642 9th Avenue, Manhattan
Apartment building · 16 units · built c. 1920 · Block 1036, Lot 1.
Building permits
- Alteration, filed Jan 29, 2026, estimated cost $34K, described as “Job filed interior renovation of commercial store including new counter and cooking equipment, new floor tile and new paint as per plan. No change of use, egress, or occupancy under this application.”
- Alteration, filed Jan 8, 2026, estimated cost $75K, described as “Filing for faCade repairs work that includes repair of masonry parapet wall(s), replacement of cracked brickwork, replacement of windowsills, repair of eroded mortar joints, and miscellaneous masonry repairs throughout facades, etc”
- Alteration, filed Oct 17, 2025, estimated cost $15K, described as “Proposed installation of heavy duty sidewalk shed as per plans. Live load 300 lbs per square feet. Sidewalk shed shall comply with chapter #33 of the NYC building code. No change in use, occupancy, or egress under this application.”
- Alteration, filed Aug 22, 2023, estimated cost $48K, described as “T-Mobile: Relocation of antenna sectors with installation/removal of antennas, removal of RRUs and installation/removal of cabinets on the existing equip platform on the roof. All work is in compliance with TPPN 5/98. No change in use,…”
- Alteration, filed Aug 27, 2020, estimated cost $6K, described as “Install new kitchen exhaust system , hood and duct for existing deli . No change in use , egress or occupancy.”
Property taxes
- Assessment
- $3,109,950
- 2026–27 tax
- $340,133
- Market value (city estimate)
- $6,911,000
- Taxable value
- $2,734,410
- Assessed land
- $405,000
- Assessed improvements
- $2,704,950
Zoning
R8: floor area ratio 4.74 built, 6.02 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.