The lot size requirements and setbacks listed in §§ 360-126, 360-127, and 360-128 are to be used in association with the zoning district uses set forth in Article XV, Permissible Uses.
A. 
Lot size requirements. Lot size requirements do not vary by district, except in special cases, but are related to land use.
B. 
Setback requirements. Setback requirements do not vary by district, but are related to highway and street types and to other features, including lot lines, rights-of-way, railroads, stream channels, floodplains and steep slopes.
[Amended 7-11-2019 by Bill No. 1-19, effective 8-25-2019]
Standard lot size, setback, and height requirements shall be as follows. (See § 360-127 for front yard setbacks.)
Table 2
Lot Size, Setback and Height Requirements
Use
Minimum Lot Area
(square feet)
Minimum Lot Width
(feet)
Minimum Side Setbackc
(feet)
Minimum Rear Setback a
(feet)
Maximum Height
(feet)
PRINCIPAL STRUCTURES
Single-family dwellings and mobile homes
With public water and sewerage
6,000
50
8
25
30
With public sewerage only
10,000
75
8
25
30
With public water only
15,000
100
8
25
30
With well and septic system
b
b
8
25
30
Mobile home parks
80,000
N/A
50
50
N/A
Mobile home units
4,000/unit
N/A
N/A
N/A
N/A
Multifamily housing, duplexes and townhouses
Two families
3,000/unit
25/unit
8
25
30
Three or more families
2,000/unit
150
8d
25d
40
Townhouses
2,000/unit
20/unit
8d
25d
30
Commercial*
Major commercial
12,000
100
30d
30d
40e
Neighborhood commercial
6,000
50
30d
30d
40e
Commercial uses in the GU District
10,000
75
30d
30d
40e
Industrial*
40,000
200
30d
30d
N/Ae
Institutional
6,000
50
30d
30d
50e
ACCESSORY STRUCTURES
Residential
—
—
8
8
30e
Nonresidential*
—
—
30d
30d
N/Ae
NOTES:
a
All setback distances, except height, are measured from the side or rear property lines.
b
When wells and/or septic systems are utilized, the lot size and width will be set according to the County Environmental Health Department Standards.
c
Side setbacks are only applicable on the end units of a set of townhouses.
d
Or fire separation distance as defined by the Building Code of Allegany County.
e
Height and area limitations are further controlled by the Building Code of Allegany County.
*
For commercial and industrial use, see also § 360-128 for additional requirements.
A. 
All structures regardless of use or district shall have a minimum distance from highways, roads and streets as follows:
Table 3
Setback Requirements for Structures
Principal Arterial
(feet)
Major Arterials
(feet)
Minor Arterials
(feet)
All Other Roads and Streets in Urban Districts
(feet)
All Other Roads and Streets in Nonurban Districts
(feet)
50 from right-of-way
50 from right-of-way or 75 from center line
40 from right-of-way or 65 from center line
25 from right-of-way or 50 from center line
40 from right-of-way or 65 from center line
(1) 
For all roads, the greater of the two distances applies.
(2) 
Minimum setback distance from alleys is 15 feet from the right-of-way or 20 feet from the center line for all structures, including accessory structures. This supersedes the side and rear setback requirements shown in § 360-126.
(3) 
See § 360-142 for road classifications.
B. 
Minimum distance from railroad tracks (excluding sidings). Principal structures must be set back 50 feet from the center line of tracks or 25 feet from the right-of-way, whichever is greater.
C. 
Minimum distance from airport runways and landing strips (public or private). All structures and utility lines, poles or towers must be:
(1) 
One thousand feet from the end markers of the runway or landing strip.
(2) 
Two hundred feet from the center line of the runway or landing strip.
D. 
Billboards are to be set back at least 50% of the distance noted for other structures.
[Amended 7-11-2019 by Bill No. 1-19, effective 8-25-2019]
E. 
Setbacks for corner lots of record are subject to § 360-63B(3).
F. 
See § 360-142 for an index of arterial roads and streets.