Class F Buildings - Factory And Industrial Buildings
F1 - Factory; Heavy Manufacturing - Fireproof
Factory; Heavy Manufacturing – Fireproof
The F1 property class comprises fireproof factory and industrial buildings that are involved in heavy manufacturing. Most of them can be found in Queens (54%), Brooklyn (27%) and the Bronx (17%).
The top neighborhoods with factories and industrial buildings in the F1 class are Hunters Point / Sunnyside / West Maspeth (Queens), Queens Bridge / Ravenswood / Long Island City North (Queens), East New York (Brooklyn), Hunts Point (the Bronx) and Woodside (Queens).

F2 - Factory; Special Construction - Fireproof
Special Construction – Fireproof
The F2 building class comprises special constructions like printing plants that are fireproof. They can mostly be found in Brooklyn (38%), Queens (32%) and the Bronx (18%).
The neighborhoods that have this type of buildings in the biggest numbers are Hunters Point / Sunnyside / West Maspeth (Queens), Bedford (Brooklyn), East New York (Brooklyn), Hunts Point (the Bronx) and Jamaica (Queens).

F4 - Factory; Industrial Semi-Fireproof
Factory; Industrial Semi-Fireproof
Semi-fireproof factory and industrial buildings are part of the F4 building class. Most of these buildings can be found in Queens (50%), Brooklyn (36%) and the Bronx (14%).
The following neighborhoods have the biggest numbers of semi-fireproof factories and industrial buildings: Hunters Point / Sunnyside / West Maspeth (Queens), Hunts Point (the Bronx), Queens Bridge / Ravenswood / Long Island City North (Queens), College Point (Queens) and East Williamsburg (Brooklyn).

F5 - Factory; Light Manufacturing
Factory; Light Manufacturing
Light manufacturing factories are part of the F5 building class. The majority of them can be found in Brooklyn (55%), Queens (20%) and the Bronx (16%).
The top neighborhoods with the biggest numbers of these factories are Sunset Park (Brooklyn), Greenwood Heights (Brooklyn), North Side / South Side (Brooklyn), Borough Park (Brooklyn) and Stapleton / Rosebank (Staten Island).

F8 - Factory; Tank Farms
Factory; Tank Farms
Tank farms form the F8 building class. Most of them are in Brooklyn and the Bronx, in the following neighborhoods: Greenpoint (Brooklyn), Hunts Point (the Bronx), Westchester / Unionport (the Bronx) and Carroll Gardens / Columbia / Red Hook (Brooklyn).

F9 - Factory; Industrial - Miscellaneous
Factory; Industrial – Miscellaneous
The F9 building class comprises miscellaneous factories and industrial buildings. They can mostly be found in Brooklyn (55%), Queens (32%) and the Bronx (10%).
The neighborhoods where these buildings can be found in the biggest numbers are Hunters Point / Sunnyside / West Maspeth (Queens), Queens Bridge, Ravenswood, Long Island City North (Queens), Greenpoint (Brooklyn), Carroll Gardens / Columbia / Red Hook (Brooklyn) and Gowanus (Brooklyn).
