Market data & owner guides
What the NYC sales market is actually doing, measured from live listings and recorded sales - plus the practical background an owner needs to read those records themselves.
Market data
Nearly half of apartments listed in some NYC neighborhoods cut their asking price. CurbScoop ranks price-cut rates and typical discount size by neighborhood, from live listing data.
Median days on market for NYC apartments by borough and neighborhood, measured from live listing data rather than brokerage marketing claims.
Comparing every sold NYC listing against its first asking price shows how much sellers actually concede. CurbScoop measures the median gap and how often apartments sell below ask.
Owner guide
A BBL is the Borough-Block-Lot number New York City uses to identify every tax lot. It is the key that ties your building's sales, permits, violations, and assessments together.
ACRIS is the public register of NYC property documents. A practical walkthrough of deeds, parties, consideration amounts, and the traps that make ACRIS prices misleading.
Most NYC valuations lean on whatever is nearby. A step-by-step method for picking comparable sales that actually reflect your apartment, and the adjustments that matter.