1 East 66 Street
BBL 1013810001Upper East Side-Carnegie Hill · Manhattan
Floors
18
Built
1948
Area
153.5ksf
Units
77
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Address
PLUTO · DOF parcel identity
- Property address
- 1 EAST 66 STREET
- Alternate address(es)
- 850-853 5 Ave
- Zip code
- 10065
- Neighborhood
- Upper East Side-Carnegie Hill
- Borough
- Manhattan
- Block & lot
- 01381-0001
Zoning & buildable
Lot 12,552 sf · R10
- Zoning district
- R10
- Special district
- PI
- Landmark
- Upper East Side Historic District
- PLUTO building class
- D4
Upper East Side Historic District — LPC approval required for exterior changes visible from a public right-of-way.
Special District PI — 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
1 EAST 66TH STREET 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
77residential unitsnon-stabilized
- Residential sq. ft.
- 153,525
- Commercial sq. ft.
- 0
- PLUTO class
- D4
Lot
PLUTO · DOF parcel geometry
- Lot area
- 12,552 sf
- Dimensions
- 100.4 × 125.0 ft
- Position
- Mid-block · north side
- Front street
- E 66 ST
- D/F ratio
- 1.2 — shallow lot (atypical for NYC)
Financial
NYC Department of Finance · assessment + last recorded sale
- Total assessment
- $18.7M
- Land value
- $5.0M
- $/sf (implied)
- $122
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
0 open HPD violations · 0 open HPD complaints · 7 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)
- 9
$2.5M 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.