520 West 23 Street
BBL 1006940042Chelsea-Hudson Yards · Manhattan
Floors
15
Built
2003
Area
95.7ksf
Units
107
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Address
PLUTO · DOF parcel identity
- Property address
- 520 WEST 23 STREET
- Alternate address(es)
- 514-518 West 23 St522 West 23 St
- Zip code
- 10011
- Neighborhood
- Chelsea-Hudson Yards
- Borough
- Manhattan
- Block & lot
- 00694-0042
Zoning & buildable
Lot 12,125 sf · C6-3A
- Zoning district
- C6-3A
- Special district
- WCh
- PLUTO building class
- D4
Special District WCh — 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
OLD POST MANDE 23RD STREET LLC
- Ownership form
- Co-op
- Co-op
- Building-level ownership · units are shares, not lots
- Legal structure
- LLC
- Last recorded sale
- 4.5 yrs ago (Dec 2021)
Ownership history · 5 records since 2000 — the parties, amounts, and connected properties in the full report.
Sign in to see itTenancy & use
PLUTO units + DHCR rent-stabilization roll
107residential unitsnon-stabilized
- Residential sq. ft.
- 91,431
- Commercial sq. ft.
- 4,225
- PLUTO class
- D4
Lot
PLUTO · DOF parcel geometry
- Lot area
- 12,125 sf
- Dimensions
- 122.5 × 98.8 ft
- Position
- Mid-block · south side
- Front street
- W 23 ST
- D/F ratio
- 0.8 — shallow lot (atypical for NYC)
Financial
NYC Department of Finance · assessment + last recorded sale
- Total assessment
- $18.1M
- Land value
- $540K
- Exempt
- $9K($18.1M taxable)
- $/sf (implied)
- $189
Last recorded sale
$26,750,000 · Dec 2021
Debt history · 2 mortgages on record · refinance-window signal detected — lenders, amounts and maturity timing in the full report.
Sign in to see itCompliance
HPD & DOB · violations + complaints + jobs
Clean record
0 open HPD violations · 0 open HPD complaints · 0 active DOB jobs
- HPD violations (24 months)
- 0
- DOB violations (24 months)
- 0
- HPD complaints (24 months)
- 0
- HPD complaints (open)
- 0
- DOB jobs (24 months)
- 0
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.