631 Hudson Street, Manhattan
Co-op · 261 units · built 1964 · Block 626, Lot 12.
Building permits
- Alteration, filed Nov 3, 2026, estimated cost $56K, described as “No change in bulk, floor area or occupancy to this application. Proposed renovation of penthouse floor. Apt. Pha of an existing 19 story building scope of work of interior renovation to include partitions, doors and finishes and lighting.”
- Alteration, filed Nov 3, 2026, estimated cost $9K, described as “Removal and installation of new plumbing fixtures and associated piping.”
- Alteration, filed Sep 30, 2026, estimated cost $199K, described as “Filing herewith kitchen and bathroom renovation with the removal and installation of fixtures in kind as shown on the drawings. No change to use, egress or occupancy.”
- Alteration, filed Aug 21, 2026, estimated cost $75K, described as “It is proposed to renovate existing kitchen & bathroom in apt-8E on 8TH floor. Replace plumbing fixtures & appliance. No change in use, egress or occupancy.”
- Alteration, filed Jul 22, 2026, estimated cost $82K, described as “Combine apts 12H & 12J per tppn 3/97; interior renovation, new penetration through non-load bearing partition;.no work to exg apt #12J; remove existing kitchen. (total sf apt 12H 546 sf apt 12J (no work) 1110 sf) no change to use, egress…”
- Alteration, filed May 12, 2026, estimated cost $6K, described as “Minor interior renovation of existing apartment unit as per plan submitted herewith. No change in use, egress, or occupancy under this application”
- Alteration, filed Dec 8, 2025, estimated cost $15K, described as “Minor renovation of existing apartment 4P. no change to use, egress or occupancy”
- Alteration, filed Sep 25, 2025, estimated cost $15K, described as “Replace and relocate plumbing fixtures according to drawings. No change to use or egress”
- Alteration, filed Sep 25, 2025, estimated cost $85K, described as “Interior Partition Changes, New Flooring Installed. No Changes to Layout or Use. No Exterior Work.”
- Alteration, filed Aug 25, 2025, estimated cost $147K, described as “Install (1) new gas fired domestic hot water heater with (2) new storage tanks. Reconnect low pressure gas line. No change in means of egress, use group or occupancy.”
- Alteration, filed Aug 21, 2025, estimated cost $86K, described as “Garage repairs as shown on the drawings filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed Jul 7, 2025, estimated cost $15K, described as “Replace and relocate plumbing fixtures according to drawings. No change to use or egress”
- Alteration, filed Jul 7, 2025, estimated cost $160K, described as “Interior partition changes, installed flooring. No exterior work. No changes to layout, Egress, or use”
- Alteration, filed Jun 3, 2025, estimated cost $15K, described as “Replace and relocate plumbing fixtures according to drawings. No change to use or egress”
- Alteration, filed Jun 3, 2025, estimated cost $160K, described as “Interior Partition Changes, New Flooring Installed. No Changes to Layout or Use. No Exterior Work.”
- Alteration, filed Jan 9, 2025, estimated cost $67K, described as “Interior renovation of apt #4E per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed Oct 11, 2024, estimated cost $5K, described as “Installation of a pipe scaffold”
- Alteration, filed Oct 2, 2024, described as “Installation of temporary suspended scaffold equipment”
- Alteration, filed Sep 11, 2024, estimated cost $5K, described as “Installation of a heavy duty sidewalk shed to include storage”
- Alteration, filed Aug 29, 2024, estimated cost $100K, described as “Hereby filing for renovation on 10TH floor apartment #10E. No change in use occuapncy or egress.”
- Alteration, filed Jul 24, 2024, described as “Installation of temporary suspended scaffold equipment”
- Alteration, filed Jul 22, 2024, estimated cost $3.8M, described as “Miscellaneous facade, roof and terrace restoration as per plans. No change in use, egress or occupancy.”
- Alteration, filed May 18, 2024, estimated cost $126K, described as “Renovation of Existing Bathroom and Kitchen in Apt. 15G. Installation of new Built-in Cabinetry, and Minor Alterations as noted on Plans. No change in Use, Egress, or Occupancy.”
- Alteration, filed May 9, 2024, estimated cost $60K, described as “Architectural modifications to unit 2H as per plans. No change in use, egress or occupancy.”
- Alteration, filed Apr 23, 2024, estimated cost $189K, described as “Interior renovation with no removal of load bearing walls including flooring, bathroom, kitchen and closets. NO CHANGE IN USE, EGRESS, AND OCCUPANCY INVOLVED UNDER THIS APPLICATION.”
36 more, older permits are in this building’s full list on the map.
Property taxes
- Assessment
- $34,503,750
- 2026–27 tax
- $3,476,400
- Market value (city estimate)
- $76,675,000
- Taxable value
- $32,588,230
- Assessed land
- $3,870,000
- Assessed improvements
- $30,633,750
Tax breaks
- Co-op and condo abatement, with no end date, a $580,323 credit this tax year.
Zoning
C1-6: floor area ratio 15.72 built, above the 3.44 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Sep 2, 2026: $4,995,000
- Aug 21, 2026: $660,000
- Jul 27, 2026: $1,450,000
- Jul 1, 2026: $1,765,969
- Jun 15, 2026: $2,475,000
- May 7, 2026: $835,000
- May 6, 2026: $2,774,731
- May 5, 2026: $800,000
- Apr 7, 2026: $1,840,000
- Mar 30, 2026: $1,615,000
The 10 most recent of 113 open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Greenwich Village Historic District (Historic District). 50 Landmarks Preservation Commission permits are on file.