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    • Greensboro, NC, Land Development Ordinance

      2017
      The 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

      2017
      The 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

      2017
      The 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

      2016
      The county’s unified development code permits accessory apartments and promotes urban forestry.
      Forsyth County, GA
    • Lexington, MA, Town Bylaws

      2016
      The 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

      2016
      The 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

      2016
      The 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 standards
      Port Aransas, TX
    • Orono, ME, Code of Ordinances

      2015
      The 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

      2017
      The 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
    • Santa Clara County, CA, Code of Ordinances

      Updated August 2018
      These regulations belong to the Accessory Dwelling Units, Home Occupations, Scenic View Protection, Solar Energy, and Wildland-Urban Interface collections.
    • Amherst, MA, Zoning Bylaw

      Updated June 2022
      This town’s zoning bylaws permits contained, attached, and detached accessory dwelling units in certain residential districts.
    • Apple Valley, MN, Code of Ordinances

      Updated May 2022
      This city’s code of ordinances allows for accessory unit dwellings in one residential district type with a conditional use permit.
    • Fayetteville, AR, Code of Ordinances

      Updated November 2019
      This regulation belongs to the Accessory Dwelling Units, Green Stormwater Infrastructure and Rethinking Off-Street Parking Requirements collections.
    • Hudson, OH, Code of Ordinances

      Updated January 2023
      This city’s code allows for one accessory dwelling unit on a lot with a single-family dwelling.
    • Gainesville, FL, Code of Ordinances

      Updated May 2022
      This regulation belongs to the Accessory Dwelling Units, Biophilic Planning, Green Building, Outdoor Lighting, Shared Mobility, and Wildland-Urban Interface collections.
    • Lawrence, KS, City Code

      Updated January 2018
      The 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 2018
      This regulation belongs to the Accessory Dwelling Units, Active Transportation and Short-Term Residential Rentals collections.
    • Chapel Hill, NC, Code of Ordinances

      Updated October 2019
      This regulation belongs to the Accessory Dwelling Units, Green Building, Inclusionary Housing, Residential Infill Development, Solar Energy, and Tree Preservation and Urban Forestry collections.
    • Olympia, WA, Municipal Code

      Updated February 2023
      This 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 2023
      This city’s code permits attached and detached accessory dwelling units in any zone that allows for single family residences.
    • Bloomington, IN, Municipal Code

      Updated October 2019
      This regulation belongs to the Accessory Dwelling Units and Green Building collections.
    • Auburn, AL, Zoning Ordinance

      Updated October 2022
      The city’s zoning code permits internal, attached, and detached accessory dwelling units (ADUs) by right in multiple residential districts, subject to use-specific standards.
    • Bloomington, MN, Code of Ordinances

      Updated December 2019
      This regulation belongs to the Accessory Dwelling Units, Active Transportation, Affordable Housing Programs, Creative Placemaking, and Green Building collections.
    • Santa Cruz, CA, Municipal Code

      Updated September 2019
      This collection belongs to the Accessory Dwelling Units, Green Building, and Inclusionary Housing collections.
    • Santa Fe, NM, City Code

      Updated October 2019
      This regulation belongs to the Accessory Dwelling Units, Green Building, Historic Preservation, Short-Term Residential Rentals, and Wildland-Urban Interface collections.
    • Chula Vista, CA, Municipal Code

      Adopted February 2019
      This regulation belongs to the Accessory Dwelling Units and Solar Energy collections.
    • Bentonville, AR, Zoning Code

      Updated March 2018
      This regulation belongs to the Accessory Dwelling Units, Content-Neutral Sign Regulation, Downtown Revitalization, and Solar Energy collections.
    • Eugene, OR, Municipal Code

      Updated May 2019
      This 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 2018
      This regulation belongs to the Accessory Dwelling Unit and Short-Term Residential Rentals collections.
    • Rapid City, SD, Code of Ordinances

      Updated December 2019
      These 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 2019
      These regulations belong to the Accessory Dwelling Units, Marijuana-Related Uses, and Scenic View Protection collections.
    • Lincoln, NE, Municipal Code

      Updated January 2020
      These regulations belong to the Accessory Dwelling Units and Wind Energy collections.
    • Fremont, NE, Code of Ordinances

      Updated October 2019
      The 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 2019
      The 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 2018
      These regulations belong to the Accessory Dwelling Units and Form-Based Zoning collections.
    • Ocean Springs, MS, Code of Ordinances

      Updated June 2019
      The 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 2019
      by: City of Knoxville
      These regulations belong to the Accessory Dwelling Units, Downtown Revitalization, Residential Infill Development, and Solar Energy collections.
    • Londonderry, NH, Municipal Codes

      Updated August 2019
      The 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 2019
      The city's land development code permits internal, attached, and detached accessory dwelling units (ADUs) by right in two residential zoning districts.
    • Coconino County, AZ, Zoning Ordinance

      Updated December 2019
      This regulation belongs to the Accessory Dwelling Units and Outdoor Lighting collections.
    • Johnson County, KS, Zoning Regulations

      2016
      The county’s zoning code permits internal, attached, and detached accessory dwelling units by right in rural and residential districts, subject to use-specific standards.
    • Mesa, AZ, Code of Ordinances

      Updated May 2021
      These regulations belong to the Accessory Dwelling Units and Design Review collections.
    • Washington, DC, Zoning Regulations

      Updated December 2019
      This regulation belongs to the Accessory Dwelling Units, Biophilic Planning, and Green Stormwater Infrastructure collections.
    • Walla Walla, WA, Municipal Code

      Updated June 2021
      These regulations belong to the Accessory Dwelling Units, Residential Infill Development, and Zoning Reform and Code Writing collections.
    • Columbia, MO, Code of Ordinances

      2017
      The city code addresses accessory dwelling units, food systems, scenic view protection, residential infill development, and urban livestock.
    • Boise, ID, City Code

      Adopted November 2011
      This regulation belongs to the Accessory Dwelling Units, Food Trucks, Green Building, and Small Wireless Facilities and Wireless Facilities in the ROW collections.
    • Decatur, GA, Code of Ordinances

      Updated December 2020
      These regulations belong to the Accessory Dwelling Units, Tree Preservation and the Urban Forest, Urban Agriculture, and Zoning Reform and Code Writing collections.
    • Hartford, CT, Zoning Regulations

      Updated June 2020
      These regulations belong to the Accessory Dwelling Units, Form-Based Zoning, Tiny Houses and Micro-Apartments, Urban Agriculture, and Zoning Reform and Code Writing collections.
    • Portland, OR, City Code

      Updated June 2022
      This regulation belongs to 16 Research KnowledgeBase collections.
    • San Antonio, TX, Code of Ordinances

      Updated October 2020
      These 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.

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