52 East 64th Street, Manhattan
Apartment building · 4 units · built c. 1879 · Block 1378, Lot 41.
Building permits
- Alteration, filed Jul 6, 2026, estimated cost $803K, described as “Filing for new 4" concrete slab-on-grade at cellar and new steel framing throughout upper floors and roof. No change to use, egress, or occupancy.”
- Alteration, filed Apr 14, 2026, described as “Installation of temporary construction fence per plan submitted. Work shall comply with 2022 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed Apr 2, 2026, described as “Installation of temporary heavy duty sidewalk shed and supported scaffold per plan submitted. Work shall comply with 2022 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed Apr 2, 2026, estimated cost $10K, described as “Installation of temporary Site Specific Engineered Enclosure System at rear of building per plan submitted. Work shall comply with 2022 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed Jan 28, 2026, estimated cost $10K, described as “Installation of temporary Site Specific Engineered Enclosure System at rear of building per plan submitted. Work shall comply with 2022 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed Jan 28, 2026, described as “Installation of temporary supported scaffold at rear of the building per plan submitted. Work shall comply with 2022 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed Dec 18, 2025, estimated cost $95K, described as “Partial demolition - removal of rear extension at basement, 1ST thru 4TH floors of existing bldg. In conjunction with alt type 1 filing #M01208264. No change to use, egress, or occupancy.”
- Major Renovation — Residential, filed Jul 22, 2025, estimated cost $2.4M, 1 unit in all, 6 stories, described as “Application is filed for a 1-story vertical extension of an existing 5-story & Cellar bldg. Conversion of the basement from a medical office to extension of residential floor area, and change in Use from multiple dwellings to a…”
- Alteration, filed Mar 28, 2025, estimated cost $5K, described as “Build a mock-up Build a mock-up of the elevator/stair bulkheads on the roof in answer to LPC comments”
- Alteration, filed Feb 13, 2025, estimated cost $54K, described as “Application filed for emergency repairs to foundation support via remediation. No change to use, egress, bulk, or occuanycy.”
Property taxes
- Assessment
- $4,063,050
- 2026–27 tax
- $278,882
- Market value (city estimate)
- $9,029,000
- Taxable value
- $2,242,000
- Assessed land
- $1,368,000
- Assessed improvements
- $2,695,050
Zoning
R8B: floor area ratio 4.35 built, above the 4.00 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Dec 13, 2024: $6,600,000
- Jan 4, 2024: $1,680,927
- May 4, 2017: $13,000,000
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Upper East Side Historic District (Historic District). 13 Landmarks Preservation Commission permits are on file.
Board and land use applications
- 52 E64TH ST (City Planning P2001M0396): Completed, decided Sep 11, 2002. 01DCP075M: SPECIAL PERMIT TO MODIFY SECTION 22-10 TO PERMIT THE LEGALIZ ATION OF A VETERINARY OFFICE ON THE 1ST FLOOR AND BASEMENT O F A 4-STORY TOWNHOUSE WITH A BASEMENT