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    Baseline ADU Proposal For Community Discussion - Updated 3.15.23

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    WVXU News
    An Accessory Dwelling Unit (ADU) is a self-contained dwelling on the same lot as a single-family home that has its own kitchen, bathroom, living, and sleeping areas. ADUs are permitted in single-family zoning districts and their use is secondary to the primary dwelling. Regulations address allowable ADU types, sizes, lot coverage, setbacks, height limits, design considerations, parking, rentals, occupancy, utilities, building codes, and administrative review process.

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    Baseline ADU Proposal For Community Discussion - Updated 3.15.23

    Uploaded by

    WVXU News
    9K views3 pages
    An Accessory Dwelling Unit (ADU) is a self-contained dwelling on the same lot as a single-family home that has its own kitchen, bathroom, living, and sleeping areas. ADUs are permitted in single-family zoning districts and their use is secondary to the primary dwelling. Regulations address allowable ADU types, sizes, lot coverage, setbacks, height limits, design considerations, parking, rentals, occupancy, utilities, building codes, and administrative review process.

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    Baseline ADU Proposal for Community Discussion - Updated 3.15.23

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    Baseline ADU Proposal for Community Discussion - Updated 3.15.23

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    An Accessory Dwelling Unit (ADU) is a self-contained dwelling on the same lot as a single-family home that has its own kitchen, bathroom, living, and sleeping areas. ADUs are permitted in single-family zoning districts and their use is secondary to the primary dwelling. Regulations address allowable ADU types, sizes, lot coverage, setbacks, height limits, design considerations, parking, rentals, occupancy, utilities, building codes, and administrative review process.

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    9K views3 pages

    Baseline ADU Proposal For Community Discussion - Updated 3.15.23

    Uploaded by

    WVXU News
    An Accessory Dwelling Unit (ADU) is a self-contained dwelling on the same lot as a single-family home that has its own kitchen, bathroom, living, and sleeping areas. ADUs are permitted in single-family zoning districts and their use is secondary to the primary dwelling. Regulations address allowable ADU types, sizes, lot coverage, setbacks, height limits, design considerations, parking, rentals, occupancy, utilities, building codes, and administrative review process.

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    of 3

    An Accessory Dwelling Unit (ADU) is a self-contained dwelling unit designed for

    occupancy by one family for living and sleeping purposes that provides complete
    independent living facilities including its own entrance, kitchen, bathroom, and
    Definition
    sleeping area; that is located on the same lot as a larger single family dwelling that
    serves as the principal use of the lot; and whose use is subordinate and incidental to the
    larger single family dwelling.
    Zoning Districts ADUs are permitted in all zoning districts that permit single-family dwellings.
    ADUs per Lot No more than two accessory structures of any type are permitted on a single lot.
    Minimum Lot ADUs may be created on any lot that meets the minimum lot size required for single-
    Size family dwellings in the applicable zone.
    All detached ADUs must be of permanent construction, designed to applicable building
    Types of code standards, with permanent utility hookups. Mobile tiny homes or recreational
    Structures vehicles are not permitted as ADUs. A manufactured or modular dwelling may be used
    if it meets applicable state and local codes.
    An ADU may be any size, provided the proposed unit’s total square footage is less than
    ADU Size
    the primary dwelling’s square footage and other requirements are satisfied.
    An ADU (detached, attached, or built by expanding the footprint of an existing
    dwelling) on a lot of 4,000 square feet or larger shall not occupy more than 15% of the
    total lot area. For single family lots of less than 4,000 square feet, the combined lot
    Lot Coverage
    coverage of the primary dwelling and the accessory dwelling shall not exceed 60%.
    ADUs built within the footprint of existing, legal accessory structures without
    expansion are considered not to have changed existing lot coverage.
    No setback shall be required for an existing permitted structure or a structure
    constructed in the same location and with the same footprint dimensions as an existing
    structure and converted to an ADU or to a portion of an ADU.

