R9X
Residential R9X
New York City zoning district · 50 parcels
R9X is defined as a Residential R9X in New York City. The maximum building height is 150 feet. There are 50 parcels classified under this district. R9X is a high-density residential zoning district in New York City permitting multifamily tower housing with a maximum FAR of 9.0. Buildings in R9X districts have a tower-in-the-park or tower-on-base character with a general height limit of 150 feet (15 stories). This contextual district has modified height and setback rules, typically allowing slightly taller buildings with lower lot coverage than standard contextual districts.
Tall, slim apartment towers, for developers. The highest-density R9 contextual option: permits multifamily towers with floor space up to 9 times the lot size (FAR = floor-area ratio, floor area divided by lot area). Modified height and setback rules (setback = how far upper floors step back from the lot line) allow extra height with lower lot coverage. Tower-on-a-base form. Rare. For large high-rise residential projects.
Development standards
R9X regulates building height, lot size, setbacks, and lot coverage across 50 parcels in New York City.
Recent cases involving R9X· 6
Frequently asked questions
Code references
Section NYC Zoning Resolution
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