$6,500,000 Sold Jun 2026 · Unit 7
$21,340,000 Assessed value
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| Building size | 72,930 sq ft |
|---|---|
| Building dimensions | 44 × 110 ft |
| Stories | 19 |
| Basement / garden level | Yes — below ground |
| Sq ft per floor | 3,838 sq ft |
| Year built | 1963 |
| Lot dimensions | 45 × 125 ft |
|---|---|
| Lot area | 5,625 sq ft |
| FEMA flood zone | X — minimal risk |
| Units | 19 |
|---|---|
| Zoning | R10 |
| Building class | D4 |
| Ownership | Co-op building |
| Construction | Brick / Glass (landmarks record) |
| Block / lot | Block 1382 / Lot 1 |
| Built FAR | 12.97 |
|---|---|
| Max residential FAR | 10.00 |
| Max facility FAR | 10.00 |
| Last recorded sale | $6,500,000 (Jun 2026) |
|---|---|
| Assessed value | $21,340,000 |
| Tax class | 2 |
| Annual property tax | $1,121,827 |
| Exemptions / abatements | 857 5TH AVE OWNERS |
| Rent regulated | Co-op |
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857 5 Avenue was built in 1963 — roughly 63 years old. This is a co-op building with 18 apartments — residents own shares in the corporation that owns the building, rather than their apartments outright. Apartments average about 4,052 sq ft (building area divided by apartment count — individual units vary). For property-tax purposes it falls under Class 2 (residential buildings with four or more units, condos and co-ops), taxed at 12.439% of a taxable value based on 45% of the city’s income-derived market value. The corporation pays one building-wide tax bill — about $1,121,827 per year — passed to residents through monthly maintenance in proportion to each apartment’s share allocation. A straight average works out to roughly $62,324 per apartment per year, though larger apartments carry more shares (and many primary residents get the co-op/condo abatement on top). The most recent recorded sale in the building was unit 7, for $6,500,000 in Jun 2026.
City landmark records describe it as an apartment building dating to 1961 - 1963, originally used as residential, multi-family. It was designed by Robert L. Bien for The Fourge Corporation. It stands within the Upper East Side Historic District.
The building already exceeds what current residential zoning would allow (12.97 built FAR vs. a residential maximum of 10.00) — typically a grandfathered or overbuilt structure that could not be rebuilt to this size under today’s rules. This lot is associated with a co-op; individual apartments are owned as shares and taxed through the building.
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Data: NYC Department of Finance and Dept. of City Planning (PLUTO) via NYC Open Data. Figures are public records, may lag current bills, and can exclude abatements. Not financial advice.