31 Union Square
BBL 1008440017Midtown South-Flatiron-Union Square · Manhattan
Floors
16
Built
1902
Area
138.8ksf
Units
82
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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
- 31 UNION SQUARE
- Alternate address(es)
- 19-23 East 16 St31 Union Sq West
- Zip code
- 10003
- Neighborhood
- Midtown South-Flatiron-Union Square
- Borough
- Manhattan
- Block & lot
- 00844-0017
Zoning & buildable
Lot 7,175 sf · C6-2A / C6-4
- Zoning district
- C6-2A / C6-4
- Special district
- US
- Landmark
- INDIVIDUAL LANDMARK
- PLUTO building class
- D6
INDIVIDUAL LANDMARK — LPC approval required for any vertical expansion or significant alteration.
Special District US — 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
DAVID ELLIS REAL ESTATE, L.P.
- Ownership form
- Rental
- Last recorded sale
- None since 2000
Ownership history · 2 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
82residential units9 rent-stabilized · 11%
- Residential sq. ft.
- 123,600
- Commercial sq. ft.
- 15,200
- PLUTO class
- D6
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 itLot
PLUTO · DOF parcel geometry
- Lot area
- 7,175 sf
- Dimensions
- 32.5 × 200.0 ft
- Position
- Corner lot
- Front street
- E 16 ST
- Side street
- UNION SQ W
- D/F ratio
- 6.2 — deep lot (atypical — possible corner or oversize)
Financial
NYC Department of Finance · assessment + last recorded sale
- Total assessment
- $17.7M
- Land value
- $1.2M
- $/sf (implied)
- $127
Compliance
HPD & DOB · violations + complaints + jobs
Significant violations
25 open HPD violations · 0 open HPD complaints · 7 active DOB jobs
- HPD violations (24 months)
- 2
- DOB violations (24 months)
- 0
- HPD complaints (24 months)
- 0
- HPD complaints (open)
- 0
- DOB jobs (24 months)
- 10
$1.9M 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.