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    • Emeryville, CA, Municipal Code

      Updated December 2019
      The city’s codified ordinances offer development bonuses and reduced parking requirements for affordable housing.

    • Jackson, WY, Land Development Regulations

      Updated August 2016
      The city’s unified development code includes housing requirements for local employers.

    • Alexandria, VA, Code of Ordinances

      Updated December 2019
      The city’s codified ordinances establish an affordable housing fund and other affordable housing regulations.

    • Detroit, MI, Code of Ordinances

      Updated December 2019
      The city’s codified ordinances outline an affordable housing program in Chapter 22.

    • Nashville-Davidson County, TN, Code of Ordinances

      Updated March 2019
      This regulation belongs to the Affordable Housing Programs, Environmentally Sensitive Areas, Food Systems, Food Trucks, Housing Supply Planning, and Short-Term Residential Rentals collections.

    • Washington, DC, Code of Ordinances

      Updated July 2025
      This regulation belongs to the Affordable Housing Programs, Food Systems, Food Trucks, Historic Preservation, Housing Supply Planning, and Urban Agriculture collections.

    • Washington, D.C., Zoning Code

      2016
      The district's zoning code addresses inclusionary housing.

    • State College, PA, Municipal Code

      2018
      The borough's zoning code addresses inclusionary housing. An affordability provision of 10 percent applies to all development that creates six or more residential units. Units must remain affordable for 99 years.

    • Houston, TX, Code of Ordinances

      Updated May 2024
      This regulation belongs to the Brownfields Redevelopment, Climate Change, Green Building, Housing Supply Planning, and Zoning Reform and Code Writing collections.

    • Buffalo, NY, Unified Development Ordinance

      Adopted December 2016
      This regulation belongs to the Form-Based Zoning, Green Stormwater Infrastructure, Housing Supply Planning, Rethinking Off-Street Parking Requirements, and Zoning Reform and Code Writing collections.

    • Walnut Creek, CA, Municipal Code

      Updated September 4, 2018
      The city's zoning code addresses inclusionary housing in a 2004 ordinance updated in 2018.

    • Brevard County, FL, Code of Ordinances

      Updated February 2020
      These regulations belong to the Affordable Housing Programs, Housing Supply Planning, Inclusionary Housing, and Tiny Houses and Micro-Apartments collections.

    • Durham, NC, Unified Development Ordinance

      September 2018
      The city-county's unified development ordinance offers incentives for voluntary provision of affordable housing.

    • Lewisville, NC, Unified Development Ordinance

      Updated October 8, 2018
      The town offers incentives for the voluntary provision of affordable housing in its unified development ordinance.

    • Tarrytown, NY, Code of Ordinances

      Updated September 17, 2018
      The village's zoning code addresses inclusionary housing.

    • Narragansett, RI, Code of Ordinances

      Updated May 9, 2018
      The town's zoning code addresses inclusionary housing.

    • Baltimore, MD, City Code

      Updated October 2021
      These regulations belong to the Complete Streets, Home Occupations, Housing Supply Planning, Inclusionary Housing, Rethinking Off-Street Parking Requirements, Social Equity, Transit-Oriented Development, Urban Agriculture, and Zoning Reform and Code Writing collections.

    • Champaign, IL, Code of Ordinances

      Updated August 2021
      These regulations belong to the Food Systems, Group Housing, Housing Supply Planning, Rethinking Off-Street Parking Requirements, and Urban Livestock collections.

    • Pasadena, CA, Code of Ordinances

      Updated September 13, 2018
      This regulation belongs to the Housing Supply Planning, Inclusionary Housing, and Transit-Oriented Development collections.

    • Denver, CO, Code of Ordinances

      Updated August 2022
      This regulation belongs to the Affordable Housing Programs, Biophilic Planning, Climate Change, Housing Supply Planning, Inclusionary Housing, Marijuana-Related Uses, Scenic View Protection, Short-Term Residential Rentals, and Urban Livestock collections.

    • Charleston, SC, Code of Ordinances

      Updated March 2019
      This regulation belongs to the Active Transportation, Affordable Housing Programs, Green Stormwater Infrastructure, Historic Preservation, Housing Supply Planning, and Short-Term Residential Rentals collections.

