating ingress and egress.
(2) The space has exterior access from the proposed or existing single-family dwelling.
(3) The side and rear setbacks are sufficient for fire and safety.
(D) One JADU may be established within the space of an existing or proposed single-family residence, on a lot that is zoned to allow single-family residential uses.
(E) A JADU may be established within the space of the primary dwelling in combination with the construction of one detached, new construction ADU not exceeding 1,200 square feet and a height of 16 feet with four-foot side and rear yard setbacks.
(F) ADUs shall be permitted on lots developed with existing multifamily dwellings subject to the following provisions:
(1) A minimum of one ADU may be constructed, or up to 25% of the existing unit count, within non-livable space, including, but not limited to, storage rooms, passageways, attics, basements, or closets.
(2) The construction of two detached ADUs, subject to a maximum height of 16 feet, and four-foot side and rear setbacks. In this case, only two detached ADUs are permitted on lots developed with existing multifamily dwellings.
(Ord. 2021-007, passed 12-14-21)