644 Riverside Drive, Manhattan
Apartment building · 98 units · built c. 1914 · Block 2088, Lot 114.
Building permits
- Alteration, filed Jun 3, 2026, estimated cost $84K, described as “Minor partition work, new Recycling Room, new concrete slab in Coal Rm, Renovate Toilet Rm (LAA for plumbing filed separately), new metal stairs in Boiler, Coal and Tank Rooms, ceiling repairs, floor repairs, painting.”
- Alteration, filed Mar 11, 2025, estimated cost $1K, described as “Installation of temporary heavy duty sidewalk shed as per plans. No change in use, egress or occupancy. Sidewalk shed shall comply with chapter #33 of 2022 the NYC building code. Live load 300PSF.”
- Alteration, filed Jan 31, 2025, described as “Installation of outrigger & hoist for facade repair & inspection.”
- Alteration, filed Aug 26, 2024, estimated cost $80K, described as “Filing for facade repairs as per plans filed. No change in use, egress or occupancy.”
- Alteration, filed Jun 27, 2024, estimated cost $50K, described as “Replacement of existing roofing plys. Existing roof decking and structure to remain. No change in use, egress or occupancy.”
- Alteration, filed Jun 10, 2024, estimated cost $257K, described as “Structural work filed for ceiling repairs and boiler room ceiling support as per plans filed. No change in use, egress or occupancy.”
- Alteration, filed May 23, 2022, estimated cost $22K, described as “Propose emergency probes/deck repair works, work area is on ceiling area at 12TH fl as shown on apt #12A, 12F, 12G1. No change in use, egress, and occupancy.”
- Alteration, filed Dec 31, 2019, estimated cost $5K, 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 Sep 27, 2019, described as “Installation of temporary sidewalk shed per plan submitted. Work shall comply with 2014 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
Property taxes
- Assessment
- $2,745,450
- Market value (city estimate)
- $6,101,000
- Taxable value
- $0
- Assessed land
- $173,250
- Assessed improvements
- $2,572,200
Tax breaks
- Article XI exemption, through Jun 30, 2043, about $341,507 a year below the full tax.
Zoning
R8: floor area ratio 9.94 built, above the 6.02 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
In the news
Housing Lottery Launches for Park Towers HDFC at 644 Riverside Drive in Hamilton Heights, Manhattan, New York YIMBY, May 20, 2026.