135 William Street, Manhattan
A 1905 elevator apartment building on William Street with 33 residential units on record, zoned C6-4.
135 William Street is an elevator apartment building in Manhattan, New York City (BBL 1000780001). The property is zoned C6-4, on a 3,718 sq ft lot, with 16 floors and 33 residential units. It was built in 1905. The lot is not inside a FEMA Special Flood Hazard Area.
Property facts
| BBL | 1000780001 |
|---|---|
| Borough | Manhattan — Community District 1 |
| Neighborhood | Financial District-Battery Park City |
| ZIP code | 10038 |
| Zoning district | C6-4 |
| Building class | D7 — elevator apartment building (what’s a building class?) |
| Land use | 04 — Mixed residential & commercial buildings |
| Lot area | 3,718 sq ft |
| Floors | 16 |
| Residential units | 33 |
| Year built | 1905 |
| FAR | 20.71 built · 10 max residential · 10 max commercial Learn: What is FAR? |
| Flood zone | Not in a FEMA Special Flood Hazard Area |
Public records
No open violations on record for this lot.
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.