923 5 Avenue
BBL 1013887501Upper East Side-Carnegie Hill · Manhattan
Floors
20
Built
1951
Area
148.6ksf
Units
96
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Address
PLUTO · DOF parcel identity
- Property address
- 923 5 AVENUE
- Zip code
- 10021
- Neighborhood
- Upper East Side-Carnegie Hill
- Borough
- Manhattan
- Block & lot
- 01388-7501
Zoning & buildable
Lot 14,800 sf · R10 / R8B
- Zoning district
- R10 / R8B
- Special district
- PI
- Limited height district
- LH-1A
- Landmark
- Upper East Side Historic District
- PLUTO building class
- RM
Upper East Side Historic District — LPC approval required for exterior changes visible from a public right-of-way.
Limited Height District LH-1A — caps total building height regardless of FAR. Verify cap before underwriting any expansion.
Special District PI — district-specific bulk and use rules may override the base FAR analysis.
FAR breakdown & buildable envelope — residential, commercial and community-facility headroom math in the full report.
Sign in to see itOwnership
PLUTO · owner of record
AMERICAN LANDMARK MANAGEMENT CO INC
- Ownership form
- Condo
- Condo
- 101 unit lots
- Last recorded sale
- None since 2000
Tenancy & use
PLUTO units + DHCR rent-stabilization roll
96residential unitsnon-stabilized
- Residential sq. ft.
- 129,553
- Commercial sq. ft.
- 19,033
- PLUTO class
- RM
Lot
PLUTO · DOF parcel geometry
- Lot area
- 14,800 sf
- Dimensions
- 97.0 × 150.0 ft
- Position
- Mid-block · north side
- Front street
- E 73 ST
- D/F ratio
- 1.5 — typical NYC block geometry
Financial
NYC Department of Finance · assessment + last recorded sale
- Total assessment
- $21.7M
- Land value
- $7.5M
- Exempt
- $139K($21.5M taxable)
- $/sf (implied)
- $146
Compliance
HPD & DOB · violations + complaints + jobs
Minor activity
0 open HPD violations · 0 open HPD complaints · 12 active DOB jobs
- HPD violations (24 months)
- 1
- DOB violations (24 months)
- 0
- HPD complaints (24 months)
- 0
- HPD complaints (open)
- 0
- DOB jobs (24 months)
- 18
$2.4M 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.
| Source | What it covers | Last refresh |
|---|---|---|
| PLUTO | NYC DCP · physical / zoning / ownership baseline | Jul 9, 2026 |
| ACRIS | NYC DOF · deed + mortgage history | Jul 9, 2026 |
| HPD | Housing Preservation & Development · violations + complaints | Jul 9, 2026 |
| DOB | Department of Buildings · violations + permits | Jul 9, 2026 |
| DHCR | Rent Stabilization roll (through 2024) | Jul 9, 2026 |
| LPC | Landmarks Preservation Commission · landmark status | not loaded |
| Footprint | NYC DoITT photogrammetric building polygons | not loaded |
Assembled at Jul 9, 2026. Discrepancies between sources reflect upstream-data quality, not assembly bugs — file in our quality tracker.