[Added 4-16-2013 by Ord. No. A-451]
A. Zero-lot-line
construction is permitted in the R-2 and R-3 Zoning Districts under
the following conditions:
(1) The developer shall provide with the building permit application
a signed agreement in recordable form, between the owners of record
specifying maintenance standards for the common walls, maintenance
and replacement standards for all exterior surfaces of the building,
to maintain a neat and harmonious appearance over time, maintenance
standards for any common features, and restrictions against construction
of detached single-unit residences on any of the affected lots in
the event either or all sides of the zero-lot-line constructed dwelling
are destroyed. Such written agreement shall provide that it may not
be terminated, amended or otherwise altered without the approval of
the Common Council. Said agreement shall be subject to Zoning Administrator
approval and be recorded by the developer against all affected properties
and continually maintained by the property owners.
[Amended 3-21-2023 by Ord. No. A-561]
(2) Existing structures. Existing two-unit buildings built prior to the date of this section adoption may be converted to zero-lot-line structures following the establishment of a written agreement, in recordable form and obtaining a Certified Survey Map as outlined in §
340-66.1. Such written agreement shall provide that it may not be terminated, amended or otherwise altered without the approval of the Common Council. Said agreement shall be subject to Zoning Administrator approval and be recorded by the developer against all affected properties and continually maintained by the property owners. The separate sewer and water lateral requirements may be waived if protective covenants, approved by the Common Council, addressing the maintenance and repair of shared or common sewer laterals are recorded with the Certified Survey Map to establish a written agreement between owners on of use and maintenance of shared or common laterals to the sewer main.
[Added 3-21-2023 by Ord. No. A-561]
A. Definitions.
(1)
Accessory dwelling unit (ADU). An attached or a detached residential
dwelling unit that provides complete independent living facilities
for one or more persons and is located on a lot with a proposed or
existing principal structure. The unit shall contain permanent provisions
for:
(f)
Separate exterior entrance.
(2)
Interior ADU. A separate dwelling unit located entirely within the principal structure that also includes permanent provisions per §
340-66.2A(1)(a) through
(f), typically an attic or basement suite.
B. Eligibility. No more than one accessory dwelling unit shall be permitted
per lot within all residential districts, excluding R-3, pursuant
to the following requirements:
(1)
Attached or interior ADUs. Attached or interior ADUs which do
not exceed 800 square feet or 50% of an existing principal structure,
whichever is greater, and have no more than two bedrooms.
(2)
Detached ADUs. Detached ADUs which do not exceed the principal
structure size or 800 square feet, whichever is smaller, and have
no more than two bedrooms.
C. Supplemental regulations. All ADUs shall comply with §
340-11, Accessory Buildings and Uses. All ADUs shall also comply with the following standards:
(1)
The ADU shall have a separate entrance from the principal structure.
(2)
The entryway to the ADU shall be connected to a street frontage
with a paved walkway.
(3)
An ADU shall be considered part of the principal structure on
the same lot for the purpose of the bulk building requirements of
the district. Any secondary structure connected to the principal structure
is considered attached.
(4)
Parking shall meet the district's principal structure parking
requirement plus one additional parking space for ADU. Existing parking
for the principal structure must be maintained or replaced on-site.
(5)
Separate water and sewer laterals are required for detached
ADUs.
[Added 3-21-2023 by Ord. No. A-561]
A. Definition. "Detached Condominium" (also commonly known as "site
condominiums," "bungalow courts," or "cottage clusters"). A condominium
project characterized by single detached dwelling units which are
encumbered by a declaration of condominium covenants or is limited
by a condominium form of ownership. The detached dwelling units shall
be arranged around a shared internal courtyard which is used in place
of a private rear yard. The condominium unit shall be considered a
lot under this section.
B. Eligibility. Not more than one single-family dwelling unit and permitted
accessory structure shall be proposed or constructed on each condominium
lot within the larger condominium complex. Detached condominiums are
not permitted in R-1 districts.
C. Supplemental regulations. All detached condominium projects shall comply with § 300, Article
IX Condominiums. All detached condominiums shall also comply with the following standards:
(1)
Each detached condominium shall have an entrance to the communal
courtyard and/or public street accessible via a paved walkway.
(2)
A separate water and sewer lateral and utility services are
required for each individual unit.
(3)
Bulk regulations. See Table 340-66.3 (below).
Table 340-66.3 Bulk Regulations
|
---|
Type of Standard
|
Detached Condominium Site Requirements
|
---|
R-2 District
|
R-3 District
|
---|
Minimum Total Site Area (Per Unit)
|
5,000 square feet
|
4,500 square feet
|
Minimum Building Setbacks and Separation
|
Front street/flanking street building setback
|
20 feet
|
20 feet
|
Side building separation
|
16 feet
|
12 feet
|
Rear building separation
|
60 feet
|
50 feet
|
Maximum building height
|
35 feet
|
45 feet
|
Maximum percent of total site building coverage
|
35%
|
40%
|
Max impervious surface coverage
|
70%
|
70%
|