Arden Heights-Rossville, Staten Island

Arden Heights-Rossville carries less unused development capacity than any other neighborhood in this batch. Only 51% of lots have floor-area headroom under current district rules, and the median residual is just 0.1 FAR — both the lowest figures recorded here. That pattern lines up with a building-class mix skewed toward one-family construction: 73% of buildings are classed as one-family homes and 21% as two-family, with the remaining 3% carrying other classifications on file.

None of the neighborhood's roughly 8,600 tax lots — 0% — carry federal flood-hazard mapping on the current record, a statement about the map rather than a guarantee about water. Land-use coding is close to uniformly residential: 95% of lots fall under one- and two-family use, with 2% recorded vacant and a further 3% coded to other uses on file. Lots run smaller than several neighboring areas, at a median of 2,600 square feet, with the largest tenth reaching 6,400 square feet or more.

Construction here is comparatively recent for this part of the island: the median recorded year is 1987, with just 1% of the stock predating 1940 and 18% dating from the postwar boom between 1945 and 1975. Another 13% dates from 2000 or later. Residential use covers 95% of lots, supporting 11,030 housing units, and recorded heights top out at a median of 2 stories, with none of the stock climbing past 6 floors.

No lots here carry a historic-district designation on record — that share is 0%. The neighborhood borders Annadale-Huguenot-Prince's Bay-Woodrow, Great Kills-Eltingville, and Tottenville-Charleston. PearlAudit carries the per-lot version of the headroom, flood, and construction-year figures cited here.

The scarcity of floor-area headroom here lines up with a district pattern built around smaller, already well-used lots rather than larger parcels with room to spare. Combined with a flood map that currently shows no lots inside the mapped hazard area, the file describes a neighborhood whose main constraint on future building is the zoning envelope itself rather than flood-plain rules. Its comparatively recent median construction year also suggests more of the neighborhood's building happened after several of its neighbors had already filled in, leaving less room on file for further additions than in almost any other neighborhood in this batch — a contrast worth noting against the far larger headroom figures recorded just a few neighborhoods over.