    The side and rear yard setbacks shall comply with the minimum side yard setback in the
    zoning district for an ADU that is not converted from an existing structure, unless a
    Setbacks
    variance is sought and granted.

    If the ADU is not part of the primary dwelling or attached to it, there should be a
    minimum distance of 10 ft. between the primary dwelling and ADU.

    If not part of the primary dwelling, the ADU shall not be located in the front yard.
    A detached ADU should not exceed 25 feet in height.
    Height Limit
    An addition to a primary single family dwelling must comply with all height
    requirements for a single family dwelling in the applicable zoning district.
    Regulations governing the location of entrances into primary dwellings do not apply to
    Design
    ADUs. All unit entrance requirements in building code will need to be followed,
    Considerations
    including that you cannot pass through the main unit to get to an ADU.
    Parking is not required in association with the construction of the ADU. If the
    Parking construction of the ADU necessitates the removal of an existing off-street parking
    space, it must be replaced on-site if required by the underlying zoning.
    Short Term
    Short term rentals may be operated in an ADU.
    Rentals
    Occupancy Limits No more than one family can live in an ADU.
    Owner The property owner or a responsible person is required to live on the property.
    1
    Occupancy
    Separate Sale of The regulations should not dictate whether ADUs are permitted to be sold separate
    ADUs from the primary dwelling as a condominium or through the subdivision process.
    New or separate water and sewer lines directly between the ADU and the trunk lines
    Utility
    are not required. Applicants may choose to use a shared water meter for the primary
    Connections
    dwelling and the ADU or have a separate water meter installed for each.
    An ADU shall comply with the statewide building code and all other applicable local,
    state, and federal regulations.
    Building Code
    Compliance
    Permitted, nonconforming structure should be allowed to change their use from a non-
    habitable use to a habitable use without a conditional use permit or special exception.
    ADUs are permitted by-right and subject to an administrative review prior to
    Review
    permitting.

    2
    Reference Materials:

    AARP Government Affairs. (2021, January). ADU Model State Act and Local Ordinance. AARP.
    https://www.aarp.org/livable-communities/housing/info-2021/adu-model-state-act-and-local-
    ordinance.html

    Elliott, D. (2021, July 7). The Evolving World of ADU Regulations [Webinar]. Smart Growth
    Online. https://smartgrowth.org/the-evolving-world-of-adu-regulations/

    Florida Housing Coalition. (2019, August). Accessory Dwelling Unit Guidebook. Florida Housing
    Finance Corporation. https://www.flhousing.org/wp-content/uploads/2019/08/ADU-Guidebook.pdf

    Grant, J, Guzman, S, & Harrell R. (2019). Accessory Dwelling Units: A Step by Step Guide to
    Design and Development. AARP.
    https://www.aarp.org/livable-communities/housing/info-2019/accessory-dwelling-units-adus.html

    Office of Policy Development and Research. (2008, June). Accessory Dwelling Units: Case Study.
    U.S. Department of Housing and Urban Development.
    https://www.huduser.gov/portal/publications/adu.pdf

    Spevak, E. & Stanton, M. (2019). The ABCs of ADUs: A Guide to Accessory Dwelling Units and
    How They Expand Housing Options for People of All Ages. AARP. https://www.aarp.org/livable-
    communities/housing/info-2019/accessory-dwelling-units-adus.html

    Urban Land Institute Chicago. (2021). Unlocking ADUs: Policy Research and Convening Lessons
    for Chicago. Urban Land Institute.
    https://knowledge.uli.org/-/media/files/research-reports/2021/unlocking-adus---policy-research-and-
    convening-lessons-for-chicago.pdf?rev=9a3902d3f469461d874bb511a77ba2ee

    Municipal Codes from:


     Austin, TX
     Denver, CO
     Grand Rapids, MI
     Greenfield, IN
     Minneapolis, MN
     Pittsburgh, PA

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