51 ASTOR PLACE
Office building · Manhattan · 10003
At a glance
51 ASTOR PLACE in Manhattan, NY is listed on the New York City property roll as “Office building”, BBL 1005540035. The roll records 385,831 sq ft of building area, 14 floors, a 2012 build year and an assessed value of $113,000,000.
The building's own benchmarking filing
Energy performance
From the building's own filing under its city's benchmarking ordinance. An ENERGY STAR score of 75 or above means the building outperforms three quarters of comparable buildings nationally. It is a self-reported figure, verified by the city only to the extent the ordinance requires.
New York City assessment roll
Parcel record
| Field | Value |
|---|---|
| BBL | 1005540035 |
| Site address | 51 ASTOR PLACE |
| Land use (DOR) | O6 — Office building |
| Building area (actual) | 385,831 sq ft |
| Floors / units / buildings | 14 / 18 / 1 |
| Lot size | 36,003 sq ft |
| Year built | 2012 |
| Zoning (primary) | — |
| Land value | $6,480,000 |
| Building value | — |
| Total assessed value | $113,000,000 |
Recorded owner (assessment roll)
COOPER UNION FOR THE ADVANCEMENT OF SCIE NCE & ART
Owner mailing address: not listed
Location
- Address
- 51 ASTOR PLACE
- City
- Manhattan
- ZIP
- 10003
- Coordinates
- 40.73007, -73.99017
Within ~650 m
Nearby office buildings
- 726 BROADWAY0 tenants
336,645 sq ft · 10 fl · 1919
- 740 BROADWAY0 tenants
316,832 sq ft · 12 fl · 1910
- 35 IRVING PLACE0 tenants
288,402 sq ft · 12 fl · 1909
- 124 EAST 14 STREET0 tenants
230,591 sq ft · 22 fl · 2020
- 849 BROADWAY0 tenants
218,953 sq ft · 21 fl · 1900
- 83 UNIVERSITY PLACE0 tenants
191,223 sq ft · 11 fl · 1906
How does 51 ASTOR PLACE compare with other New York office buildings?
At 385,831 sq ft, 51 ASTOR PLACE is about 6 times the size of the average office building on the New York City roll, which comes to 67,377 sq ft across 7,166 buildings.
With 14 floors it is one of 1,158 office buildings of ten or more floors in the metro.
Its assessed value works out to $293 per square foot of building area, against $157 across all office floor area on the roll.
What has happened at 51 ASTOR PLACE recently?
The building files energy-benchmarking disclosures — 1 report year are matched to this parcel.
What does “Office building” mean for this parcel?
The New York City roll classifies BBL 1005540035 as “Office building” (use code O6). BuildingCensus includes a parcel in its office census when the roll gives it an office-class use, so the label is the county's, not an inference.
Frequently asked questions
Who owns 51 ASTOR PLACE?
The recorded owner on the New York City assessment roll (current) is COOPER UNION FOR THE ADVANCEMENT OF SCIE NCE & ART.
How big is 51 ASTOR PLACE?
The New York City roll records 385,831 sq ft of building area, 14 floors, a build year of 2012. It sits on a 36,003 sq ft lot.
What is the assessed value of 51 ASTOR PLACE?
$113,000,000 on the New York City roll. Assessed values are taxable-roll figures, not market prices.
What is the BBL for 51 ASTOR PLACE?
BBL 1005540035, site address 51 ASTOR PLACE, Manhattan. It is the key to look the parcel up in the Department of City Planning PLUTO extract and Department of Finance rolling sales (New York City).
More around 51 ASTOR PLACE
Everything here comes from public records, and public records go stale. If you know better, say so.
Data provenance — public records only
- New York City — Department of City Planning PLUTO extract and Department of Finance rolling sales. The city publishes no owner mailing address, so landlord portfolios cannot be grouped here, and its business licences cover regulated trades rather than office tenants.
Every fact on this page is drawn from the government records above — no listing sites, no scraped platforms, no third-party images. Facts from public records are uncopyrightable; each tenancy row carries its source and match confidence. Records can lag reality — a business-tax receipt or registration at an address is evidence of occupancy, not a lease confirmation.
Working with New York office parcels? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
Dataset updated . Source: New York City assessment roll, BBL 1005540035.
About this data
Source: Department of City Planning PLUTO extract and Department of Finance rolling sales (New York City), as published September 11, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “51 ASTOR PLACE, Manhattan, NY (BBL 1005540035)”, https://buildingcensus.com/offices/nyc/office-building-1504a6b2 (data as of September 11, 2026).