Washington Heights (North), Manhattan

Washington Heights (North) stands out for how little recorded development capacity remains: only 42% of lots show any floor area below what current rules allow, and among those, the median residual is 0 FAR points — effectively no cushion between what's built and what's currently permitted on the typical qualifying lot. That's a tighter margin than the neighborhood just to its south, where both figures run higher, and it means most parcels here are already built at or close to what current zoning would allow rather than carrying meaningful recorded slack. An owner or buyer looking for as-of-right expansion room would, on these figures, find comparatively little of it here.

The building stock is heavily prewar. The median recorded construction year is 1922, and 82% of buildings on file predate 1940. Only 9% date to the 1945-1975 postwar boom, and just 3% have gone up since 2000, so this is a neighborhood whose built form was mostly settled generations ago and has changed only modestly since — a pattern consistent with the limited recorded headroom described above, where there has been little remaining capacity to build into. New construction, where it exists on record, tends to be the exception rather than a visible trend.

Multi-family walk-up buildings lead the land-use mix at 31%, with mixed residential-and-commercial parcels at 24% and multi-family elevator buildings at 17%. The building-class mix runs 40% walk-up apartment structures, 27% elevator apartment buildings, and 8% falling into another recorded building class. Height on record holds to a median of 5 stories, with only 4% of buildings recorded above 6 floors. Lots here run larger than in much of Manhattan, with a median of 7,691 square feet and an upper range reaching 20,150 square feet — roughly 960 tax lots in total, 75% of them residential and carrying 31,447 units.

1% of lots sit inside the federally mapped flood zone, a small share reflecting the neighborhood's elevation above the river rather than a claim that no lot has ever flooded. None of the recorded lots fall inside a designated historic district, so the limited headroom described above isn't a landmarks-driven constraint — the numbers simply show a built-out neighborhood. Washington Heights (North) borders Inwood to the north and Washington Heights (South) to the south, the latter carrying a noticeably wider recorded development margin on the same measures, a reminder that neighboring sections along the same corridor can carry meaningfully different headroom figures despite a shared building era.