# 685 West End Avenue, Manhattan

Co-op · 96 units · built c. 1928 · Block 1252, Lot 50.

On Umarelli: https://umarelli.org/nyc/1012520050/685-west-end-avenue

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

Every lot on block 1252: https://umarelli.org/nyc/manhattan/1252.md

## Building permits

- Alteration, filed Nov 10, 2026, estimated cost $101K, described as “Interior renovation at 15D filed in conjunction with DOB now pl and mh. No change to use, occupancy or egress.”
- Alteration, filed Oct 21, 2026, described as “Installation of suspended scaffold for facade work or inspection.”
- Alteration, filed Oct 16, 2026, described as “Installation of temporary pipe scaffold as per plans. No change in use, egress or occupancy.”
- Alteration, filed Jul 15, 2026, estimated cost $30K, described as “Installation of heavy duty sidewalk shed. no change in use, occupancy or egress. all work to comply with chapter 33 of nycbc”
- Alteration, filed Dec 1, 2025, estimated cost $71K, described as “Combination of existing 1 bedroom apartment to existing duplex apartment. Removal of one kitchen. Minor reconfiguration of interior non-rated partition. Renovation of one bathroom including converting one tub to a shower.”
- Alteration, filed Dec 5, 2023, estimated cost $255K, described as “Demolition of the sidewalk, replacement and installation of steel beams. Installation of fireproofing at all steel beams. Installation of new structural vault slab and sidewalk. As per plans filed herewith. No change to use, egress or…”
- Alteration, filed Aug 23, 2022, estimated cost $1.2M, described as “Roof replacement of main roof, bulkhead roof, and 17th floor terraces roof. No change in use egress or occupancy,”
- Alteration, filed May 10, 2021, described as “Sidewalk shed installed per plans, no change in use, egress or occupancy”
- Alteration, filed Apr 16, 2021, described as “Installation of temporary pipe scaffold as per plans. No change in use, egress or occupancy.”
- Alteration, filed Jan 22, 2021, described as “Installation of temporary sidewalk shed as per plans. No change in use, egress or occupancy.”
- Alteration, filed Sep 28, 2020, estimated cost $6K, described as “Install new plumbing fixtures and replace bathroom fixtures. Replace branch pipes”
- Alteration, filed Mar 16, 2020, estimated cost $32K, described as “Plumbing work file in conjunction with apartment #16D renovation.”
- Alteration, filed Dec 19, 2019, estimated cost $15K, described as “Plumbing renovation for apartment 17B-Replace 1 lavatory, 1 toilet, 1 shower & add 1 toilet, 1 lavatory and 1 shower. Replace kitchen sink and dishwasher. Replace gas range on existing gas piping. See comments for PAA”

## Property taxes

- Assessment: $14,534,100
- 2026–27 tax: $1,487,550
- Market value (city estimate): $32,298,000
- Taxable value: $13,859,230
- Assessed land: $1,858,500
- Assessed improvements: $12,675,600

## Tax breaks

- Co-op and condo abatement, with no end date, a $237,410 credit this tax year.

## Zoning

R10A (part of the lot is R8): floor area ratio 12.42 built, above the 10.00 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- May 28, 2026: $1,450,000
- Jan 23, 2026: $1,250,000
- Jul 17, 2025: $2,375,000
- Jul 14, 2025: $875,000
- Apr 21, 2025: $525,000
- Mar 13, 2025: $2,600,000
- Mar 7, 2025: $760,000
- Sep 21, 2023: $1,550,000
- Mar 22, 2023: $900,000
- Sep 2, 2022: $798,910

The 10 most recent of 27 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 Riverside-West End 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