Accessory buildings, structures and uses customarily
incidental to and commonly associated with a use allowed as a permitted
or conditional use within a particular zoning district may be allowed
to occupy the same zoning lot as the permitted or conditional use.
To qualify as an accessory building, structure or use, the building,
structure or use shall be operated and maintained under the same ownership
and on the same zoning lot as the principal building, structure or
use, shall not include structures or structural features inconsistent
with the principal building, structure or use, and shall not involve
the conduct of any business, profession, or trade unless expressly
authorized hereinafter.
Accessory buildings, structures, and uses are
permitted in any zoning district in connection with a use which is
permitted within such district. An accessory building, structure,
or use is one which:
A.
Is customarily incidental and subordinate to and serves
a principal use established on the same zoning lot;
B.
Is subordinate in area, floor area, intensity, extent,
and purpose to the principal building, structure, or use;
C.
Contributes to the comfort, convenience, or necessity
of occupants or users of the principal building, structure or use;
D.
Is located on the same zoning lot as the principal
building, structure or use served; and
E.
Shall not be established on any lot prior to the establishment
of the principal building, structure or use to which it is accessory.
A.
All detached accessory structures shall:
(1)
Not be located less than five feet from an interior
side lot line and a rear lot line when located in a rear yard.
(2)
Not cover more than 15% of the rear yard.
(3)
Comply with the height limitations of the zoning district
in which they are located, provided that in residential districts
no accessory building or structure shall exceed 15 feet in height,
provided that the accessory building or structure shall not exceed
the height of the principal building or structure.
(4)
Require review by the Building Board prior to issuance
of a building permit except as noted which can be done by administrative
approval.
B.
Examples of typical accessory buildings, structures,
and uses are, but are not limited to, the following. Other uses deemed
similar in nature, as determined by the Building Board, may be permitted.
[Amended 8-11-2020; 11-9-2021]
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Air-conditioning equipment*
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Arbors or trellises in rear yard areas*
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Awnings or canopies (not more than 3 feet into
yard)
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Balconies (not more than 5 feet into yard)
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Barbecuing equipment, permanent
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Barbecuing equipment (replacements, permanent) and firepits
(replacements, permanent) of similar size*
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Bay windows (not more than 3 feet into yard)
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Boathouses/boat shelters
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Carports, detached
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Chimneys, attached (not more than 2 feet into
yard)
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Doghouses in rear yard areas*
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Dog runs
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Fences, nonresidential
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Fences, single-family residential
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Flagpoles*
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Fountains
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Garages, detached [no more than 1 three-car
detached garage not exceeding 750 square feet; the maximum number
of car stalls on the property (including both attached and detached)
cannot exceed 3]
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Greenhouses, noncommercial
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Open off-street parking (commercial)
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Ornamental light standards*
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Playground equipment (basketball hoops, backstops
and supporting posts are allowed in all front and rear yards)
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Playhouses and gazebos
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Sculptures
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Sheds and storage structures for garden equipment
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Stairways, exterior
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Steps and ramps needed for handicapped accessibility
(may not be more than 1 foot from a lot line and 4 feet above the
established grade and which are necessary for access to a structure
or from a public right-of-way)
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Swimming pools**
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Temporary tents (may not be erected for more
than 30 consecutive days)*
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Tennis courts, private
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Terraces, patios, decks and outdoor fireplaces
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NOTES:
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*Requires administrative approval.
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**An outdoor swimming pool may be constructed
if it is located in the rear yard, including rear yards which abut
upon Lake Mendota, provided that it shall not exceed two feet in height
above the finished grade of a required rear yard and that such swimming
pool or surfaced terraces, sundecks or walks accessory to such swimming
pool shall not be located within five feet of any lot line [and, in
the case of a rear yard which abuts upon Lake Mendota, not located
within the shoreland setback area set forth in § NR 115.05(1)(b)1
of the Wisconsin Administrative Code, as may be amended from time
to time]. No covers or enclosures of a swimming pool, temporary or
otherwise, exceeding the height limit of two feet above grade level
shall be permitted, unless such enclosure is a part of the principal
residence, in which event it shall be subject to all of the restrictions
and requirements relating to such building.
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