# 33 Riverside Drive, Manhattan

Co-op · 143 units · built c. 1927 · Block 1185, Lot 1.

On Umarelli: https://umarelli.org/nyc/1011850001/33-riverside-drive

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

Every lot on block 1185: https://umarelli.org/nyc/manhattan/1185.md

## Building permits

- Alteration, filed Oct 15, 2026, estimated cost $18K, described as “Minor interior alteration of apartment unit #5D. No change in use, occupancy, or egress.”
- Alteration, filed Dec 9, 2025, estimated cost $40K, described as “Installation of new split system heat pump for apartment 16C.”
- Alteration, filed Aug 5, 2025, estimated cost $100K, described as “Hereby filing for the interior renovation of existing apartment #5A located on the fifth floor. No change to use occupancy or egress.”
- Alteration, filed Jul 8, 2025, described as “FISP INSPECTION (Facade Inspection Safety Program) INDUSTRIAL ROPE ACCESS TECHNIQUES AND METHODS. SEE ATTACHED PLANS. Designated Primary Site supervisor: Jesus Decola”
- Alteration, filed Jun 10, 2025, estimated cost $10K, described as “Interior demolition and minor, non-load-bearing partition work for the combination of units 4DA and 4E. No change to egress, use, occupancy, or the number of dwelling units. Complies with Administrative Code 28-118.3.2 and TPPN #3.”
- Alteration, filed May 23, 2025, estimated cost $452K, described as “Filing for alteration of apartment #17CA on the 17TH fl. Including removal of non-structural partitions, new interior partitions, replacement of windows/ exterior door, and associated plumbing & mechanical work. No change to the use,…”
- Alteration, filed Mar 27, 2025, estimated cost $75K, described as “Hereby filing for the interior renovation of existing apartment #10F, located on the tenth floor. No change to use occupancy or egress.”
- Alteration, filed Nov 23, 2024, estimated cost $175K, described as “Renovate apartment 6F, general construction to include limited removal and construction of non-structural partitions, new lightingthroughout, replacement of appliances and plumbing. No change to use, egress or occupancy”
- Alteration, filed Mar 9, 2024, estimated cost $15K, described as “Minor plumbing work as per plans. No change of use, egress or occupancy under this application.”
- Alteration, filed Mar 7, 2024, estimated cost $121K, described as “Interior renovation of an existing apartment, including minor partition changes as per plans. No change of use, egress or occupancy under this application.”
- Alteration, filed Mar 1, 2024, described as “Supspended scaffold for work access & inspection. Thirdman ltter included. No change in use, egress, or occupancy.”
- Alteration, filed Nov 27, 2023, estimated cost $1K, described as “Pipe scaffold to be installed as per plan. No change in use, egress or occupancy.”
- Alteration, filed Nov 3, 2023, estimated cost $182K, described as “Renovations to apt. 15A including partition work, finishes, doors, and millwork. Install new laundry closet. And split system a/c. Plumbing work under subsequent application. No change to use, egress, or occupancy.”
- Alteration, filed Apr 27, 2023, estimated cost $145K, described as “Installation of new chimney liner and section of chimney breeching in existing tunnel. General construction for the installation of new clean outs. No change in egress or occupancy.”
- Alteration, filed Oct 12, 2022, estimated cost $18K, described as “Hereby filing for the relocation of fixtures in apartmetn 12C. No change tou se occupancy or egress.”
- Alteration, filed Oct 11, 2022, estimated cost $60K, described as “Hereby filing for the interior renovation of apartment 12C. No change to use occupancy or egress.”
- Alteration, filed Aug 18, 2022, estimated cost $40K, described as “Renovation of 1 bathroom with relocation of plumbing fixtures and 1 water closet adding new plumbing fixture, Minor alterations throughout the apartment. No Change to use or Egress”
- Alteration, filed Aug 12, 2022, estimated cost $500K, described as “Exterior facade repairs to address fisp conditions”
- Alteration, filed Jun 30, 2022, estimated cost $100K, described as “Remove non load-bearing partitions. Add new non load-bearing partitions. No changes in use, egress or occupancy”
- Alteration, filed May 13, 2022, estimated cost $33K, described as “Proposed interior renovation on partial 9th floor for existing apartment #9FA with new partition work and finish work as per plan. No change in use, egress, or occupancy.”
- Alteration, filed May 12, 2022, estimated cost $8K, described as “Propose plumbing work on partial 9th floor for existing apartment #9FA in conjunction with construction application #M00714443 as per plan. No change in use, egress, or occupancy.”
- Alteration, filed Dec 22, 2021, estimated cost $5K, described as “Installation of sidewalk shed per plans. All equipment shall comply with chapter #33 of the 2014 code no change to use, egress or occupancy.”
- Alteration, filed Apr 9, 2021, estimated cost $14K, described as “Hereby filing for the installation of mechanical equipment. No change to use occupancy or egress.”
- Alteration, filed Mar 17, 2021, estimated cost $31K, described as “Hereby filing for the removal. Replacement, relocation and installation of fixtures in units 16A& 16AA. No change to use ocupancy or egress.”
- Alteration, filed Mar 17, 2021, estimated cost $60K, described as “Hereby filing for the combination of units 16A and 16AA located on the 16TH floor. No change to use occupancy or egress.”

7 more, older permits are in this building’s full list on the map: https://umarelli.org/nyc/1011850001/33-riverside-drive.

## Property taxes

- Assessment: $24,551,100
- 2026–27 tax: $2,596,328
- Market value (city estimate): $54,558,000
- Taxable value: $24,037,112
- Assessed land: $3,037,500
- Assessed improvements: $21,513,600

## Tax breaks

- Co-op and condo abatement, with no end date, a $394,563 credit this tax year.

## Zoning

R10A (part of the lot is R8B): floor area ratio 13.58 built, above the 10.00 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- Aug 13, 2026: $1,189,050
- Jun 5, 2026: $2,999,900
- Feb 12, 2026: $375,000
- Dec 3, 2025: $1,750,000
- Sep 17, 2025: $760,000
- Jun 3, 2025: $1,080,000
- May 22, 2025: $1,249,000
- Feb 13, 2025: $4,193,750
- Jan 23, 2025: $426,000
- Nov 14, 2024: $770,000

The 10 most recent of 62 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 (Historic District). 50 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