    • Cambridge, MA, Zoning Ordinance

      Updated August 2017
      This regulation belongs to the Active Transportation, Housing Supply Planning, Inclusionary Housing, and Innovation Districts collections.

    • Newberg, OR, Municipal Code

      Updated September 2020
      This regulation belongs to the Affordable Housing Programs, Grayfields Reuse and Redevelopment, Housing Supply Planning, and Inclusionary Housing collections.

    • Memphis and Shelby County, TN, International Residential Code With Local Amendments

      November 2021
      This regulation amends the building code to enable missing middle housing in Memphis and Shelby County, Tennessee.

    • Lexington-Fayette County, KY, Urban County Government Zoning Code

      December 2023
      Lexington-Fayette County, Kentucky, updated their zoning code for their commercial center zone to increase the supply and mixture of housing types.

    • Claremore, OK, Unified Development Code

      December 2021
      Claremore, Oklahoma, adopted a Uniformed Development Code (UDC) to streamline planning efforts and the housing development process.

    • Charlotte, NC, Unified Development Ordinance

      Updated June 2024
      This regulation belongs to the Active Transportation, Food Trucks, Group Housing, Hazard Mitigation, Housing Supply Planning, Transit-Oriented Development, Tree Preservation and the Urban Forest, and Zoning Reform and Code Writing collections.

    • Norman, OK, Municipal Code

      Amended February 2023
      This regulation passed by the City of Norman changes the "minimum requirements" to "minimum recommendations" for off street parking.

    • South Bend, IN, Zoning Ordinance

      Updated September 2021
      The city's zoning code, adopted in 2019, is a citywide form-based code. It requires no off-street parking spaces for any land use, permits missing middle housing types, and generally encourages a pedestrian-friendly mixed-use environment.

    • 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.

    • Amherst, MA, Zoning Bylaw

      Updated June 2022
      This town’s zoning bylaws permits contained, attached, and detached accessory dwelling units in certain residential districts.

    • 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.

    • 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.

    • Lincoln, NE, Municipal Code

      Updated January 2020
      These regulations belong to the Accessory Dwelling Units, Housing Supply Planning, and Wind Energy collections.

    • Beaufort, SC, The Beaufort Code

      Updated July 2018
      These regulations belong to the Accessory Dwelling Units, Form-Based Zoning, and Housing Supply Planning collections.

    • Rapid City, SD, Code of Ordinances

      Updated December 2019
      These regulations belong to the Accessory Dwelling Units, Housing Supply Planning, Small Wireless Facilities and Wireless Facilities in the ROW, and Wind Energy collections.

    • Bloomington, IN, Municipal Code

      Updated October 2019
      This regulation belongs to the Accessory Dwelling Units, Green Building, and Housing Supply Planning collections.

    • Seattle, WA, Municipal Code

      Updated May 2026
      This regulation belongs to 22 different Research KnowledgeBase collections, ranging from Accessory Dwelling Units to Youth in Planning.

    • Santa Fe, NM, City Code

      Updated October 2019
      This regulation belongs to the Accessory Dwelling Units, Green Building, Historic Preservation, Housing Supply Planning, Short-Term Residential Rentals, and Wildland-Urban Interface collections.

    • Santa Cruz, CA, Municipal Code

      Updated September 2019
      This collection belongs to the Accessory Dwelling Units, Green Building, Housing Supply Planning, and Inclusionary Housing collections.

    • Summit County, CO, Land Use and Development Code

      2017
      These regulations belong to the Accessory Dwelling Units, Food Systems, Housing Supply Planning, Urban Livestock, and Wildland-Urban Interface collections.

    • Sandpoint, ID, City Code

      Updated December 2018
      This regulation belongs to the Accessory Dwelling Unit, Housing Supply Planning, and Short-Term Residential Rentals collections.

    • 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.

    • 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

    • Washington, DC, Zoning Regulations

      Updated December 2019
      This regulation belongs to the Accessory Dwelling Units, Biophilic Planning, Green Stormwater Infrastructure, and Housing Supply Planning 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.

    • 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.

    • 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
    Showing 1 - 50 of 120 Next >