Data Center. A facility containing one or more large-scale computer systems used for data storage and processing for off-site users. Typical supporting equipment includes backup batteries and power generators, cooling units, fire suppression systems, and enhanced security features.

Day Labor Hall. A business office engaged in procuring employment for others, and/or in procuring employees for employers, on an hourly, daily, or weekly basis, at which prospective employees generally arrive and remain until they obtain a work assignment or decide to depart. Offices and facilities at which prospective employees generally do not assemble or remain to await work assignments are not included in this use.

Demolition. The complete or constructive removal by an applicant of a building on any site.

Density. The number of families, individuals, dwelling units, households, or housing structures per unit of land.

Department or Planning Department. Unless the context clearly indicates otherwise, the Aurora Planning and Development Services Department.

Developer. The legal or beneficial owner or owners of a lot or of any land included in a proposed development, including the holder of an option or contract to purchase or other persons having enforceable proprietary interests in such land.

Development. Any manmade change to improved or unimproved real estate, including but not limited to the construction, reconstruction, conversion, or enlargement of any structure; and any clearing, dredging, grading, paving, excavation, or drilling or mining operation. The term "development" shall also include the subdivision of real property.

Development Application. An application for development approval that does not include any application listed in Table 5.2-1 in the categories of “Plan, Ordinance, and Map Changes,” “Subdivision of Land”, or “Flexibility and Relief Provisions.”

Development Parcel. A tract of platted or unplatted land that does not meet the definition of either an infill development parcel or master planned community.

Direct Effect. As it relates to historic preservation, the result of an alteration to a historic property that directly affects the structure. This may include additions, changes, or demolitions.

Distillery. A facility where distilling, typically of alcoholic liquors, is done.

Donation Collection Bin. A small freestanding standalone receptacle used to collect donated materials from the public.

Dormer. A windowed wall area flanked on both sides by sloping roof areas.

Dormitory, Fraternity, or Sorority House. A building devoted exclusively to living facilities in which each person residing in each living unit shall be a duly registered student in any accredited school, college, or university, the spouse of such student, or a management employee.

Double Frontage Lot. A platted lot where both front and rear property lines face a street (or a designated open space along a street).

Downcast Lighting. On-site illumination that is constructed, located, and aligned in such a manner to restrict the cone of illumination to ground surface areas within the boundaries of the site and to prevent such illumination sources from being visible from abutting properties and public streets.

Drainage Feature. Any natural or artificial watercourse, trench, ditch, swale, or similar depression into which surface water flows.

Drive Lane. A private paved, unenclosed accessway allowing vehicular access either to individual buildings or to parking spaces within parking lots, or to more than one parking space. In the case of single-family attached or multifamily dwellings, drive lane means an accessway shared by the residents as guests of the two or more dwellings.

Drive-Up or Drive-Through Facility. Uses at which an occupant of a vehicle may make use of the service or business without leaving their vehicle and includes drive-by parcel pickup facilities.

Driveway.

Durable. A product that is able to exist for a long time without significant deterioration in quality or value.

Dwelling or Dwelling Unit. A building or portion of a building designed to provide independent living facilities including a full kitchen and bath to an individual, family group, or group home relationship.

Dwelling, Co-housing Development. A residential development that does not meet the definition of a Group Home, that combines individual dwelling and in which individual units may or may not have partial or complete kitchens. The development must include a community building(s) with a community kitchen and dining room intended for communal use on a regular basis, and in which most or all residents generally agree to share in the provision of regular communal services such as cooking meals or providing child care.

Dwelling, Cottage Development. Small, infill project consisting of small single-family detached cottages, each containing no more than 1,000 square feet of gross floor area in which project density is measured by the total square footage of cottage dwelling unit gross floor area instead of the number of dwelling units.

Dwelling, Green Court. A form of development in which three or more single-family attached, single-family detached, or two-family (duplex) dwelling units are organized so that habitable spaces of different dwelling units are arranged in a side-by-side, rather than a stacked configuration, and where the front doors of one or more of the dwelling units do not face a public street or a private street, but instead face a Green Court opens space.

Dwelling, Live/Work. An integrated housing unit and working space, occupied and used by a single household in either a single-family attached dwelling or multifamily dwelling, that has been designed or structurally modified to accommodate joint residential occupancy and work activity, and includes:

Dwelling, Loop Lane. A single-family dwelling located without direct motor vehicle access to a public street, but with indirect vehicle access onto a Loop Lane, and in which the Loop Lane encloses a common open space.

Dwelling, Motor Court. A single-family dwelling located without direct motor vehicle access to a public street, but with indirect motor vehicle access to the public street through a Motor Court.

Dwelling, Multifamily. A building with three or more separate independent housekeeping dwelling units for permanent occupancy, where such units have habitable living spaces arranged in a stacked configuration. This use includes a manor house dwelling, which is a single residential structure containing up to four primary dwelling units designed and articulated to appear as a large single-family detached dwelling. This use does not include hotels, motels, or inns, regardless of the length of stay of customers of such motels, hotels, or inns.

Dwelling, Short-Term Rental. The rental of a dwelling for a period shorter than one month, or the rental of part of a dwelling while the owner or leasehold tenant continues to occupy the dwelling, but multiple bookings for multiple rooms is not allowed.

Dwelling, Single-Family Attached (Townhouse). Three or more dwelling units where each unit is attached to other units by party walls, where habitable spaces of different units are arranged in a side-by-side, rather than a stacked configuration, and where the front door of each dwelling unit faces a public street.

Dwelling, Single-Family Detached. A single dwelling unit in a single building on a single lot of record, not attached to any other buildings other than those accessory to the dwelling, regardless of the size of the dwelling unit. This definition includes a single-family detached dwelling that is located and oriented so that it meets the definition for a Green Court Dwelling, Loop Lane Dwelling, or Motor Court Dwelling, but does not include a detached dwelling located in a Co-housing development or Cottage Development, or a Tiny House. This definition also includes a Manufactured Home meeting the standards of the federal Manufactured Home Construction and Safety Act of 1974.

Dwelling, Tiny House. A single-family dwelling constructed on a frame and capable of being transported on its own wheels but from which the wheels have been removed, that contains less than 400 square feet of gross floor area, and that meets either the National Manufactured Housing Construction and Safety Standards Act of 1974 (42 U.S.C. Sections 5401 et seq.) or the building code.

Dwelling, Two-Family (Duplex). A single building on a single lot, designed for occupancy by two separate dwelling units in a side-by-side or stacked configuration, and not attached to any other buildings other than those accessory to the dwellings. This definition also includes a dwelling unit attached by a party wall to only one other dwelling unit in a side-by-side configuration, with each unit located on its own lot.

Dwelling Unit, Accessory. A secondary and subordinate dwelling unit created within or detached from a single-family residence, but located on the same lot or parcel as a primary residential structure, that provides basic requirements for living, sleeping, cooking, and sanitation.

Dwelling Unit, Detached Accessory. A single, subordinate dwelling unit detached from a primary dwelling structure that is secondary to the primary dwelling and provides basic requirements for independent living, sleeping, eating, cooking, and sanitation. A “detached accessory dwelling unit” is an accessory dwelling unit that does not share any walls with the primary dwelling unit. (Ord. No. 2022-75 § 3, 12-19-2022; Ord. No. 2020-37 § 39, 10-05-2020; Ord. No. 2019-49 § 1, 08-19-2019)