23 Thompson Street, Manhattan
A 1900 walk-up apartment building on Thompson Street carrying 6.11 FAR of unused commercial development rights on record under its M1-6/R10 zoning.
23 Thompson Street is a walk-up apartment building in Manhattan, New York City (BBL 1004760042). The property is zoned M1-6/R10, on a 3,900 sq ft lot, with 6 floors and 30 residential units. It was built in 1900. The lot is inside a FEMA Special Flood Hazard Area. NYC municipal records show 17 open building violations for this lot as of 2026-07-05.
Property facts
| BBL | 1004760042 |
|---|---|
| Borough | Manhattan — Community District 2 |
| Neighborhood | SoHo-Little Italy-Hudson Square |
| Zoning district | M1-6/R10 |
| Building class | C7 — walk-up apartment building (what’s a building class?) |
| Land use | 04 — Mixed residential & commercial buildings |
| Lot area | 3,900 sq ft |
| Floors | 6 |
| Residential units | 30 |
| Year built | 1900 |
| FAR | 3.89 built · 10 max residential · 10 max commercial Learn: What is FAR? |
| Flood zone | In a FEMA Special Flood Hazard Area |
Public records
- 0 open Department of Buildings violations
- 3 open ECB (OATH) violations — $1,250 in penalties due
- 14 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)
Nearby on this block
Data: NYC municipal records (Departments of City Planning, Buildings, Finance) and FEMA. See our sources and methodology. Data as of 2026-07-11.