It is the intent of this article to place areas of the Town in four general use districts, namely residence districts, business districts, laboratory and office districts and industry districts, and then to divide each of these districts into more particular use districts.
[Amended 7-20-1982 by L.L. No. 8-1982; 3-17-1987 by L.L. No. 5-1987; 11-4-1987 by L.L. No. 32-1987; 11-15-1988 by L.L. No. 42-1988; 9-19-1989 by L.L. No. 19-1989; 10-17-1989 by L.L. No. 21-1989; 9-18-1990 by L.L. No. 17-1990; 2-3-2011 by L.L. No. 1-2011]
The Town of Yorktown is hereby divided into the following classes of districts:
A. 
General district, residence.
(1) 
R1-200 One-Family Residential Districts.
(2) 
R1-160 One-Family Residential Districts.
(3) 
R1-80 One-Family Residential Districts.
(4) 
R1-40 One-Family Residential Districts.
(5) 
R1-20 One-Family Residential Districts.
(6) 
R1-10 One-Family Residential Districts.
(7) 
R-2 Two-Family Residential Districts.
(8) 
R-3 Multifamily Residential Districts.
(9) 
RSP-1 Age-Oriented Community.
(10) 
RSP-2 Senior Citizens District.
(11) 
RSP-3 Age-Oriented Geriatric Community.
B. 
General district, business.
(1) 
CRC Commercial Regional Center District (special district).
(2) 
C-1 Commercial Shopping Center Districts (special district).
(3) 
C-2 Commercial Hamlet Center Districts.
(4) 
C-2R Commercial Hamlet Center District.
(5) 
CR Commercial Recreation Districts (special district).
(6) 
C-3 Commercial Limited Districts.
(7) 
C-4 Commercial General Districts.
(8) 
CC Country Commercial Districts (special district).
C. 
General district, laboratory and office.
(1) 
OB Research Laboratory and Office District (special district).
(2) 
O Office District.
D. 
General district, industry.
(1) 
I-1 Light Industrial Park Districts (special districts).
(2) 
I-2 Planned Light Industrial Districts (special districts).
E. 
General district, IN, interchange.
(1) 
IN Planned Interchange Districts.
Said districts are bounded and defined as shown on a map entitled the "Zoning Map of the Town of Yorktown, New York," adopted August 19, 1958, and amended to August 31, 1965, and certified by the Town Clerk, which map is located at the end of this text and which, with all explanatory matter thereon, is hereby made a part of this chapter.[1]
[1]
Editor's Note: Said map is on file in the Town offices and available for inspection during regular business hours.
Where uncertainty exists as to the locations of any boundaries shown on the Zoning Map, the following rules shall apply:
A. 
District boundary lines are intended to follow streets, rights-of-way, watercourses or lot lines or be parallel or perpendicular thereto, unless such district boundary lines are fixed by dimensions as shown on the Zoning Map.
B. 
Where district boundaries are indicated as following approximately streets, rights-of-way or watercourses, the center lines thereof shall be construed to be such boundaries.
C. 
Where district boundaries are so indicated that they approximately follow the edge of lakes, ponds, reservoirs or other bodies of water, the mean high-water lines thereof shall be construed to be the district boundaries, except that the regulations of the most restrictive district on the edge of such a body of water shall apply to the area within the mean high-water line thereof.
D. 
Where district boundaries are so indicated that they approximately follow lot lines, such lot lines shall be construed to be such boundaries.
E. 
In unsubdivided property or where a district boundary divides a lot, the location of any such boundary, unless the same is indicated by dimensions shown on said map, shall be determined by the use of the map scale shown thereon.
F. 
If the district classification of any land is in question, it shall be deemed to be in the most restrictive adjoining district.
A. 
Where districts are referred to as more restrictive or less restrictive, the designation shall refer only to the order in which each district is named above (§ 300-5) within its respective general district, the first named being the most restrictive and the last named being the least restrictive in each general district.
B. 
Each general district shall not be considered more restrictive or less restrictive than any other general district.
Where a lot in one ownership of record is divided by one or more district boundary lines, regulations for the less restricted portion or portions of such lot shall not extend into the more restricted portion or portions, except as specifically provided for elsewhere in this chapter.