Zoning is complicated.

Bytes of The Big Apple

The New York City Department of City Planning maintains zoning datasets, which are complicated.

https://www.nyc.gov/site/planning/data-maps/open-data/dwn-gis-zoning.page

"NYC Zoning Districts" is the standard one that most people will want. But who knows, maybe you want a georeferenced and rasterized version of the official paper zoning maps, you do you!

https://www.arcgis.com/home/webmap/viewer.html?basemapUrl=https://tiles.arcgis.com/tiles/GfwWNkhOj9bNBqoJ/arcgis/rest/services/GeoreferencedNYCZoningMaps/MapServer?cacheKey=bfb3740a5bcba6ae

Open Data Portal

You'll find some file format downloads on the NYC Open Data. Best to use the original source, Bytes of the Big Apple, above instead.