NYC Department of Building's Active Major Construction tool is an interactive map and dashboard that provides real-time insight into all currently active major construction sites. Buildings on the map are categorized by square footage, estimated cost, and proposed dwelling units with larger points denoting higher values. Click on any of the points to get more details as well as a direct link to the permit info on DOB's Building Information System (BIS). The sidebar also contains various interactive filters.

Scroll down to view daily Top 10 lists of active sites with the most square footage, most expensive, tallest, and most dwelling units. Additional Top 10 bar graphs show general contractors with the most active city-wide square footage and cost, as well as occupancy type information.

The data used to create this application consists of all active New Building (NB) and Alteration Type 1 (A1) Enlargement permits and is updated daily. Download Data