Fire Divisions - mattyschell/nyc-spatial-rolodex GitHub Wiki

The Fire Department of New York (FDNY) maintains Fire Battalions. Fire-Companies nest within Fire-Battalions which nest within Fire Divisions.

Department of City Plannning: Bytes of The Big Apple

https://www.nyc.gov/site/planning/data-maps/open-data/districts-download-metadata.page

You will find both clipped to shoreline and water areas included.