City Council Study Session Agenda and Packet 2022 11 07

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17-32-160 Accessory dwelling units. Accessory dwelling units are permitted accessory uses in all zoning districts which establish single-family residential uses as a permitted use, subject to the following conditions: (A) A single-family dwelling must exist as a principal dwelling unit on the lot or be constructed in conjunction with the accessory dwelling unit. (B) Only one accessory dwelling unit shall be allowed for each parcel. (C) Accessory dwelling units may be located within the principal dwelling unit, attached to the principal dwelling unit, or detached from the principal dwelling unit. Attached accessory dwelling units, and detached accessory dwelling units that do not meet the minimum separation distance from the principal structure as established by the applicable zone district shall be required to meet all principal structure setbacks of the applicable zone district. Detached accessory dwelling units may be located in the required side and rear yard of a principal structure, provided that such accessory dwelling unit meets established accessory building setback requirements for the applicable zone district, but in no case less than five feet from any property line. No accessory dwelling unit shall be permitted in front of the principal structure or its elevation plane. (D) The square footage of the accessory dwelling unit shall be no larger than 50% of the principal dwelling unit footprint or 800 square feet, whichever is less. Square footage calculations, as contained herein, exclude any related garage, porch or similar area for the principal dwelling unit and accessory dwelling unit. (E) Parking. A minimum of one off-street parking space shall be required for an accessory dwelling unit. Such parking is in addition to the required parking for the principal dwelling unit. The off street parking space shall be consistent with the requirements established in section 17-32-080 of the B.M.C. (F) The maximum occupancy for any accessory dwelling unit shall be two people. The property owner shall be required to occupy as their primary residence either the principal structure or the accessory dwelling unit on the lot. Accessory dwelling units shall not be eligible for use as a short term rental, as defined in chapter 5-39 of the Broomfield Municipal Code. (G) To preserve the appearance of the single-family dwelling and the greater residential community, accessory dwelling units shall be designed in the following manner: The design of the accessory dwelling unit shall be consistent with the design of the principal dwelling unit by use of similar architectural style(s), exterior wall material(s) and color(s), window type(s), door and window trim(s), roofing material(s) and roof pitch and color(s). (Supp. No. 49, Update 3) Proposed ADUs located within a development that is subject to an applicable site development plan and/or planned unit development plan, or overlay district which includes design requirements for a single family residential units shall be required to meet those design requirements. Proposed ADUs located in developments with no specific design standards shall be required to provide no less than 50% of the exterior wall surfaces in a material similar to the principal structure. Walls facing the street must consist of at least 50% of the material used in the principal structure. Created: 2022-09-09 14:09:09 [EST] Page 1 of 2 14