# 646 West End Avenue, Manhattan

Apartment building · 18 units · built c. 1895 · Block 1239, Lot 4.

On Umarelli: https://umarelli.org/nyc/1012390004/646-west-end-avenue

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

Every lot on block 1239: https://umarelli.org/nyc/manhattan/1239.md

## Building permits

No building permits on file for this lot.

## Property taxes

- Assessment: $747,450
- 2026–27 tax: $69,731
- Market value (city estimate): $1,661,000
- Taxable value: $560,585
- Assessed land: $204,750
- Assessed improvements: $542,700

## Tax breaks

- Nonprofit exemption (house of worship), with no end date, about $23,244 a year below the full tax.

## Zoning

R10A: floor area ratio 3.32 built, 10.00 allowed by base zoning.

## Flood zone

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

## Landmarks

Part of Riverside-West End Historic District (Historic District). 12 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