165 East 66th St, Manhattan
A condominium rising 20 floors on East 66th St, built in 1957, zoned C1-9.
165 East 66th St is a condominium in Manhattan, New York City (BBL 1014017501). The property is zoned C1-9, on a 20,083 sq ft lot, with 20 floors and 158 residential units. It was built in 1957. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 3 open building violations for this lot as of 2026-07-05.
Property facts
| BBL | 1014017501 |
|---|---|
| Borough | Manhattan — Community District 8 |
| Neighborhood | Upper East Side-Carnegie Hill |
| ZIP code | 10065 |
| Zoning district | C1-9 |
| Building class | RM — condominium (what’s a building class?) |
| Land use | 04 — Mixed residential & commercial buildings |
| Lot area | 20,083 sq ft |
| Floors | 20 |
| Residential units | 158 |
| Year built | 1957 |
| FAR | 13.57 built · 10 max residential · 2 max commercial Learn: What is FAR? |
| Flood zone | Not in a FEMA Special Flood Hazard Area |
Public records
- 1 open Department of Buildings violation
- 2 open ECB (OATH) violations — $3,780 in penalties due
- 0 open Housing Preservation & Development violations
Violation counts as of 2026-07-05.
Absence of a record means none on file in NYC municipal records — not a certification of compliance.
The complete dossier also covers:
- Buildable floor area (residential & commercial)
- Recorded ownership & last sale
- Recorded mortgages & open debt stack
- LL97 carbon exposure by compliance period
- Flood coverage percentage & base flood elevation
- Climate projections for this lot
- Open permits & construction pipeline
- Distress signal convergence
- Air rights & transferable development rights
- Comparable sales (Pro)
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Data: NYC municipal records (Departments of City Planning, Buildings, Finance) and FEMA. See our sources and methodology. Data as of 2026-07-11.