# 523 9th Avenue, Manhattan

Apartment building · 15 units · built c. 1900 · Block 737, Lot 31.

On Umarelli: https://umarelli.org/nyc/1007370031/523-9-avenue

More construction in Hudson Yards: https://umarelli.org/nyc/manhattan/hudson-yards.md

Every lot on block 737: https://umarelli.org/nyc/manhattan/737.md

## Building permits

No building permits on file for this lot.

## Property taxes

- Assessment: $1,620,900
- 2026–27 tax: $183,229
- Market value (city estimate): $3,602,000
- Taxable value: $1,473,017
- Assessed land: $126,000
- Assessed improvements: $1,494,900

## Zoning

C1-7A: floor area ratio 4.00 built, 6.02 allowed by base zoning.

## Flood zone

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

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