Nine deep dives into the $1.91T NYC DOF FY2027 assessment roll — tax equity, exemptions, price per square foot, ownership concentration, value distribution, construction history, record-setting extremes, and a citywide zip code league table — plus a curated scrollytelling data story.
Class 1 (1-3 family homes) assesses at ~6% of market value citywide — versus ~45% for Class 2 apartments, co-ops, and condos. A structural gap set by state law, not the market.
Explore thisNYC Parks & Recreation alone holds $16.9B in exempt value across 5,053 lots. See exempt vs. taxable value by borough, tax class, and owner type — plus the top 20 exempt entity owners.
Explore thisManhattan condo $/sqft is remarkably tight (p10 $234 to p90 $541) — the outer boroughs run far wider. Percentile bands and a sortable, exportable per-zip median table.
Explore thisIndividually owned lots make up the majority of NYC parcels but hold only 40.7% of citywide value. LLC share by borough, the $1B+ club, and the conservative-floor caveat on entity grouping.
Explore thisDrill from $1.91T citywide down through each borough, property type, and building class in one interactive treemap.
Explore this192,358 still-standing lots date to the 1920s — dominated by [object Object] homes, the classic outer-borough building boom.
Explore this154-68 BROOKVILLE BLVD, Queens is assessed at $18,880,836,000 as one PTS record — it's JFK Airport, owned by the Port Authority of NY & NJ.
Explore this10019 (Manhattan) leads all NYC zip codes at $40.9B in total market value. Compare lots, value, $/sqft, and ownership mix across every zip.
Explore thisA curated, scrollytelling walk through the ten strongest findings across the entire analytics layer — from the Class 1/2 assessment gap to JFK Airport as the city's single most valuable lot.
Read the storyThe full Lorenz concentration curve, value-band breakdown, and top-N stats — 38.1% of lots account for 80% of total NYC property market value.
Explore this