812 Riverside Drive, Manhattan
Condominium · 41 units · built c. 1920 · Block 2136, Lot 7501.
Building permits
- Alteration, filed Mar 18, 2026, estimated cost $19K, described as “Proposed of brick replacement, re-point mortar and window sil to be done as needed as per plans. No change in use occupancy or egress under this application.”
- Alteration, filed Mar 13, 2026, described as “Outrigger for facade repair.”
- Alteration, filed Apr 29, 2025, estimated cost $140K, described as “Interior renovation of apt. 1 on the 1ST floor. No change to use, egress, or occupancy.”
- Alteration, filed May 11, 2022, estimated cost $5K, described as “Structural work in apt 36”
- Alteration, filed May 30, 2021, estimated cost $9K, described as “Proposed installation of heavy duty sidewalk shed as per plans. Live load 300 per square feet. Sidewalk shed shall comply with chapter # 33 of the 2014 code. No change in use occupancy or egress under this application.”
- Alteration, filed Sep 23, 2020, estimated cost $39K, described as “Filing herewith drawings to propose installation of new gas meters and new gas risers. This application do not require a new or amended certificate of occupancy as there is no change in use, exists or occupancy.”
- Alteration, filed Mar 4, 2020, estimated cost $9K, described as “Plumbing for existing bathroom, reconfigured bathroom and relocated kitchen”
Property taxes
- Assessment
- $2,673,900
- 2026–27 tax
- $295,997
- Market value (city estimate)
- $5,942,000
- Taxable value
- $2,379,581
- Assessed land
- $135,001
- Assessed improvements
- $2,538,899
- Condo units with their own tax lots
- 41
Zoning
R8: floor area ratio 3.95 built, 6.02 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Sep 16, 2026: $654,922, Apt 1
- Jun 6, 2025: $795,000, Apt 41
- Jun 27, 2024: $590,000, Apt 41
- Mar 31, 2023: $3,140,703, Apt 1, sold with other lots
- Dec 17, 2021: $824,000, Apt 31
- Apr 6, 2021: $870,000, Apt 22
- Jun 5, 2020: $460,000, Apt 35
- Sep 20, 2019: $801,500, Apt 43
- May 9, 2019: $699,000, Apt 44
- Jun 9, 2017: $635,000, Apt 36
The 10 most recent of 11 open-market sales since 2016, from the Department of Finance’s sales files.