Borough, Block, and Lot (also called Borough/Block/Lot or BBL) is the
parcel number system used to identify each unit of
real estate in
New York City
New York, often called New York City (NYC), is the most populous city in the United States, located at the southern tip of New York State on one of the world's largest natural harbors. The city comprises five boroughs, each coextensive w ...
for numerous city purposes. It consists of three numbers, separated by slashes: the
borough
A borough is an administrative division in various English language, English-speaking countries. In principle, the term ''borough'' designates a self-governing walled town, although in practice, official use of the term varies widely.
History
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, which is 1 digit; the block number, which is up to 5 digits; and the lot number, which is up to 4 digits.
The borough number is:
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Manhattan
Manhattan ( ) is the most densely populated and geographically smallest of the Boroughs of New York City, five boroughs of New York City. Coextensive with New York County, Manhattan is the County statistics of the United States#Smallest, larg ...
(New York County)
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Bronx
The Bronx ( ) is the northernmost of the five Boroughs of New York City, boroughs of New York City, coextensive with Bronx County, in the U.S. state of New York (state), New York. It shares a land border with Westchester County, New York, West ...
(Bronx County)
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Brooklyn
Brooklyn is a Boroughs of New York City, borough of New York City located at the westernmost end of Long Island in the New York (state), State of New York. Formerly an independent city, the borough is coextensive with Kings County, one of twelv ...
(Kings County)
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Queens
Queens is the largest by area of the Boroughs of New York City, five boroughs of New York City, coextensive with Queens County, in the U.S. state of New York (state), New York. Located near the western end of Long Island, it is bordered by the ...
(Queens County)
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Staten Island
Staten Island ( ) is the southernmost of the boroughs of New York City, five boroughs of New York City, coextensive with Richmond County and situated at the southernmost point of New York (state), New York. The borough is separated from the ad ...
(Richmond County)
An example of a valid style of BBL is 4/99999/9999 for Queens.
See also
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Lot and Block survey system
The lot and block survey system is a method used in the United States and Canada to locate and identify land, particularly for lots in densely populated metropolitan areas, suburban areas and exurbs. It is sometimes referred to as the recorded p ...
*
Texas land survey system
References
External links
New York City Register Lookupprovides conversions between Borough/Block/Lot and property address
Land & Construction Surveying Using Modern Technology
Land surveying systems
Geography of New York City
Government of New York City
Surveying of the United States
Infrastructure in New York City
Real estate in the United States
Real estate terminology
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