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Town of Mamaroneck, NY
Westchester County
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Table of Contents
Table of Contents
Code
New Laws (5) Index Notes (3)
[Added 7-16-1986 by L.L. No. 9-1986]
A. 
Lot requirements.
(1) 
Minimum lot area per dwelling unit: 50,000 square feet.
(2) 
Minimum lot width and length of street line frontage: 150 feet.
(3) 
Minimum depth of lot: 150 feet.
B. 
Yards, courts and open spaces.
(1) 
Minimum front yard: 50 feet. On a corner lot, a front yard should be provided on each street. (See § 240-54.)
(2) 
Minimum side yards: 35 feet for each side yard.
(3) 
Minimum rear yard: 50 feet.
(a) 
A rear yard shall be provided on a corner lot, and the owner shall have the privilege of electing which yard is to be the rear yard.
(b) 
An unattached accessory building not over one story or 15 feet in height and located on the rear 1/3 of the lot may be placed at a minimum distance of five feet from the property line. On a corner lot, such accessory building shall not be located nearer to the street line than the required minimum front yard setback for the zoning district.
(c) 
Minimum courts: as required by § 240-55.
(d) 
Usable open space, in square feet per dwelling unit: 1,200.
C. 
Floor area. Minimum first floor area, in square feet.
(1) 
One story: 2,100.
(2) 
One and one-half stories: 1,800.
(3) 
Two and one-half stories: 1,500.
D. 
Maximum heights.
(1) 
In stories: 2 1/2.
(2) 
In feet: 35.
E. 
Off-street parking spaces. As required by § 240-75 through 240-78.
F. 
Lot coverage. No buildings, accessory structures, pools, courts, drives or paved areas shall be erected or installed to exceed a lot coverage of 35%.
[Added 7-17-1996 by L.L. No. 14-1996]
G. 
Maximum size. See § 240-59.1.
[Added 1-8-2003 by L.L. No. 1-2003]
[Amended 7-16-1986 by L.L. No. 9-1986]
A. 
Lot requirements.
(1) 
Minimum lot area per dwelling unit: 30,000 square feet.
(2) 
Minimum lot width and length of street line frontage: 125 feet.
(3) 
Minimum depth of lot: 150 feet.
B. 
Yards, courts and open spaces.
(1) 
Minimum front yard: 50 feet. On a corner lot, a front yard shall be provided on each street. (See § 240-54.)
(2) 
Minimum side yards.
(a) 
Least one: 20 feet.
(b) 
Total of two: 50 feet.
(c) 
An unattached accessory building not over one story or 15 feet in height and located on the rear 1/3 of the lot may be placed at a minimum distance of five feet from the property line. On a corner lot, such accessory building shall not be located nearer to the street line than the required minimum front yard setback for the zoning district.
(3) 
Minimum rear yard: 50 feet.
(a) 
A rear yard shall be provided on a corner lot, and the owner shall have the privilege of electing which yard is to be the rear yard.
(b) 
An unattached accessory building not over one story or 15 feet in height and located on the rear 1/3 of the lot may be placed at a minimum distance of five feet from the property line. On a corner lot, such accessory building shall not be located nearer to the street line than the required minimum front yard setback for the zoning district.
(c) 
Minimum courts: as required by § 240-55.
(d) 
Usable open space (in square feet per dwelling unit): 1,200.
C. 
Floor area. Minimum first floor area, in square feet.
(1) 
One story: 2,100.
(2) 
One and one-half stories: 1,800.
(3) 
Two and two and one-half stories: 1,500.
D. 
Maximum heights.
(1) 
In stories: two and one-half (2 1/2).
(2) 
In feet: 35.
E. 
Off-street parking. Minimum number of off-street parking spaces: as required by §§ 240-75 through 240-78.
F. 
Lot coverage. No buildings, accessory structures, pools, courts, drives or paved areas shall be erected or installed to exceed a lot coverage of 35%.
[Added 7-17-1996 by L.L. No. 14-1996]
G. 
