# 509 9th Avenue, Manhattan

Apartment building · 8 units · built c. 1920 · Block 736, Lot 32.

On Umarelli: https://umarelli.org/nyc/1007360032/509-9-avenue

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

Every lot on block 736: https://umarelli.org/nyc/manhattan/736.md

## Building permits

- Alteration, filed Jul 3, 2018, estimated cost $8K, described as “AT&T - Replacement and relocation of antennas with installation/replacement of RRH units on roof. Installation of RRH units in the existing equipment room in cellar. All work in compliance with TPPN 5/98. No change to occupancy, use, or…”

## Property taxes

- Assessment: $1,826,550
- 2026–27 tax: $65,745
- Market value (city estimate): $4,059,000
- Taxable value: $528,541
- Assessed land: $504,000
- Assessed improvements: $1,322,550

## Zoning

C1-7A: floor area ratio 4.33 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