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Greensboro, NC, Land Development Ordinance
2017The city’s land development code permits internal, attached, and detached accessory dwelling units by right in in all residential districts, subject to use-specific standards.Greensboro, NC -
Auburn, WA, Municipal Code
2017The city’s zoning code permits internal, attached, and detached accessory dwelling units by right in all districts that permit single-family homes, subject to use-specific standards.Auburn, WA -
Clallam County, WA, County Code
2017The county’s zoning code permits internal, attached, and detached accessory dwelling units by right in all districts that permit single-family residences, subject to use-specific standards.Clallam County, WA -
Forsyth County, GA, Code of Ordinances
2016The county’s unified development code permits accessory apartments and promotes urban forestry.Forsyth County, GA -
Lexington, MA, Town Bylaws
2016The town’s zoning code permits internal and attached accessory apartments by right in multiple residential districts and larger internal and attached or detached accessory apartments by discretionary approval in multiple residential districts, subject to use-specific standards.Lexington town, MA -
Palmer, AK, City Code
2016The city’s zoning code permits internal, attached, and detached accessory dwelling units by right in all residential and agricultural districts, subject to use-specific standards.Palmer, AK -
Port Aransas, TX, Code of Ordinances
2016The city’s zoning code permits internal, attached, and detached accessory dwelling units by right in all zoning districts that permit single-family residences, subject to use-specific standardsPort Aransas, TX -
Orono, ME, Code of Ordinances
2015The town’s land use code permits internal, attached, and detached accessory dwelling units by right in all districts that permit single-family dwellings, subject to use specific standards.Orono town, ME -
Moscow, ID, City Code
2017The city’s land use code permits internal, attached, and detached accessory dwelling units by right in all residential districts, subject to use-specific standards.Moscow, ID -
Iowa City, IA, City Code
Updated July 17, 2018This regulation belongs to the Accessory Dwelling Units, Design Review, Environmentally Sensitive Areas, Food Trucks, Inclusionary Housing, and Transfer of Development Rights collections. -
Santa Clara County, CA, Code of Ordinances
Updated August 2018These regulations belong to the Accessory Dwelling Units, Home Occupations, Scenic View Protection, Solar Energy, and Wildland-Urban Interface collections. -
San Antonio, TX, Code of Ordinances
Updated October 2020These regulations belong to the Accessory Dwelling Units, Age-Friendly Communities, Food Trucks, Grayfields Reuse and Redevelopment, Green Stormwater Infrastructure, Historic Preservation, Home Occupations, Inclusionary Housing, Scenic View Protection, Solar Energy, and Tree Preservation and Urban Forest collections. -
Amherst, MA, Zoning Bylaw
Updated June 2022This town’s zoning bylaws permits contained, attached, and detached accessory dwelling units in certain residential districts. -
Apple Valley, MN, Code of Ordinances
Updated May 2022This city’s code of ordinances allows for accessory unit dwellings in one residential district type with a conditional use permit. -
Boise, ID, City Code
Adopted November 2011This regulation belongs to the Accessory Dwelling Units, Food Trucks, Green Building, and Small Wireless Facilities and Wireless Facilities in the ROW collections. -
Fort Lauderdale, FL, Code of Ordinances
Updated January 2023This regulation belongs to the Accessory Dwelling Units, Rethinking Off-Street Parking Requirements, Tactical Urbanism, and Urban Agriculture collections. -
Columbia, MO, Code of Ordinances
2017The city code addresses accessory dwelling units, scenic view protection, residential infill development, and urban livestock. -
Seattle, WA, Municipal Code
Updated July 2022This regulation belongs to 18 different Research KnowledgeBase collections, ranging from Accessory Dwelling Units to Urban Livestock. -
Fayetteville, AR, Code of Ordinances
Updated November 2019This regulation belongs to the Accessory Dwelling Units, Green Stormwater Infrastructure and Rethinking Off-Street Parking Requirements collections. -
Hudson, OH, Code of Ordinances
Updated January 2023This city’s code allows for one accessory dwelling unit on a lot with a single-family dwelling. -
Sparks, NV, Code of Ordinances
Updated July 2021These regulations belong to the Accessory Dwelling Units, Content-Neutral Sign Regulation, Solar Energy, Urban Agriculture, and Zoning Reform and Code Writing collections. -
Decatur, GA, Code of Ordinances
Updated December 2020These regulations belong to the Accessory Dwelling Units, Tree Preservation and the Urban Forest, Urban Agriculture, and Zoning Reform and Code Writing collections. -
Gainesville, FL, Code of Ordinances
Updated May 2022This regulation belongs to the Accessory Dwelling Units, Biophilic Planning, Green Building, Outdoor Lighting, Shared Mobility, and Wildland-Urban Interface collections. -
Boulder, CO, Revised Code
Updated April 2019This regulation belongs to the Accessory Dwelling Units, Active Transportation, Environmentally Sensitive Areas, Food Trucks, Inclusionary Housing, Marijuana-Related Uses, Rethinking Off-Street Parking Requirements, and Solar Energy collections. -
