Interactive parcel map & FAR massing
Lot outlines, neighboring parcels and the buildable-envelope ghost volume render here for signed-in readers.
Sign in
521 EAST 72 STREET

You're reading the public record. The full report adds the ownership network, development math, and debt history.

Create free account

521 East 72 Street

BBL 1014840014
Upper East Side-Lenox Hill-Roosevelt Island · Manhattan
Floors
11
Built
1920
Area
109.2ksf
Units
15

Ask Brick about this building

AI answers · grounded in the full record

Brick's analyst reads the complete dossier — the ownership network, the development math, the debt history — and answers in plain English.

Address

PLUTO · DOF parcel identity
Property address
521 EAST 72 STREET
Alternate address(es)
523 East 72 St
520-522 East 73 St
Zip code
10021
Neighborhood
Upper East Side-Lenox Hill-Roosevelt Island
Borough
Manhattan
Block & lot
01484-0014

Zoning & buildable

Lot 10,216 sf · M1-4 / R10
Zoning district
M1-4 / R10
PLUTO building class
O9

FAR breakdown & buildable envelope — residential, commercial and community-facility headroom math in the full report.

Sign in to see it

Ownership

PLUTO · owner of record
521 EAST 72ND ST. REALTY COMPANY II, L.L .C.
Ownership form
Other
Last recorded sale
None since 2000

Ownership history · 1 record since 2017 — the parties, amounts, and connected properties in the full report.

Sign in to see it

Tenancy & use

PLUTO units + DHCR rent-stabilization roll
15residential units1 rent-stabilized · 7%
Residential sq. ft.
30,108
Commercial sq. ft.
79,077
PLUTO class
O9
Rent stabilization constrains repositioning — buy-outs typically required to convert stabilized units to market-rate.

Stabilization history on file — the year-by-year DHCR roll, peak unit count and trend are in the full report.

Sign in to see it

Lot

PLUTO · DOF parcel geometry
Lot area
10,216 sf
Dimensions
50.0 × 204.3 ft
Position
Mid-block · south side
Front street
E 73 ST
D/F ratio
4.1 deep lot (atypical — possible corner or oversize)

Financial

NYC Department of Finance · assessment + last recorded sale
Total assessment
$29.5M
Land value
$10.9M
$/sf (implied)
$270

Debt history · 2 mortgages on record · refinance-window signal detected — lenders, amounts and maturity timing in the full report.

Sign in to see it

Compliance

HPD & DOB · violations + complaints + jobs
Significant violations
15 open HPD violations · 0 open HPD complaints · 4 active DOB jobs
HPD violations (24 months)
0
DOB violations (24 months)
2
HPD complaints (24 months)
2
HPD complaints (open)
0
DOB jobs (24 months)
4
$1.1M in alteration permits over last 24 months

Provenance

Every datum on this page is sourced from public NYC + federal datasets, refreshed on the schedule below.
SourceWhat it coversLast refresh
PLUTONYC DCP · physical / zoning / ownership baselineJul 9, 2026
ACRISNYC DOF · deed + mortgage historyJul 9, 2026
HPDHousing Preservation & Development · violations + complaintsJul 9, 2026
DOBDepartment of Buildings · violations + permitsJul 9, 2026
DHCRRent Stabilization roll (through 2024)Jul 9, 2026
LPCLandmarks Preservation Commission · landmark statusnot loaded
FootprintNYC DoITT photogrammetric building polygonsnot loaded
Assembled at Jul 9, 2026. Discrepancies between sources reflect upstream-data quality, not assembly bugs — file in our quality tracker.

Data from NYC public records — Department of City Planning (PLUTO), ACRIS, HPD, DOB, DHCR and LPC. Presented for research; verify independently before relying on it.

Brick — the real estate research OS.