The provisions of this article shall apply in
a Residence AA District.
A building may be erected, altered or used and
a lot or premises may be used for any of the purposes set forth in
this article and for no other:
B.
A regularly organized institution of learning approved
by the State Board of Regents and supported by public funds.
C.
A public library, public art gallery, public museum,
municipal or volunteer firehouse, municipal park for recreation use
or railway passenger station.
D.
Parish house or parochial school.
[Amended 8-12-1980 by L.L. No. 10-1980]
A building may be erected, altered or used and a lot or premises may be used for any of the purposes set forth in this article when authorized by the Board of Zoning and Appeals pursuant to the provisions of Article XXIV and for no other.
A.
In the case of a single-family dwelling, no building
shall exceed 2 1/2 stories, with a maximum height of 30 feet.
[Amended 12-14-1999 by L.L. No. 14-1999]
B.
In the case of a building other than a single-family
dwelling, no building or part thereof shall exceed three stories with
a maximum height of 45 feet, except a church spire or belfry.
[Amended 12-14-1999 by L.L. No. 14-1999; 1-3-2006 by L.L. No. 1-2006]
No dwelling or other building shall be constructed
on a lot containing an area of less than 14,000 square feet.
[Added 1-3-2006 by L.L. No. 1-2006;
amended 8-5-2021 by L.L. No. 16-2021; 8-13-2024 by L.L. No. 5-2024]
A.
No lot shall be established or created for the purpose of constructing a dwelling or other building unless it has a minimum lot width of 100 feet at the required front setback line or meets the average lot width as set forth in Subsection B herein. The minimum lot width shall be the greater of 100 feet or the average lot width, but in no case shall the width of a lot be required to exceed 115 feet. A minimum lot width of 40 feet shall be maintained at all points between the property line at the street and the front setback line.
B.
The minimum
lot width shall be the same as the average lot width of existing lots
within 300 feet on each side of the subject lot within the same blockfront(s)
and district. For lots within 300 feet of an intersection, the blockfront(s)
shall be assumed to continue across the intersection, excluding the
width of the intersection.
(1)
Where
corner lots are located within 300 feet of the subject premises, only
the primary front yard width shall be included in the average lot
width calculation regardless of what street the primary front yard
faces.
(2)
The
widest and narrowest lot widths of lots within 300 feet of the subject
premises shall be excluded from the average lot width calculation
as set forth herein.
(3)
Any
premises used for permitted nonresidential uses shall be excluded
from the average lot width calculation.
(4)
Where
the proposed dwelling or other building will be constructed on a corner
lot, the minimum lot width shall be calculated separately for each
blockfront.
[Amended 12-14-1999 by L.L. No. 14-1999]
The lot coverage shall not exceed 20% of the
lot area.
[Amended 12-14-1999 by L.L. No. 14-1999; 3-11-2003 by L.L. No. 1-2003]
A.
No dwelling shall be erected unless it has a habitable
floor area on the first floor of at least 1,400 square feet.
B.
The gross floor area shall not exceed 31% of the lot
area.
C.
The gross floor area (residential) on a lot shall
not exceed 5,200 square feet.
[Amended 8-5-2021 by L.L. No. 16-2021]
D.
In no case shall the limitations of this section prohibit
a dwelling of less than 3,060 square feet on a lot held in single
and separate ownership as of December 31, 1999, so long as the building
conforms to all other restrictions of this chapter.
A.
There shall be a front yard, the depth of which shall
be not less than 35 feet from the front property line.
B.
On a corner lot, a front yard shall be required on
each street. The front yard on the narrower street frontage shall
be not less than 35 feet in depth, and the other front yard shall
be not less than 30 feet in depth, and, if the street frontages are
equal, a minimum front yard of 35 feet shall be required on each street
front.
C.
The minimum front yard depth for detached dwellings
shall be the same as the average front yard depth of the existing
primary buildings used as dwellings within 300 feet on each side of
the lot on the same side of the street and within the same zoning
district, or 35 feet, whichever is greater. No front yard shall be
required to have a depth greater than 50 feet. On a lot with multiple
street fronts, the average front yard setback shall only apply to
the primary front yard.
[Added 1-3-2006 by L.L. No. 1-2006;
amended 7-10-2012 by L.L. No. 11-2012; 8-5-2021 by L.L. No. 16-2021]
[Amended 12-14-1999 by L.L. No. 14-1999]
A.
