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SUBJECT: STUDY SESSION —ACCESSORY DWELLING UNITS <br />DATE: NOVEMBER 7, 2022 <br />Summary of Neighboring Community ADU Regulations: <br />Locations Allowed <br />Size Limitation <br />Location and Design <br />Owner Occupancy/ <br />Parking <br />Utility Requirements <br />Occupancy Limit <br />Standards <br />Home > 1,000 sq. ft. = 50% <br />Similar design and <br />materials to principal <br />Owner occupancy <br />All single family zoned <br />of principal dwelling or 800 <br />dwelling; subordinate <br />required in either <br />1 off-street <br />Must be connected to <br />Golden <br />districts and PUDs with <br />sq. ft., whichever is smaller; <br />entrance for ADU; window <br />principal dwelling unit <br />space <br />water and wastewater of <br />single family <br />Home < 1,000 sq. ft. = 500 <br />placement for privacy; <br />or ADU; <br />principal dwelling <br />sq. ft. <br />designated outdoor space <br />ADU = 3 occupant limit <br />If single ownership, may <br />Old Town district only <br />Must be detached unit; <br />Allows separate <br />connect to water and <br />Setback addition 10 ft. from <br />ownership of units; <br />No parking <br />wastewater of principal <br />Lafayette <br />Allows separate <br />750 sq. ft. <br />principal structure front <br />No occupancy limits <br />standards listed <br />dwelling; <br />ownership <br />setback; Setback 6 ft. from <br />listed specific to ADUs <br />specific to ADUs <br />If separate ownership, <br />principal dwelling <br />then separate utility <br />services required <br />Materials and windows to <br />Owner occupancy <br />All single family zoned <br />50% of principal dwelling or <br />match principal dwelling <br />required in either <br />1 off-street <br />Must be connected to <br />Broomfield <br />districts <br />800 sq. ft., whichever is <br />and PUD standards; <br />principal dwelling unit <br />water and wastewater of <br />smaller <br />subordinate entrance for <br />or ADU <br />space <br />principal dwelling <br />ADU <br />Home > 1,000 sq. ft. = 50% <br />Specified zoned districts <br />of principal dwelling or 800 <br />Same design standards as <br />Must be connected to <br />Superior <br />(Districts covering <br />sq. ft., whichever is smaller <br />principal dwelling; <br />Limited to 3 unrelated <br />1 off-street <br />water and wastewater of <br />Original Town) <br />subordinate entrance for <br />occupants <br />space <br />principal dwelling <br />Home < 1,000 sq. ft. = 500 <br />ADU <br />sq. ft. <br />Detached: 40% of principal <br />Located behind principal <br />Owner occupancy <br />dwelling, between 600 and <br />dwelling; materials and <br />required in either <br />Must be connected to <br />Arvada <br />Specified zoned districts <br />1,200 sq. ft. depending on lot <br />form to match principal <br />principal dwelling unit <br />1 off-street <br />water and wastewater of <br />area; <br />dwelling; window <br />or ADU <br />space <br />principal dwelling <br />Attached: 50% of principal <br />placement for privacy; <br />dwelling <br />designated outdoors ace <br />Allowed in all single <br />Owner occupancy <br />1 off-street <br />family resident district <br />Detached: 550 sq. ft.; <br />Height limited to 25 ft. and <br />required in principal <br />through administrative <br />Attached: 33 /o of principal <br />roof pitch standards for <br />dwelling unit; <br />space <br />(exceptions for <br />Ordinance does not <br />Boulder <br />conditional use review; <br />dwelling or 1,000 sq. ft. <br />detached ADU; subordinate <br />Combined occupancy <br />affordable and <br />address utility standards <br />requires rental license; <br />(exceptions for affordable <br />entrance for ADU; <br />of principal dwelling <br />historic <br />some districts have <br />and historic preservation) <br />designated outdoor space <br />and ADU limited to <br />preservation) <br />s acin /saturation limits <br />zone district standard <br />CITY COUNCIL COMMUNICATION <br />93 <br />