434 Park Avenue South
BBL 1008590048Midtown South-Flatiron-Union Square · Manhattan
Floors
16
Built
1913
Area
145.4ksf
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
- 434 PARK AVENUE SOUTH
- Alternate address(es)
- 46-52 East 30 St436-440 Park Ave South
- Zip code
- 10016
- Neighborhood
- Midtown South-Flatiron-Union Square
- Borough
- Manhattan
- Block & lot
- 00859-0048
Zoning & buildable
Lot 9,350 sf · C6-4A
- Zoning district
- C6-4A
- PLUTO building class
- O6
FAR breakdown & buildable envelope — residential, commercial and community-facility headroom math in the full report.
Sign in to see itOwnership
PLUTO · owner of record
440 REALTY CO
- Ownership form
- Other
- Last recorded sale
- None since 2000
Ownership history · 1 record since 2005 — 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.
- 145,437
- PLUTO class
- O6
Lot
PLUTO · DOF parcel geometry
- Lot area
- 9,350 sf
- Dimensions
- 90.0 × 100.0 ft
- Position
- Corner lot
- Front street
- E 30 ST
- Side street
- PARK AVE S
- D/F ratio
- 1.1 — shallow lot (atypical for NYC)
Financial
NYC Department of Finance · assessment + last recorded sale
- Total assessment
- $22.0M
- Land value
- $5.3M
- $/sf (implied)
- $151
Debt history · 3 mortgages on record — lenders, amounts and maturity timing in the full report.
Sign in to see itCompliance
HPD & DOB · violations + complaints + jobs
Minor activity
4 open HPD violations · 0 open HPD complaints · 2 active DOB jobs
- HPD violations (24 months)
- 0
- DOB violations (24 months)
- 1
- HPD complaints (24 months)
- 0
- HPD complaints (open)
- 0
- DOB jobs (24 months)
- 3
$838K 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.