Maximum size. See § 240-59.1.
[Added 1-8-2003 by L.L. No. 1-2003]
A. 
Lot requirements.
(1) 
Minimum lot area per dwelling unit: 20,000 square feet.
(2) 
Minimum lot width and length of street line frontage: 100 feet.
(3) 
Minimum depth of lot: 125 feet.
B. 
Yards, courts and open spaces.
(1) 
Minimum front yard: 40 feet. On a corner lot, a front yard shall be provided on each street. (See § 240-54.)
(2) 
Minimum side yards.
(a) 
Least one: 15 feet.
(b) 
Total of two: 40 feet.
(c) 
An unattached accessory building not over one story or 15 feet in height and located on the rear 1/3 of the lot may be placed at a minimum distance of five feet from the property line. On a corner lot, such accessory building shall not be located nearer to the street line than the required minimum front yard setback for the zoning district.
(3) 
Minimum rear yard: 40 feet.
(a) 
A rear yard shall be provided on a corner lot, and the owner shall have the privilege of electing which yard is to be the rear yard.
(b) 
An unattached accessory building not over one story or 15 feet in height and located on the rear 1/3 of the lot may be placed at a minimum distance of five feet from the property line. On a corner lot, such accessory building shall not be located nearer to the street line than the required minimum front yard setback for the zoning district.
(4) 
Minimum courts: as required by § 240-55.
(5) 
Usable open space, in square feet per dwelling unit: 1,200.
C. 
Floor area. Minimum first floor area, in square feet.
(1) 
One story: 1,900.
(2) 
One and one-half stories: 1,700.
(3) 
Two and two and one-half stories: 1,400.
D. 
Maximum heights.
(1) 
In stories: 2 1/2.
(2) 
In feet: 35.
E. 
Off-street parking. Minimum number of off-street parking spaces: as required by §§ 240-75 through 240-78.
F. 
Lot coverage. No buildings, accessory structures, pools, courts, drives or paved areas shall be erected or installed to exceed a lot coverage of 35%.
[Added 7-17-1996 by L.L. No. 14-1996]
G. 
Maximum size. See § 240-59.1.
[Added 1-8-2003 by L.L. No. 1-2003]
A. 
Lot requirements.
(1) 
Minimum lot area per dwelling unit: 15,000 square feet.
(2) 
Minimum lot width and length of street-line frontage: 100 feet.
(3) 
Minimum depth of lot: 100 feet.
B. 
Yards, courts and open spaces.
(1) 
Minimum front yard: 40 feet. On a corner lot, a front yard shall be provided on each street. (See § 240-54.)
(2) 
Minimum side yards.
(a) 
Least one: 10 feet.
(b) 
Total of two: 30 feet.
(c) 
An unattached accessory building not over one story or 15 feet in height and located on the rear 1/3 of the lot may be placed at a minimum distance of five feet from the property line. On a corner lot, such accessory building shall not be located nearer to the street line than the required minimum front yard setback for the zoning district.
(3) 
Minimum rear yard: 25 feet.
(a) 
A rear yard shall be provided on a corner lot, and the owner shall have the privilege of electing which yard is to be the rear yard.
(b) 
An unattached accessory building not over one story or 15 feet in height and located on the rear 1/3 of the lot may be placed at a minimum distance of five feet from the property line. On a corner lot, such accessory building shall not be located nearer to the street line than the required minimum front yard setback for the zoning district.
(4) 
Minimum courts: as required by § 240-55.
(5) 
Usable open space, in square feet per dwelling unit: 1,200.
C. 
Floor area. Minimum first-floor area, in square feet.
(1) 
One story: 1,600.
(2) 
One and one-half stories: 1,300.
(3) 
Two and two and one-half stories: 1,000.
D. 
Maximum heights.
(1) 
In stories: 2 1/2.
(2) 
In feet: 35.
E. 
Off-street parking. Minimum number of off-street parking spaces: as required by §§ 240-75 through 240-78.
F. 