On an interior lot, a single-family dwelling shall
have two side yards, one on each side of the main building, the aggregate
width of which shall be not less than 35% of the width of the lot,
but in no case shall any side yard be less than 15 feet in width.
(1)
The foregoing requirements for aggregate side yards
shall not apply to alterations to existing single-family dwellings,
provided that:
(a)
The existing dwelling has either a valid certificate
of occupancy or a valid certificate of existing use effective as of
December 31, 1999; and
(b)
The proposed alteration does not decrease the
width of any existing side yard; and
(c)
The alteration does not include demolition of
more than 40% of the building's perimeter as it existed on December
31, 1999; and
(d)
The maximum height to the ridge does not exceed
30 feet; and
(e)
After alteration, the lot will have two side
yards, one on each side of the main building, each side yard having
a width of at least 15 feet and both side yards together having an
aggregate width of not less than 30% of the width of the lot.
B.
On a corner lot, a single-family dwelling shall have only one side yard. Said yard shall be on the side adjoining the interior lot opposite the front yard having the greater street frontage. Said side yard shall have a minimum width of 15 feet. The two yards fronting on streets shall be considered front yards as provided under § 70-20B. The remaining yard shall be considered the rear yard and shall conform to the provisions of § 70-22.
C.
On an interior lot, a main building other than a single-family
dwelling shall have two side yards, each having a minimum of 25 feet.
D.
On a corner lot, a building other than a single-family dwelling shall have only one side yard. Said yard shall be on the side adjoining the interior lot opposite the front yard having the greater street frontage. Said side yard shall have a minimum width of 25 feet. The remaining yard shall be considered the rear yard and shall conform to the provisions of § 70-22.
E.
Where a garage door(s) faces a side property line,
a setback of 25 feet shall be provided between the side property line
and the closest point of the garage structure.
[Added 1-3-2006 by L.L. No. 1-2006]
F.
An areaway may extend into the required side yard,
provided that, for any areaway projecting closer than four feet to
a side property line, the entire areaway must be protected by a horizontal
grating constructed in conformance with the requirements of the Building
Code.
[Added 1-3-2006 by L.L. No. 1-2006]
[Amended 12-14-1999 by L.L. No. 14-1999]
There shall be a rear yard, the depth of which
shall be not less than 20 feet for all single-family residences. For
all other buildings, the depth of the rear yard shall be not less
than 25 feet.
[Added 3-25-1986 by L.L. No. 3-1986; amended 3-11-2003 by L.L. No. 1-2003]
Parking shall be provided in accordance with the requirements set forth in § 70-103.
[1]
Editor's Note: Former § 70-22.2,
Floor area ratio (FAR), added 2-19-1991 by L.L. No. 5-1991, as amended,
was repealed 12-14-1999 by L.L. No. 14-1999.
[Added 12-14-1999 by L.L. No. 14-1999]
All new construction and alterations shall be
contained within the area defined by the required sky exposure planes.
A.
There shall be a sky exposure plane projecting inward
from each front and side property line at a ratio of one foot vertical
to one foot horizontal.
B.
At no point may a structure be built higher than one
times the horizontal distance from a lot line.
C.
The foregoing requirements for sky exposure plane
shall not apply to alterations to existing single-family dwellings,
provided that:
(1)
The existing dwelling has either a valid certificate
of occupancy or a valid certificate of existing use effective as of
December 31, 1999; and
(2)
The alteration does not include demolition of more
than 40% of the building's perimeter as it existed on December 31,
1999; and
(3)
The maximum height to the ridge does not exceed 30
feet.
[Added 12-14-1999 by L.L. No. 14-1999; amended 1-3-2006 by L.L. No. 1-2006]
For construction of new dwellings or alterations
to existing structures, the floor elevation of new attached garages
may be located no lower than a 3% slope below the adjacent curb elevation.
[Added 12-14-1999 by L.L. No. 14-1999]
[Added 12-14-1999 by L.L. No. 14-1999]
For all new construction, alterations or landscaping
changes, a front yard may not be covered more than 30% by any impervious
material or other type of paving. Water flow from paved areas must
be controlled to alleviate excessive runoff onto adjacent properties.
[Added 12-14-1999 by L.L. No. 14-1999]
The maximum height to the uppermost eave shall
be 22 feet, as measured from the preexisting average grade at the
perimeter of the building.
[Added 12-14-1999 by L.L. No. 14-1999]
Site lighting must comply with the requirements of § 70-217, Light fixtures.
