11 Riverside Drive
BBL 1011840031Upper West Side-Lincoln Square · Manhattan
Floors
19
Built
1950
Area
689.5ksf
Units
636
Ask Brick about this building
AI answers · grounded in the full record
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
- 11 RIVERSIDE DRIVE
- Alternate address(es)
- 13-15 Riverside Dr301-319 West 73 St300-320 West 74 St281-287 West End Ave
- Zip code
- 10023
- Neighborhood
- Upper West Side-Lincoln Square
- Borough
- Manhattan
- Block & lot
- 01184-0031
Zoning & buildable
Lot 76,300 sf · R10A
- Zoning district
- R10A
- Landmark
- West End-Collegiate Historic District Extension
- PLUTO building class
- D4
West End-Collegiate Historic District Extension — LPC approval required for exterior changes visible from a public right-of-way.
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
ELEVEN RIVERSIDE DRIVE CORP
- Ownership form
- Co-op
- Co-op
- Building-level ownership · units are shares, not lots
- Last recorded sale
- None since 2000
Tenancy & use
PLUTO units + DHCR rent-stabilization roll
636residential units11 rent-stabilized · 2%
- Residential sq. ft.
- 646,232
- Commercial sq. ft.
- 43,290
- PLUTO class
- D4
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
- 76,300 sf
- Dimensions
- 208.4 × 393.9 ft
- Position
- Corner lot
- Front street
- W 73 ST
- Side street
- W 74 ST
- D/F ratio
- 1.9 — typical NYC block geometry
Financial
NYC Department of Finance · assessment + last recorded sale
- Total assessment
- $82.6M
- Land value
- $11.7M
- Exempt
- $710K($81.9M taxable)
- $/sf (implied)
- $120
Debt history · 4 mortgages on record — 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 · 15 active DOB jobs
- HPD violations (24 months)
- 0
- DOB violations (24 months)
- 0
- HPD complaints (24 months)
- 1
- HPD complaints (open)
- 0
- DOB jobs (24 months)
- 25
$3.6M 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.