We are performing Property Tax system maintenance on August 23, 2025 from 7 am until approx. 2 pm EST. The system will be unavailable during this maintenance.

If you are looking for information about the lien sale, please visit www.nyc.gov/liensale.

421a

A partial property tax exemption for new multiple dwellings.

421b

A partial property tax exemption for certain residential constructions and conversions