# 600 West End Avenue, Manhattan

Co-op · 68 units · built c. 1911 · Block 1237, Lot 1.

On Umarelli: https://umarelli.org/nyc/1012370001/600-west-end-avenue

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

Every lot on block 1237: https://umarelli.org/nyc/manhattan/1237.md

## Building permits

- Alteration, filed May 6, 2025, estimated cost $55K, described as “Interior renovation in apt 11C filed in conjunction with DOB now pl. No change to use, occupancy or egress.”
- Alteration, filed Jul 24, 2024, estimated cost $235K, described as “Horizontal enlargement for the lower and upper parts of the penthouse as per plans filed herewith. No change to use, egress or occupancy.”
- Alteration, filed Apr 4, 2024, described as “Facade Repairs”
- Alteration, filed Oct 6, 2023, estimated cost $1K, described as “Temporary installation and use of sidewalk shed as per plans filed herewith. No change to use, egress or occupancy.”
- Alteration, filed Apr 27, 2023, estimated cost $165K, described as “Exterior facade repairs including select masonry repairs as shown on drawings and as specified. No change in use, occupancy, or egress”
- Alteration, filed Oct 14, 2021, estimated cost $10K, described as “Herewith file to renovate exist. Unit #2D. Work includes new non-load bearing wall w/door, new paint, refinish flooring at scar area, electrical work and minor construction. No change in use, egress, and occupancy”
- Alteration, filed Jan 27, 2021, estimated cost $18K, described as “Remove portion of slab, reframe new floor slab opening, install new convenience stair as shown on plans filed. No change in use, egress, occupancy.”
- Alteration, filed Dec 10, 2020, estimated cost $13K, described as “Plumbing work filed in conjunction with combination of apt. 5b and 6B”
- Alteration, filed Dec 10, 2020, estimated cost $18K, described as “Remove portion of slab, reframe new floor slab opening, install new convenience stair as shown on plans filed. No change in use, egress, or occupancy.”
- Alteration, filed Oct 21, 2020, estimated cost $150K, described as “Gas infrastructure repair and restoration, relocation of cooking gas meter. No change in egress or occupancy.”
- Alteration, filed Oct 22, 2019
- Alteration, filed May 17, 2019, estimated cost $7K, described as “Installation of Pipe Scaffold as per plans.”

## Property taxes

- Assessment: $9,364,050
- 2026–27 tax: $904,065
- Market value (city estimate): $20,809,000
- Taxable value: $8,630,702
- Assessed land: $1,723,500
- Assessed improvements: $7,640,550

## Tax breaks

- Co-op and condo abatement, with no end date, a $170,767 credit this tax year.

## Zoning

R10A: floor area ratio 10.03 built, above the 10.00 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- Feb 6, 2026: $1,305,000
- Sep 29, 2025: $670,750
- Aug 26, 2025: $507,500
- Jul 15, 2025: $4,300,000
- Feb 10, 2025: $1,520,000
- Jan 24, 2025: $565,000
- Nov 26, 2024: $930,000
- May 10, 2024: $1,375,000
- Aug 3, 2023: $465,000
- Aug 5, 2021: $1,240,000

The 10 most recent of 21 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