Agenda - Council Work Session - 12/14/2021

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1001.36 ACCESSORY DWELLING UNITS Subd. 1 Purpose The purpose of this chapter is to provide performance standards for the erection, siting, and use of Accessory Dwellings that may be allowed within the various zoning districts to ensure compatibility with the principal use and with surrounding properties, as well as to protect the general health, safety, and welfare of the community. (1) Attached or internal Accessory Dwelling Units (ADUs) are permitted administratively through a building permit in residential and agricultural lots as long as the following conditions are met: a. Minimum lot size. The lot must meet the minimum lot size of the Residential district or be legally conforming or legally nonconforming in the Agriculture District in which the ADU is proposed. b. Post frame. No post frame construction is allowed. c. Parking. ADUs are not permitted on residential sites that do not meet the minimum parking standards for a single- family dwelling unit (four off-street spaces, two enclosed spaces and two surfaced spaces, see Subsection 1001.19). No on - street parking can be utilized for parking for the ADU. Parking shall be on an approved surface. d. Location. ADUs can be attached to the single-family dwelling living space or located within the single-family dwelling. e. Number. No more than one ADU is permitted per residential lot. Owner occupancy is required in either the primary unit or ADU. f. Bedrooms. No more than two bedrooms are permitted in the ADU. g. Occupants. Occupancy is limited to not more than two persons in the ADU. h. Rental license. The ADU shall not be allowed a short- or long-term rental license. i. Home occupations. Home occupations are not allowed within an ADU. No extended home businesses are allowed in the unit. j. Ownership. The owner of the ADU must also be the owner of the primary single-family residential dwelling. k. Size. Attached or Internal ADUs must be at least 300 square feet in floor area and cannot exceed 960 square feet in floor area or 35% of the four -season living gross floor area of the associated single-family dwelling unit (exclusive of the ADU) whichever is less. The associated single-family dwelling unit must continue to meet minimum floor area requirements. I. Inspections. The structure shall meet Minnesota State Building Code, accessibility standards, and inspections, as well as appropriately connect to utilities. m. Appearance. The ADU must appear similar, or bo compatible with the primary residence. No entrance shall be established along the building front of an existing dwelling to serve an ADU. n. Application requirements. Any application for an ADU must be accompanied by: 1. An existing conditions survey showing property lines, existing and proposed structure, existing and proposed impervious surface areas, setbacks, and required off-street parking; 2. A letter narrative describing the proposed ADU; 3. Elevation plans depicting both the existing and proposed structure from all four elevations including entry into the 4. Floor plan of both the single-family dwelling and the associated ADU indicating points of entrance and total floor 5. For sites with private septic systems an inspection and report from a certified inspector that the capacity of the system can serve the additional unit shall be provided for review and approval by the City's Building and Zoning Inspectors. (2) Detached Accessory Dwelling Units (DADU) are permitted with an interim use permit in Single -Family Residential Districts or Agricultural Districts as long as the following conditions are met: a. Standards. Must be a secondary detached dwelling unit. The structure cannot have wheels, chassis, or axles and must be placed on a concrete pad or foundation. b. Occupancy. The primary single-family dwelling in which the DADU is proposed is owner occupied. The DADU is occupied by a family member or extended family member of the single-family dwelling. Occupancy is limited to two individuals. c. Rental. DADUs shall not be permitted a short- or long-term rental license. d. Minimum lot size. The lot shall be a minimum of two acres. e. Size. Be at least 300 square feet in floor area and cannot exceed 600 square feet in floor area or 35% of the four - season living gross floor area of the associated single-family dwelling unit whichever is less. The associated single-family ADU areas;