634 Washington Street, Manhattan
Co-op · 32 units · built 1975 · Block 604, Lot 14.
Building permits
- Alteration, filed Oct 21, 2026, estimated cost $18K, described as “Water/sanitary plumbing work associated with backflow prevention device as per plans. No change in use, occupancy or egress.”
- Alteration, filed May 5, 2026, estimated cost $120K, described as “In unit 2B on floor 2, removal and installation of non-loadbearing partitions as shown on plans. All plumbing work filed under separate application. No change to egress, use, or occupancy.”
- Alteration, filed Aug 18, 2025, estimated cost $9K, described as “Installation of 300PSF sidewalk shed as per plans. All equipment shall comply with ch #33 of the NYC code 2022. No change in use, occupancy or egress under this application.”
- Alteration, filed Aug 18, 2025, estimated cost $9K, described as “Installation of 300PSF sidewalk shed as per plans. All equipment shall comply with ch #33 of the NYC code 2022. No change in use, occupancy or egress under this application.”
- Alteration, filed Aug 18, 2025, estimated cost $9K, described as “Installation of 300PSF sidewalk shed as per plans. All equipment shall comply with ch #33 of the NYC code 2022. No change in use, occupancy or egress under this application.”
- Alteration, filed Jun 9, 2025, estimated cost $76K, described as “Facade Repairs as per plans filed herewith. No change to use, egress, or occupancy.”
- Alteration, filed Jun 9, 2025, estimated cost $35K, described as “Facade Repairs as per plans filed herewith. No change to use, egress, or occupancy.”
- Alteration, filed May 29, 2025, estimated cost $34K, described as “Facade Repairs as per plans filed herewith. No change to use, egress, or occupancy.”
Property taxes
- Assessment
- $2,881,800
- 2026–27 tax
- $317,380
- Market value (city estimate)
- $6,404,000
- Taxable value
- $2,554,622
- Assessed land
- $435,600
- Assessed improvements
- $2,446,200
Zoning
C1-6A: floor area ratio 3.52 built, 4.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard. FEMA’s preliminary map: zone X, moderate risk: a 0.2% chance of flooding each year.
Recent sales
- Sep 9, 2026: $1,150,000
- Jun 24, 2026: $1,545,000
- Jun 15, 2026: $1,260,000
- Jun 10, 2026: $1,095,000
- Dec 30, 2025: $1,070,000
- Oct 2, 2025: $1,675,000
- Aug 2, 2022: $1,120,000
- Feb 14, 2022: $1,595,000
- Dec 16, 2021: $995,000
- Jun 8, 2020: $65,477,764
The 10 most recent of 15 open-market sales since 2016, from the Department of Finance’s sales files.
Board and land use applications
- 125 Perry St Parking Authorization Renewal (City Planning 2024M0418): Completed, filed Aug 5, 2024, decided Feb 6, 2025. An application for a three-year renewal of a CPC authorization (N 220081 CMM) pursuant to ZR § 11-43 to eliminate required accessory off-street parking in the Manhattan Core is being sought by 125 Owners LLC at 738-742 Greenwich Street…