Lot coverage. No buildings, accessory structures, pools, courts, drives or paved areas shall be erected or installed to exceed a lot coverage of 35%.
[Added 7-17-1996 by L.L. No. 14-1996]
G. 
Maximum size. See § 240-59.1.
[Added 1-8-2003 by L.L. No. 1-2003]
A. 
Lot requirements.
(1) 
Minimum lot area per dwelling unit: 10,000 square feet.
(2) 
Minimum lot width and length of street-line frontage: 85 feet.
(3) 
Minimum depth of lot: 100 feet.
B. 
Yards, courts and open spaces.
(1) 
Minimum front yard: 30 feet. On a corner lot, a front yard shall be provided on each street. (See § 240-54.)
(2) 
Minimum side yards.
(a) 
Least one: 10 feet.
(b) 
Total of two: 25 feet.
(c) 
An unattached accessory building not over one story or 15 feet in height and located on the rear 1/3 of the lot may be placed at a minimum distance of five feet from the property line. On a corner lot, such accessory building shall not be located nearer to the street line than the required minimum front yard setback for the zoning district.
(3) 
Minimum rear yard: 25 feet.
(a) 
A rear yard shall be provided on a corner lot, and the owner shall have the privilege of electing which yard is to be the rear yard.
(b) 
An unattached accessory building not over one story or 15 feet in height and located on the rear 1/3 of the lot may be placed at a minimum distance of five feet from the property line. On a corner lot, such accessory building shall not be located nearer to the street line than the required minimum front yard setback for the zoning district.
(4) 
Minimum courts: as required by § 240-55.
(5) 
Usable open space, in square feet per dwelling unit: 1,200.
C. 
Floor area. Minimum first-floor area, in square feet.
(1) 
One story: 1,400.
(2) 
One and one-half stories: 1,100.
(3) 
Two and two and one-half stories: 900.
D. 
Maximum heights.
(1) 
In stories: 2 1/2.
(2) 
In feet: 35.
E. 
Off-street parking. Minimum number of off-street parking spaces: as required by §§ 240-75 through 240-78.
F. 
Lot coverage. No buildings, accessory structures, pools, courts, drives or paved areas shall be erected or installed to exceed a lot coverage of 35%.
[Added 7-17-1996 by L.L. No. 14-1996]
G. 
Maximum size. See § 240-59.1.
[Added 1-8-2003 by L.L. No. 1-2003]
A. 
Lot requirements.
(1) 
Minimum lot area per dwelling unit: 7,500 square feet.
(2) 
Minimum lot width and length of street-line frontage: 75 feet.
(3) 
Minimum depth of lot: 100 feet.
B. 
Yards, courts and open spaces.
(1) 
Minimum front yard: 30 feet. On a corner lot, a front yard shall be provided on each street. (See § 240-54.)
(2) 
Minimum side yards.
(a) 
Least one: 10 feet.
(b) 
Total of two: 20 feet.
(c) 
An unattached accessory building not over one story or 15 feet in height and located on the rear 1/3 of the lot may be placed at a minimum distance of five feet from the property line. On a corner lot, such accessory building shall not be located nearer to the street line than the required minimum front yard setback for the zoning district.
(3) 
Minimum rear yard: 25 feet.
(a) 
A rear yard shall be provided on a corner lot, and the owner shall have the privilege of electing which yard is to be the rear yard.
(b) 
An unattached accessory building not over one story or 15 feet in height and located on the rear 1/3 of the lot may be placed at a minimum distance of five feet from the property line. On a corner lot, such accessory building shall not be located nearer to the street line than the required minimum front yard setback for the zoning district.
(4) 
Minimum courts: as required by § 240-55.
(5) 
Usable open space, in square feet per dwelling unit: 1,200.
C. 
Floor area. Minimum first-floor area, in square feet.
(1) 
One story: 1,200.
(2) 
One and one-half stories: 1,000.
(3) 
Two and two and one-half stories: 800.
D. 
Maximum heights.
(1) 
In stories: 2 1/2.
