Dwelling,
one-family. A detached building designed exclusively for
occupancy by one (1) family.( See Section
1, Definitions)
Family:
(a) An individual,
or two (2) or more persons related by blood, marriage or adoption,
or under approved foster care; or
(b) A group
of not more than four (4) persons (including servants) whether or
not related by blood or marriage living together and sharing living
areas in a dwelling unit; or
(c) A group
of up to eight (8) mentally ill, mentally retarded or developmentally
disabled persons who are residing with one (1) or more resident counselor(s)
or other staff person(s) in a facility which is licensed by the Department
of Mental Health, Mental Retardation and Substance Abuse Services
of the Commonwealth of Virginia. For the purposes of this ordinance,
mental illness and developmental disability shall not include current
illegal use of or addiction to a controlled substance as defined in
section 54.1-3401 of the Code of Virginia or its successor.(Ord. No.
90-23, 7-11-90) (See Section
1, Definitions)
Lot Coverage:
For the purpose of securing open space for the exclusive use of pedestrians,
except by site plan approval, no building or structure in "R,"
"RA," and "C-1-O" Districts, including accessory
buildings and all areas for parking, driveways, maneuver and loading
space, shall cover more than fifty-six (56) percent of the area of
the lot, except as may be specified in the various district classifications.
(See Section
32C)
Height Limit:
No building nor the enlargement or any building shall be hereafter
erected to exceed thirty-five (35) feet.(See Section
5)
Building
height: In all R districts, not including RA districts,
the vertical distance measured from the adjoining curb grade at the
front of the lot at a point midway between the two (2) lot lines to
the highest point of the roof surface if a flat roof; to the deck
line of a mansard roof and to the mean height level between eaves
and ridge for a gable, hip or gambrel roof. (See Section
1, Definitions)
Setbacks:
No structure shall be located closer to the centerline of any street
or officially designated street right-of-way than fifty (50) percent
of the height of the building. For the purpose of determining setbacks,
a limited access highway shall be considered as an abutting lot and
not as a street or street right-of-way. Structures shall be set back
from streets no less than as follows: (8-18-79)
a. For all
"C" and "M" Districts excepting "C-1,"
"C-1-O," "C-O," "C-H" and "C-S-C":
Forty (40) feet from said centerline.
b. For all
"RA4.8" and "C-O" Districts: Fifty (50) feet from
said centerline.
c. For all
residential structures and all structures in all other districts:
Fifty (50) feet from said centerline but in no case less than twenty-five
(25) feet from any street right-of-way line. (See Section
32)
Side and
Rear Yards: No structure shall be located closer to side
or rear lot lines than as follows:
a. For all
"RA4.8," "C," and "M" Districts, not
including"C-1-O": No side or rear yard shall be required
except that nowall either on the side or rear of a lot abutting an
"R" or "RA" District or containing openings or
windows, whether or not they can be opened, shall be located closer
to side or rear lot lines than eight (8) feet for the first ten (10)
feet of building height,, plus two (2) additional feet for each ten
(10) additional feet of building height, or fraction thereof.
b. For all
single-family dwellings and their accessory structures: Ten (10) feet,
provided that one (1) side yard may be reduced to eight (8) feet.
The aggregate width of both side yards on any lot shall not be less
than thirty (30) percent of the required width of the lot, provided
that on interior lots no structure shall be located closer than twenty-five
(25) feet from a rear lot line.
c. For all
nonresidential main buildings in "R" and "RA"
Districts: Double the side and rear yard requirements for the district
in which said structures are located.
d. For all
other residential buildings and for structures in all other districts:
Ten (10) feet plus one (1) additional foot for each two and one-half
(21/2) feet, or fraction thereof, of building height above twenty-five
(25) feet, provided that on interior lots no structure shall be located
closer than twenty-five (25) feet from a rear lot line.
e. For accessory
buildings in "R" Districts: If said accessory building is
located fifteen (15) feet of the rear of all main buildings: (a) On
interior lots, one (1) foot from side and rear lot lines, and (b)
On corner lots, one (1) foot from the side lot line. This does not
include air conditioning units.
f. For two
(2) story accessory buildings in "R" Districts: In no case
shall a two-story accessory building occupy any part of a required
rear yard nor be located nearer than ten (10) feet to any lot line.
g. For the
purpose of side yard regulations, a semidetached dwelling shall be
considered as one (1) building occupying one (1) lot. (11-20-76).
(See Section
32)