NYC - Brooklyn County property data
15,225 properties in NYC - Brooklyn County, New York are on the live map, 15,225 of them carrying linked permit, violation, sale, or event records. These are the map's own served counts — the same numbers any visitor can verify by opening the county on the map.
Coverage in NYC - Brooklyn County
Most mapped properties carry linked records. Every property sits on the owned county parcel layer; linked records draw from building permits, code violations, complaints, deeds and sales, assessments, and certificates of occupancy where the county and its cities publish them. Coverage grows continuously — counts on this page refresh with the map pipeline. How records attach to parcels, including published per-county match rates, is documented on the data quality page and the methodology page.
Permit approval speed
Median calendar days from filing to issuance in NYC - Brooklyn County, computed from real filed/issued date pairs over the last 3 years. Published only where the sample is large and clean; see the methodology page.
Look up a single property
Any address in NYC - Brooklyn County can be opened as a free property report — permits, violations, sales, and parcel facts for that one property — on the property report page, or browsed visually on the live map.