(2) 
In feet: 35.
E. 
Off-street parking. Minimum number of off-street parking spaces: as required by §§ 240-75 through 240-78.
F. 
Lot coverage. No buildings, accessory structures, pools, courts, drives or paved areas shall be erected or installed to exceed a lot coverage of 35%.
[Added 7-17-1996 by L.L. No. 14-1996]
G. 
Maximum size. See § 240-59.1.
[Added 1-8-2003 by L.L. No. 1-2003]
A. 
Lot requirements.
(1) 
Minimum lot area per dwelling unit: 6,000 square feet.
(2) 
Minimum lot width and length of street-line frontage: 60 feet.
(3) 
Minimum depth of lot: 100 feet.
B. 
Yards, courts and open spaces.
(1) 
Minimum front yard: 30 feet. On a corner lot, a front yard shall be provided on each street. (See § 240-54.)
(2) 
Minimum side yards.
(a) 
Least one: eight feet.
(b) 
Total of two: 18 feet.
(c) 
An unattached accessory building not over one story or 15 feet in height and located on the rear 1/3 of the lot may be placed at a minimum distance of five feet from the property line. On a corner lot, such accessory building shall not be located nearer to the street line than the required minimum front yard setback for the zoning district.
(3) 
Minimum rear yard: 25 feet.
(a) 
A rear yard shall be provided on a corner lot, and the owner shall have the privilege of electing which yard is to be the rear yard.
(b) 
An unattached accessory building not over one story or 15 feet in height and located on the rear 1/3 of the lot may be placed at a minimum distance of five feet from the property line. On a corner lot, such accessory building shall not be located nearer to the street line than the required minimum front yard setback for the zoning district.
(4) 
Minimum courts: as required by § 240-55.
(5) 
Usable open space, in square feet per dwelling unit: 1,200.
C. 
Floor area. Minimum first-floor area, in square feet.
(1) 
One story: 1,000.
(2) 
One and one-half stories: 800.
(3) 
Two and two and one-half stories: 700.
D. 
Maximum heights.
(1) 
In stories: 2 1/2.
(2) 
In feet: 35.
E. 
Off-street parking. Minimum number of off-street parking spaces: as required by §§ 240-75 through 240-78.
F. 
Lot coverage. No buildings, accessory structures, pools, courts, drives or paved areas shall be erected or installed to exceed a lot coverage of 35%.
[Added 7-17-1996 by L.L. No. 14-1996]
G. 
Maximum size. See § 240-59.1.
[Added 1-8-2003 by L.L. No. 1-2003]
[Added 7-20-1994 by L.L. No. 6-1994]
A. 
Lot requirements.
(1) 
Minimum lot area: 50 acres.
(2) 
Minimum lot width and length of street line frontage: 300 feet. Minimum lot depth: 500 feet.
(3) 
Perimeter buffer area around the entire perimeter of the property, in which no court, pool, field, green, fairway, tee or structure may be placed: no less than 40 feet in width. The Planning Board shall approve appropriate screening within the buffer area so as to minimize visual, sound and other impacts on adjacent property.
B. 
Yards, courts and open space.
(1) 
Minimum front yard: 150 feet. On a corner lot, a front yard should be provided on each street. (See § 240-54.) No parking may be placed in any required front yard.
(2) 
Minimum side yard: 75 feet for each side yard. Minimum rear yard: 100 feet.
(3) 
Principal and accessory uses are not permitted in required front yards.
(4) 
Accessory uses require a minimum forty-foot rear yard and forty-foot minimum for each side yard.
C. 
Coverage.
(1) 
No principal buildings or combination of principal buildings on the site shall have a coverage which exceeds 1% of the total area of the lot.
(2) 
The total of all buildings shall not exceed an area of 1.25% of the total lot area.
D. 
Maximum height.
(1) 
In stories: two and one-half (2 1/2) stories.
(2) 
In feet: 35 feet.
E. 
Off-street parking. Minimum number of off-street parking spaces: as required by §§ 240-75 through 240-78.
