643 Greenwich Street, Manhattan
Co-op · 33 units · built 2015 · Block 605, Lot 1.
Building permits
- Alteration, filed Sep 3, 2026, estimated cost $636K, described as “Herewith filing for interior renovation of apt. 7A/8A as per plans filed herewith. No change in use, occupancy or egress.”
- Alteration, filed Jul 27, 2026, described as “Installation of temporary sidewalk shed as per plans. No change in use, egress or occupancy.”
- Alteration, filed Sep 5, 2023, estimated cost $13K, described as “Filing for plumbing work as per plans filed”
- Alteration, filed Aug 29, 2023, estimated cost $30K, described as “Renovate existing existing apartment unit as per plans filed”
Property taxes
- Assessment
- $15,125,400
- 2026–27 tax
- $97,667
- Market value (city estimate)
- $33,612,000
- Taxable value
- $785,168
- Assessed land
- $793,800
- Assessed improvements
- $14,331,600
Tax breaks
- 421-a exemption, through Jun 30, 2038, about $1,783,781 a year below the full tax.
Zoning
R6: floor area ratio 9.18 built, above the 2.43 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jul 31, 2026: $7,192,000
- Jul 9, 2026: $5,550,000
- Mar 31, 2026: $14,500,000
- Jul 29, 2025: $4,200,000
- Jul 1, 2025: $4,900,000
- Jun 26, 2025: $5,300,000
- Aug 15, 2023: $4,990,000
- Jul 24, 2023: $7,500,000
- Jun 14, 2023: $4,999,999
- May 17, 2023: $4,400,000
The 10 most recent of 24 open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Greenwich Village Historic District (Historic District). 14 Landmarks Preservation Commission permits are on file.