27 West 23 Street
BBL 1008250024Midtown South-Flatiron-Union Square · Manhattan
Floors
6
Built
1881
Area
101.6ksf
Units
0
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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
- 27 WEST 23 STREET
- Alternate address(es)
- 29 West 23 St8-12 West 24 St
- Zip code
- 10010
- Neighborhood
- Midtown South-Flatiron-Union Square
- Borough
- Manhattan
- Block & lot
- 00825-0024
Zoning & buildable
Lot 16,650 sf · M1-8A/R11
- Zoning district
- M1-8A/R11
- Special district
- MSX
- Landmark
- Ladies' Mile Historic District
- PLUTO building class
- W9
Ladies' Mile Historic District — LPC approval required for exterior changes visible from a public right-of-way.
Special District MSX — district-specific bulk and use rules may override the base FAR analysis.
Development headroom detected — the FAR breakdown, max buildable envelope and unused-sf math are in the full report.
Sign in to see itOwnership
PLUTO · owner of record
JOSEPH ROSEN TRUST,JP ROSEN TRUSTEE
- Ownership form
- Other
- Last recorded sale
- None since 2000
Ownership history · 1 record since 2001 — the parties, amounts, and connected properties in the full report.
Sign in to see itTenancy & use
PLUTO units + DHCR rent-stabilization roll
0residential unitsnon-stabilized
- Residential sq. ft.
- 0
- Commercial sq. ft.
- 101,600
- PLUTO class
- W9
Lot
PLUTO · DOF parcel geometry
- Lot area
- 16,650 sf
- Dimensions
- 99.5 × 197.5 ft
- Position
- Mid-block · south side
- Front street
- W 24 ST
- D/F ratio
- 2.0 — typical NYC block geometry
Financial
NYC Department of Finance · assessment + last recorded sale
- Total assessment
- $20.8M
- Land value
- $2.4M
- $/sf (implied)
- $205
Debt history · 1 mortgage 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
Minor activity
0 open HPD violations · 0 open HPD complaints · 12 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)
- 48
$10.0M 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.