F. 
Minimum off-street loading spaces: see § 240-82.
G. 
All permitted storage shall be entirely within a building except for parking and loading vehicles.
H. 
All lighting shall be located and shaded in a manner so that the light source itself is not visible beyond the boundaries of the lot on which it is located.
A. 
Lot requirements.
(1) 
Minimum lot area per dwelling unit: 5,000 square feet. (Any lot existing in the R-2F Zone in single and separate ownership on June 29, 1959, having at least 7,500 square feet, may be used for two-family residence.)
(2) 
Minimum lot width and length of street-line frontage: 50 feet per dwelling unit.
[Amended 4-17-1963]
(3) 
Minimum depth of lot: 100 feet.
B. 
Yards, courts and open spaces.
(1) 
Minimum front yard: 30 feet. On a corner lot, a front yard shall be provided on each street. (See § 240-54.)
(2) 
Minimum side yards.
(a) 
Least one: eight feet.
(b) 
Total of two: 18 feet.
(c) 
An unattached accessory building not over one story or 15 feet in height and located on the rear one-third (1/3) of the lot may be placed at a minimum distance of five feet from the property line. On a corner lot, such accessory building shall not be located nearer to the street line than the required minimum front yard setback for the zoning district.
(3) 
Minimum rear yard: 25 feet.
(a) 
A rear yard shall be provided on a corner lot, and the owner shall have the privilege of electing which yard is to be the rear yard.
(b) 
An unattached accessory building not over one story or 15 feet in height and located on the rear one-third (1/3) of the lot may be placed at a minimum distance of five feet from the property line. On a corner lot, such accessory building shall not be located nearer to the street line than the required minimum front yard setback for the zoning district.
(4) 
Minimum courts: as required by § 240-55.
(5) 
Usable open space, in square feet per dwelling unit: 1,200.
C. 
Floor area. Minimum first-floor area, in square feet.
(1) 
One story: 1,000.
(2) 
One and one-half stories: 800.
(3) 
Two and two and one-half stories: 700.
D. 
Maximum heights.
(1) 
In stories: two and one-half (2 1/2).
(2) 
In feet: 35.
E. 
Off-street parking. Minimum number of off-street parking spaces: as required by §§ 240-75 through 240-78.
F. 
Lot coverage. No buildings, accessory structures, pools, courts, drives or paved areas shall be erected or installed to exceed a lot coverage of 35%.
[Added 7-17-1996 by L.L. No. 14-1996]
A. 
Lot requirements.
(1) 
Minimum lot area per dwelling unit: 3,500 square feet.
(2) 
Minimum depth of lot: 150 feet.
(3) 
Maximum coverage of lot: 25%.
[Amended 7-17-1996 by L.L. No. 14-1996]
B. 
Yards, courts and open spaces.
(1) 
Minimum front yard: 30 feet. On a corner lot, a front yard shall be provided on each street. (See § 240-54.)
[Amended 7-17-1996 by L.L. No. 14-1996]
(2) 
Minimum side yards.
(a) 
Least one: 25 feet.
[Amended 7-17-1996 by L.L. No. 14-1996]
(b) 
Total of two: 60 feet.
[Amended 7-17-1996 by L.L. No. 14-1996]
(c) 
An unattached accessory building not over one story or 15 feet in height and located on the rear one-third (1/3) of the lot may be placed at a minimum distance of five feet from the property line. On a corner lot, such accessory building shall not be located nearer to the street line than the required minimum front yard setback for the zoning district.
(3) 
Minimum rear yard: 25 feet.
[Amended 7-17-1996 by L.L. No. 14-1996]
(a) 
A rear yard shall be provided on a corner lot, and the owner shall have the privilege of electing which yard is to be the rear yard.
(b) 
An unattached accessory building not over one story or 15 feet in height and located on the rear one-third (1/3) of the lot may be placed at a minimum distance of five feet from the property line. On a corner lot, such accessory building shall not be located nearer to the street line than the required minimum front yard setback for the zoning district.
