2016 Building Registrations filed with NYS Division of Housing and Community Renewal (DHCR) http://www1.nyc.gov/site/rentguidelinesboard/resources/rent-stabilized-building-lists.page
This script (DHCR_PdfsToCsv.ipynb) converts the pdfs from their website into one text file: dhcr.csv
It contains addresses and BBLs of buildings on DHCR's rent stabilization list. Does not contain any unit level info.