# 23 Riverside Drive, Manhattan

Apartment building · 9 units · built c. 1897 · Block 1184, Lot 62.

On Umarelli: https://umarelli.org/nyc/1011840062/23-riverside-drive

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

Every lot on block 1184: https://umarelli.org/nyc/manhattan/1184.md

## Building permits

- Alteration, filed Aug 6, 2024, estimated cost $16K, described as “Create new accesory tenant's laundry at the basement level. New co will be obtained.”
- Alteration, filed Jun 12, 2023, estimated cost $81K, described as “Remodel apt c on the bas level, apt 1B on the first floor, apt 3A rear apt on the third floor. No change in use, egress or occupancy.”
- Alteration, filed Jul 12, 2022, estimated cost $10K, described as “Alteration to the areaway and stoop. No change in use, egress or occupancy.”

## Property taxes

- Assessment: $2,559,600
- 2026–27 tax: $74,024
- Market value (city estimate): $5,688,000
- Taxable value: $595,095
- Assessed land: $396,900
- Assessed improvements: $2,162,700

## Zoning

R10A: floor area ratio 2.70 built, 10.00 allowed by base zoning.

## Flood zone

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

## Landmarks

Part of West End - Collegiate Historic District (Historic District). 8 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