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o Maximum unit size of 800 square feet. Internal ADU cannot exceed one-third <br />(1/3) of the principal structure floor space. <br />o Access and entrances <br />• Walkway required from abutting public street to the primary entrance of <br />the ADU <br />• Internal stairways are permitted for access to upper floor ADU's, but <br />external stairways must be placed on the side or rear of the structure for <br />exterior access points. <br />• Exterior stairways must be constructed with durable materials and match <br />the finish of the structure they are attached to. <br />o Additional parking is not required if off-street parking requirements for the <br />principal structure are met. <br />o Shall not be sold separately or made a separate tax parcel. <br />City <br />Type of ADU (Internal, attached, detached) <br />Minimum Lot Size for ADU's <br />Andover <br />All types <br />R-1 min. lot size — 2.5 acres <br />Anoka <br />AD U s not allowed <br />AD U s not allowed <br />Blaine <br />AD U s not allowed <br />AD U s not allowed <br />Coon <br />Rapids <br />AD U s not allowed <br />AD U s not allowed <br />Dayton <br />Internal, attached <br />R-1 min. lot size - 10,890 sf (0.25 <br />acres) <br />Detached <br />Two (2) acres with IUP <br />Elk River <br />All types <br />R-1 min. lot size — 6,000 sf (0.13 <br />acres) <br />Ham Lake <br />AD U s not allowed <br />AD U s not allowed <br />Maple <br />Grove <br />AD U s not allowed <br />AD U s not allowed <br />Minneapolis <br />All types <br />No requirement <br />Minnetrista <br />All types <br />No requirement <br />Nowthen <br />AD U s not allowed <br />AD U s not allowed <br />Oak Grove <br />AD U s not allowed <br />AD U s not allowed <br />Otsego <br />AD U s not allowed <br />AD U s not allowed <br />Rogers <br />AD U s not allowed <br />AD U s not allowed <br />Roseville <br />All types <br />No requirement <br />St. Paul <br />All types <br />5,000 sf (0.11 acres) <br />Additional Information/Resources on ADU's <br />- AARP: partner of ADU's as it relates to senior living <br />- American Planning Association <br />- City of St. Paul's Case Study on ADU's <br />- ADU by City Research <br />- Family Housing Fund <br />o Handout <br />