Lawrence, KS, City Code
Updated January 2018The city’s codified ordinances belong to the Accessory Dwelling Units, Form-Based Zoning, Group Housing and Home Occupations collections. -
Charlottesville, VA, Code of Ordinances
Updated April 2018This regulation belongs to the Accessory Dwelling Units, Active Transportation and Short-Term Residential Rentals collections. -
Chapel Hill, NC, Code of Ordinances
Updated October 2019This regulation belongs to the Accessory Dwelling Units, Green Building, Inclusionary Housing, Residential Infill Development, Solar Energy, and Tree Preservation and Urban Forestry collections. -
Madison, WI, Code of Ordinances
Updated March 2023This regulation belongs to the Accessory Dwelling Units, Creative Placemaking, Electric Vehicle Infrastructure, Outdoor Lighting, Rethinking Off-Street Parking Requirements, Solar Energy, Urban Agriculture, and Zoning Reform and Code Writing collections. -
Olympia, WA, Municipal Code
Updated February 2023This regulation belongs to the Accessory Dwelling Units, Grayfields Reuse and Redevelopment, and Tree Preservation and the Urban Forest collections. -
Murray City, UT, Code of Ordinances
Updated February 2023This city’s code permits attached and detached accessory dwelling units in any zone that allows for single family residences. -
Hartford, CT, Zoning Regulations
Updated June 2020These regulations belong to the Accessory Dwelling Units, Form-Based Zoning, Tiny Houses and Micro-Apartments, Urban Agriculture, and Zoning Reform and Code Writing collections. -
Bloomington, IN, Municipal Code
Updated October 2019This regulation belongs to the Accessory Dwelling Units and Green Building collections. -
Auburn, AL, Zoning Ordinance
Updated October 2022The city’s zoning code permits internal, attached, and detached accessory dwelling units (ADUs) by right in multiple residential districts, subject to use-specific standards. -
Chula Vista, CA, Municipal Code
Adopted February 2019This regulation belongs to the Accessory Dwelling Units and Solar Energy collections. -
Bentonville, AR, Zoning Code
Updated March 2018This regulation belongs to the Accessory Dwelling Units, Content-Neutral Sign Regulation, Downtown Revitalization, and Solar Energy collections. -
Eugene, OR, Municipal Code
Updated May 2019This regulation belongs to the Accessory Dwelling Units, Active Transportation, Residential Infill Development, Rethinking Off-Street Parking Requirements, and Solar Energy collections. -
Sandpoint, ID, City Code
Updated December 2018This regulation belongs to the Accessory Dwelling Unit and Short-Term Residential Rentals collections. -
Rapid City, SD, Code of Ordinances
Updated December 2019These regulations belong to the Accessory Dwelling Units, Small Wireless Facilities and Wireless Facilities in the ROW and Wind Energy collections. -
Durango, CO, Code of Ordinances
Updated April 2019These regulations belong to the Accessory Dwelling Units, Marijuana-Related Uses, and Scenic View Protection collections. -
Lincoln, NE, Municipal Code
Updated January 2020These regulations belong to the Accessory Dwelling Units and Wind Energy collections. -
Fremont, NE, Code of Ordinances
Updated October 2019The city's zoning code permits one internal, attached, or detached accessory dwelling unit (ADU) by right in suburban and auto-urban residential districts. -
Cohoes, NY, City Code
Updated May 2019The city's zoning code permits one internal, attached, or detached accessory dwelling unit (ADU) by right in association with any single-family dwelling -
Beaufort, SC, The Beaufort Code
Updated July 2018These regulations belong to the Accessory Dwelling Units and Form-Based Zoning collections. -
Ocean Springs, MS, Code of Ordinances
Updated June 2019The city's unified development code permits one internal, attached, or detached accessory dwelling unit (ADU) in association with any single-family dwelling. -
Knoxville, TN, Code of Ordinances
Updated August 2019by: City of KnoxvilleThese regulations belong to the Accessory Dwelling Units, Downtown Revitalization, Residential Infill Development, and Solar Energy collections. -
Londonderry, NH, Municipal Codes
Updated August 2019The town's zoning code permits one internal, attached, or detached accessory dwelling unit (ADU) by right on any lot with an owner-occupied single-family home. -
Mandan, ND, Code of Ordinances
Updated December 2019The city's land development code permits internal, attached, and detached accessory dwelling units (ADUs) by right in two residential zoning districts. -
Bloomington, MN, Code of Ordinances
Updated December 2019This regulation belongs to the Accessory Dwelling Units, Active Transportation, Affordable Housing Programs, Creative Placemaking, and Green Building collections. -
Bozeman, MT, Code of Ordinances
Updated December 2019This regulation belongs to the Accessory Dwelling Units, Green Stormwater Infrastructure, Group Housing, Historic Preservation, Marijuana-Related Uses, and Urban Livestock collections. -
Santa Cruz, CA, Municipal Code
Updated September 2019This collection belongs to the Accessory Dwelling Units, Green Building, and Inclusionary Housing collections.
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