# 910 Riverside Drive, Manhattan

Apartment building · 65 units · built c. 1922 · Block 2136, Lot 170.

On Umarelli: https://umarelli.org/nyc/1021360170/910-riverside-drive

More construction in Washington Heights: https://umarelli.org/nyc/manhattan/washington-heights.md

Every lot on block 2136: https://umarelli.org/nyc/manhattan/2136.md

## Building permits

- Alteration, filed Dec 23, 2025, estimated cost $15K, 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 Feb 9, 2023, estimated cost $15K, 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 Apr 9, 2022, estimated cost $5K, described as “AT&T - Installation of additional antennas on the roof. Retrofit of existing cabinet on the existing equipment platform on the roof. All work is in compliance with TPPN 5/98. No change to occupancy, use or egress.”
- Alteration, filed Aug 6, 2021, estimated cost $17K, described as “Clearwire- Decommission of existing telecommunications site. Removal of antennas, RRUs, mw antenna with related equipment on the roof. Removal of dunnage platform with related cabinets and cabling/conduits from roof to cellar.”
- Alteration, filed May 26, 2020, estimated cost $24K, described as “AT&T - Replacement of existing antenna, relocation of existing antenna sector and RRH units. Installation of new RRH units on the roof. Replacement and installation of cabinets on the existing platform on the roof. No change to occupancy,…”
- Alteration, filed Mar 5, 2018, estimated cost $17K, described as “Replacement of existing telecommunications antennas with replacement of related RRH units on roof. Removal, installation, and retrofit of cabinets on the existing equipment platform on roof. All work in compliance with TPPN 5/98. No change…”

## Property taxes

- Assessment: $2,780,100
- 2026–27 tax: $320,271
- Market value (city estimate): $6,178,000
- Taxable value: $2,574,730
- Assessed land: $292,500
- Assessed improvements: $2,487,600

## Zoning

R8: floor area ratio 5.44 built, 6.02 allowed by base zoning.

## Flood zone

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

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