(4) 
Minimum courts: as required by § 240-55.
(5) 
Usable open space, in square feet per dwelling unit: 400.
C. 
Floor area. Minimum floor area per dwelling unit: an average of 750 square feet per dwelling unit.
D. 
Maximum heights.
(1) 
In stories: two and one-half (2 1/2).
(2) 
In feet: 35.
E. 
Off-street parking. Minimum number of off-street parking spaces: as required by §§ 240-75 through 240-78.
A. 
Lot requirements.
(1) 
Minimum lot area per dwelling unit: 2,500 square feet.
(2) 
Minimum depth of lot: 100 feet.
(3) 
Maximum coverage of lot: 25%.
B. 
Yards, courts and open spaces.
(1) 
Minimum front yard: 30 feet. On a corner lot, a front yard shall be provided on each street. (See § 240-54.)
(2) 
Minimum side yards.
(a) 
Least one: 25 feet.
[Amended 7-17-1996 by L.L. No. 14-1996]
(b) 
Total of two: 60 feet.
[Amended 7-17-1996 by L.L. No. 14-1996]
(c) 
An unattached accessory building not over one story or 15 feet in height and located on the rear one-third (1/3) of the lot may be placed at a minimum distance of five feet from the property line. On a corner lot, such accessory building shall not be located nearer to the street line than the required minimum front yard setback for the zoning district.
(3) 
Minimum rear yard: 25 feet.
(a) 
A rear yard shall be provided on a corner lot, and the owner shall have the privilege of electing which yard is to be the rear yard.
(b) 
An unattached accessory building not over one story or 15 feet in height and located on the rear one-third (1/3) of the lot may be placed at a minimum distance of five feet from the property line. On a corner lot, such accessory building shall not be located nearer to the street line than the required minimum front yard setback for the zoning district.
(4) 
Minimum courts: as required by § 240-55.
(5) 
Usable open space, in square feet per dwelling unit: 300.
C. 
Floor area. Minimum floor area per dwelling unit: an average of 750 square feet per dwelling unit.
D. 
Maximum heights.
(1) 
In stories: 2 1/2.
(2) 
In feet: 35.
E. 
Off-street parking. Minimum number of off-street parking spaces: as required by §§ 240-75 through 240-78.
A. 
Lot requirements.
(1) 
Minimum lot area per dwelling unit: 1,500 square feet.
(2) 
Minimum depth of lot: 100 feet.
(3) 
Maximum coverage of lot: 20%.
B. 
Yards, courts and open spaces.
(1) 
Minimum front yard: 15 feet. On a corner lot, a front yard shall be provided on each street. (See § 240-54.)
(2) 
Minimum side yards.
(a) 
One and one-half (1 1/2) inches per foot of building height but not less than five feet or one inch for each foot of building length, a minimum of 10 feet from a street.
(b) 
An unattached accessory building not over one story or 15 feet in height and located on the rear one-third (1/3) of the lot may be placed at a minimum distance of five feet from the property line. On a corner lot, such accessory building shall not be located nearer to the street line than the required minimum front yard setback for the zoning district.
(3) 
Minimum rear yard: three inches per foot of building height but not less than 15 feet.
(a) 
A rear yard shall be provided on a corner lot, and the owner shall have the privilege of electing which yard is to be the rear yard.
(b) 
An unattached accessory building not over one story or 15 feet in height and located on the rear one-third (1/3) of the lot may be placed at a minimum distance of five feet from the property line. On a corner lot, such accessory building shall not be located nearer to the street line than the required minimum front yard setback for the zoning district.
(4) 
Minimum courts: as required by § 240-55.
(5) 
Usable open space, in square feet per dwelling unit: 200.
C. 
Floor area. Minimum floor area per dwelling unit: an average of 750 square feet per dwelling unit.
D. 
Maximum heights.
(1) 
In stories: six.
(2) 
In feet: 70.
E. 
Off-street parking. Minimum number of off-street parking spaces: as required by §§ 240-75 through 240-78.