Home » Class A Buildings – One Family Dwellings

Class A Buildings – One Family Dwellings

A0 - Cape Cod

Cape Cod

Properties in the A0 building class are houses characterized by low and broad frames and steep roofs with gables. They also often feature large chimneys and are usually a story and a half high. This style of house first originated in New England in the 17th century. In New York City, 90% of all these houses can be found in Queens.

The neighborhoods with the biggest numbers of single family houses in the A0 building class are: Bayside Hills, Auburndale, Queens Village, Bay Terrace and Bellerose, all 5 of them in Queens.

A1 - Two Stories Detached (Small or Moderate Size, With or Without Attic)

Two Stories Detached (Small or Moderate Size, With or Without Attic)

The A1 building class includes detached houses which are two stories high. A detached house is a house that is not connected to other houses or dwellings by any walls. The houses in this class can be small or medium sized, with or without an attic. They are the most numerous among all single family dwellings, accounting for 39% of all single family houses in NYC. 59% of these houses are located in Queens, 20% in Staten Island and 15% in Brooklyn.

The neighborhoods with the biggest numbers of single family houses in the A1 building class are: Queens Village, South Ozone Park, St. Albans, Bayside / Bayside Hills, Baisley Park. All 5 of these neighborhoods are in Queens.

The neighborhoods with the biggest numbers of single family houses in the A0 building class are: Bayside Hills, Auburndale, Queens Village, Bay Terrace and Bellerose, all 5 of them in Queens.

A2 - One Story (Permanent Living Quarters)

One Story (Permanent Living Quarters)

The A2 building class comprises one story houses. The A2 class is the third most populous of all the ten single family residential classes, accounting for 16% of such properties. Queens has the highest number of houses in the A2 building class, 58%, followed by Staten Island with 30%.

The neighborhoods with the biggest numbers of single family houses in the A2 building class are: Glen Oaks / Floral Park (Queens), Great Kills (Staten Island), Cambria Heights (Queens), Lindenwood / Howard Beach (Queens) and Laurelton (Queens).

The neighborhoods with the biggest numbers of single family houses in the A0 building class are: Bayside Hills, Auburndale, Queens Village, Bay Terrace and Bellerose, all 5 of them in Queens.

A3 - Large Suburban Residence

Large Suburban Residence

The A3 building class comprises large suburban residences. The A3 building class comprises large suburban residences. Over half of these buildings (around 57%) have an area of over 3,000 square feet. The borough with the highest number of class A3 buildings is Queens (46%), followed by Staten Island (29%) and Brooklyn (17%).

The neighborhoods with the biggest numbers of single family houses in the A3 building class are: Forest Hills (Queens), Todt Hill / Emerson Hill / Heartland Village / Lighthouse Hill (Staten Island), Douglas Mnr / Douglaston / Little Neck (Queens), North Riverdale / Fieldston / Riverdale (the Bronx) and Georgetown / Marine Park / Bergen Beach / Mill Basin (Brooklyn).

A4 - City Residence One Family

City Residence One Family

Properties in the A4 class are also called city residences. 99% of them are at least 2 stories high and 55% are at least 3 stories high. The great majority of the A4 buildings can be encountered in Brooklyn (70%) and Manhattan (28%).

The neighborhoods with the biggest numbers of single family houses in the A4 building class are: Crown Heights South (Brooklyn), Carnegie Hill (Manhattan), Prospect-Lefferts Garden / Wingate (Brooklyn), Crown Heights North (Brooklyn) and Park Slope (Brooklyn).

A5 - One Family Attached or Semi-Detached

One Family Attached or Semi-Detached

Houses in the A5 building class are the second most common among all single family residential dwellings in New York City and they account for 31% of them. This class includes houses that are attached or semi-detached. Attached homes are houses that have two sidewalls in common with other houses, unless the house is at the end of the row. Semi-detached homes are usually symmetrical, sharing a common wall. Houses in the A5 class can be found in significant numbers in Queens (40%), Staten Island (28%) and Brooklyn (22%).

The neighborhoods with the biggest numbers of single family houses in the A5 building class are: Middle Village (Queens), Great Kills (Staten Island), Arden Heights (Staten Island), New Springville / Bloomfield / Travis (Staten Island) and Forest Hills (Queens).

A6 - Summer Cottages/Mobile Homes/Trailers

Summer Cottages/Mobile Homes/Trailers

The A6 building class includes mobile homes, trailers and summer cottages. Mobile homes are prefabricated houses that are built in factories, not on site. They are then taken to the place where they are to be inhabited. Most A6 properties are found in Staten Island (68%).

The neighborhoods with the biggest numbers of single family houses in the A6 building class are: New Dorp / Midland Beach (Staten Island), Hammels / Arverne / Edgemere (Queens), South Beach / Old Town / Dongan Hills (Staten Island), Far Rockaway / Bayswater (Queens) and Oakwood (Staten Island).

A7 - Mansion Type or Town House

Mansion Type or Town House

Properties in the A7 building class are mansion-like buildings. They are not very common: there are 331 of them spread relatively uniformly throughout the 5 boroughs. 109 are in Brooklyn, 97 in Manhattan and 77 in Queens.

The neighborhoods with the biggest numbers of single family houses in the A7 building class are: Carnegie Hill (Manhattan), Homecrest (Brooklyn), Crown Heights South (Brooklyn), North Riverdale / Fieldston / Riverdale (the Bronx) and Jamaica Estates / Holliswood (Queens).

A8 - Bungalow Colony/Land Coop Owned

Bungalow Colony/Land Coop Owned

There are 29 properties in the A8 class in New York City. Bungalow colonies were built between 1920 and 1940 and are clusters of small rental homes. The number of units in NYC’s bungalow colonies ranges from 3 to 1885. From the 29 colonies in New York City, 26 are in the Bronx and 3 are in Queens.

There are only 3 neighborhoods where these properties can be found: 25 are in Schuylerville / Throgs Neck / Edgwater Park (the Bronx), 3 are in Breezy Point (Queens) and 1 is in City Island (the Bronx).

A9 - Miscellaneous One Family

Miscellaneous One Family

Properties in the A9 class are miscellaneous buildings that are not part of any other class. 57% of them are in Brooklyn and 24% in Staten Island. The class consists of attached or semi-detached frame houses (houses with very steep roofs that go down almost all the way to the ground), old houses, etc.

The neighborhoods with the biggest numbers of single family houses in the A9 building class are: Flatlands (Brooklyn), Georgetown / Marine Park / Bergen Beach / Mill Basin (Brooklyn), East Flatbush / Farragut (Brooklyn), Great Kills (Staten Island) and Arden Heights / Greenridge (Staten Island).

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