www.smartgrowthamerica.org Minneapolis Accessory Dwelling Unit Ordinance Aaron Hanauer Thursday, February 25, 2016
mother-in-law suite carriage house granny flat laneway house secondary suite ancillary unit backyard cottage basement apartment alley flat ADU / accessory dwelling unit
Internal Attached Detached Image credits: Peter Crandall, City of Minneapolis
Unlikely to qualify Durable materials? Window coverage?
Why should Minneapolis allow ADUs? Accommodate multigenerational living. Provide a means for residents to remain in their homes and neighborhoods. Respond to increase in number of 1 & 2 person households. Accommodate growth with minimal impacts neighborhood character.
Legend Zoning Districts R1 R1A R2 R2B R3 R4 R5 R6 OR1 OR2 OR3 C1 C2 C3A C3S C4 B4N B4-1 B4-2 B4C-1 B4C-2 B4S-1 B4S-2 I1 I2 I3 / 0 0.25 0.5 1 Miles Created on: Month 00, 2015 67% Citywide Zoning City of Minneapolis Community Planning and Economic Development Data compiled from best available sources. The City of Minneapolis assumes no legal responsibility for the accuracy of this map. For illustrative purposes only. 5-10 min walk to activity centers, nodes, and parks
One-year process: 2014 Ordinance introduction by Council Member Bender 4 open houses, survey administered draft published / 5th open house City Planning Commission Zoning & Planning Committee City Council adoption JANUARY - MARCH APRIL - JUNE JULY - SEPTEMBER OCTOBER - DECEMBER best practices research, internal meetings -------> analysis of issues -------> continually updated ordinance draft based on feedback
Best practices research Focused on cities with longstanding ADU ordinances, such as Vancouver (BC), Portland, Seattle, Santa Cruz. Common themes: --one ADU/lot, homeowner lives on site, parking not required for ADU, exterior design regulation, floor area limits. Ordinance introduction by Council Member Bender 4 open houses, survey administered draft published / 5th open house City Planning Commission Zoning & Planning Committee City Council adoption JANUARY - MARCH APRIL - JUNE JULY - SEPTEMBER OCTOBER - DECEMBER best practices research, internal meetings -------> analysis of issues -------> continually updated ordinance draft based on feedback
Internal Partners Dept. of Community Planning & Economic Development --Building Code Plan Review --Planning sections --Housing Policy Other City departments --Regulatory Services/Housing Inspections --Public Works, Sewer & Water --Office of Sustainability --City Assessor --City Attorney --Neighborhood & Community Relations (Minneapolis for a Lifetime) External Partners Community members Builders Architects Senior Citizen Advisory Committee City Council offices Neighborhood leaders AARP Metropolitan Council Hennepin County and many more! Ordinance introduction by Council Member Bender 4 open houses, survey administered City Planning Commission draft published / 5th open house Zoning & Planning Committee City Council adoption JANUARY - MARCH APRIL - JUNE JULY - SEPTEMBER OCTOBER - DECEMBER best practices research, internal meetings -------> analysis of issues -------> continually updated ordinance draft based on feedback
Photo credits: Aaron Hanauer, City of Minneapolis Ordinance introduction by Council Member Bender 4 open houses, survey administered draft published / 5th open house City Planning Commission Zoning & Planning Committee City Council adoption JANUARY - MARCH APRIL - JUNE JULY - SEPTEMBER OCTOBER - DECEMBER best practices research, internal meetings -------> analysis of issues -------> continually updated ordinance draft based on feedback
Accessory Dwelling Unit Survey 1 Please complete this questionnaire to provide us with your input on allowance of accessory dwelling units in Minneapolis. We value your input! I would support allowing ADUs in the city of Minneapolis. Please explain: Strongly Agree Agree Neutral Disagree Strongly Disagree Don t Know q q q q q q 2 I would support interior ADUs. q q q q q q 3 I would support attached ADUs. q q q q q q 4 I would support detached ADUs. q q q q q q 5 If ADUs were allowed in Minneapolis, I would be interested q q q q q q in adding one to my property. Please explain: 92% supported allowing ADUs in Mpls. 72% interested in adding an ADU. 54% supported owner occupancy. 6 7 8 9 10 Homestead - either the primary or accessory unit should be owneroccupied for the entire year. Maximum size - there should be a specific maximum square feet and/ or number of bedrooms allowed within an ADU. Maximum height - there should be a specific height in feet and/ or a requirement that the ADU be shorter than the primary unit. Off-street parking - there should be a minimum of 1 off-street parking space for each dwelling (primary and accessory), even if it means increasing impervious surfaces and/ or the bulk and height of the ADU. Design - the ADU should match the primary structure rather than allowing flexibility in materials, colors, or roof style/pitch. q q q q q q q q q q q q q q q q q q q q q q q q q q q q q q 50% supported height or floor area limitations. 44% supported flexibility in the exterior design (materials, roof style/pitch). 55% against requiring 1 parking spot for the ADU. Please explain:
In general Allowed where single and two-family homes are permitted. Either the ADU or the main unit must be owneroccupied. No more than 1 per lot. Must be smaller in area than the principal structure. Minimum 1 off-street parking space for each dwelling unit, but not required to provide an additional parking space for the ADU.
Minimum size: 300 square feet office /bathroom TV room/bathroom
Attached / Internal Max. floor area: 800 sq. ft. (with exceptions for existing structures). Exterior materials must match principal structure. Prohibit exterior stairways leading to an upper story. Exterior stairways
Detached Exterior materials must be durable (e.g. brick, stone, wood). Prohibit rooftop decks and balconies facing a side lot line. Min. 10% windows on elevation facing an alley or public street. durable materials 10% windows
Detached - materials and roof pitch Neither are required to match principal structure.
Detached Max. footprint: 676 sq. ft. or 10% of lot. Must be 20 ft. away from main house. Allowed up to 3 ft. from side and rear property lines.
Detached Height and area: Not to exceed principal structure. Max. area: 1,000 sq. ft. Max. height: 20 ft.
Detached: height and stories Allows for both 1.5 and 2 story structures.
Internal 1918 Cedar Lake Pkwy
Attached 4700 & 4704 Bryant Ave N
Detached 3210 Zenith Ave S
2 Legend Accessory Dwelling Units ADU Type Attached Detached Internal Median Household Income Less than $32,000 $32,001 to $53,000 $53,001 to $70,000 $70,001 to $104,000 More than $104,000 Unpermitted Units 0 0.5 1 2 Miles Minneapolis' Approved Accessory Dwelling Units Created on September 14, 2015 Data compiled from best available sources. The City of Minneapolis assumes no legal responsibility for the accuracy of this map. For illustrative purposes only.
http://www.ci.minneapolis.mn.us/cped/projects/adu 45