# 52 Riverside Drive, Manhattan

Co-op · 49 units · built c. 1926 · Block 1186, Lot 51.

On Umarelli: https://umarelli.org/nyc/1011860051/52-riverside-drive

More construction in Upper West Side: https://umarelli.org/nyc/manhattan/upper-west-side.md

Every lot on block 1186: https://umarelli.org/nyc/manhattan/1186.md

## Building permits

- Alteration, filed Jun 17, 2026, estimated cost $165K, described as “Prop. interior alteration within Co-Op Unit 6A as per plans, including installation of two through-wall air-conditioning sleeves below existing windows. No change to use, occupancy, egress, or building systems.”
- Alteration, filed Mar 6, 2026, estimated cost $374K, described as “Renovation of existing apartment 15BC on 014TH floor. Work includes replacement of ac units, minor non-structural partition work, new finishes, and replacement of existing windows in present masonry openings. No change in use, egress, or…”
- Alteration, filed Jun 20, 2025, described as “Rigging for Industrial Rope Access”
- Alteration, filed Feb 7, 2025, estimated cost $44K, described as “Interior renovation of apartment 2A on the second floor. No change in use, egress, or occupancy.”
- Alteration, filed Aug 7, 2020, estimated cost $8K, described as “Bathroom Renovation Project in an existing class 'A' apartment. As per plans filed herewith no change to use, occupancy or egress.”
- Alteration, filed Jan 16, 2020, 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.”

## Property taxes

- Assessment: $6,232,050
- 2026–27 tax: $636,352
- Market value (city estimate): $13,849,000
- Taxable value: $6,022,677
- Assessed land: $1,234,350
- Assessed improvements: $4,997,700

## Tax breaks

- Co-op and condo abatement, with no end date, a $113,006 credit this tax year.

## Zoning

R10A (part of the lot is R8B): floor area ratio 10.58 built, above the 10.00 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- Nov 15, 2024: $3,606,250
- Nov 7, 2024: $2,860,915
- Jun 11, 2024: $3,495,000
- Apr 29, 2024: $2,075,000
- Mar 26, 2024: $2,200,000
- Jun 29, 2023: $995,000
- Sep 7, 2022: $1,320,000
- Aug 4, 2022: $475,000
- Nov 30, 2021: $510,000
- Mar 10, 2021: $465,000

The 10 most recent of 23 open-market sales since 2016, from the Department of Finance’s sales files.

## Flood zone

Current FEMA flood map: zone X, minimal flood hazard.

## Landmarks

Part of West End-Collegiate Historic District Extension (Historic District). 23 Landmarks Preservation Commission permits are on file.

From New York City and Jersey City public records, refreshed within a day of each release. Sources: https://umarelli.org/sources. Methodology and corrections: https://umarelli.org/methodology