# 50 Thayer Street, Manhattan

Utility · Block 2174, Lot 24.

On Umarelli: https://umarelli.org/nyc/1021740024/50-thayer-street

More construction in Washington Heights: https://umarelli.org/nyc/manhattan/washington-heights.md

Every lot on block 2174: https://umarelli.org/nyc/manhattan/2174.md

## Building permits

- Alteration, filed Apr 9, 2025, estimated cost $265K, described as “Installation of new HVAC Unit and Associated ducts and piping on the 1st Floor”
- Alteration, filed Mar 13, 2025, estimated cost $62K, described as “General Construction work related to the replacement of a 5G Cage, AC unit, and Air Cooled Condenser.”
- Alteration, filed Jan 12, 2024, estimated cost $180K, described as “Filing for the installation of twelve electric unit space heaters on cellar, 1st, 2nd, and 3rd floors as per plans filed herewith.”
- Alteration, filed May 12, 2023, estimated cost $500K, described as “Removal of Dry coolers and associated piping, replaced with new dry coolers and associated piping on roof. No change to use, occupancy or egress.”
- Alteration, filed May 12, 2023, estimated cost $300K, described as “General Construction work related to Dry Cooler Replacement. No change to use, egress or occupancy.”

## Zoning

R7-2: floor area ratio 0.00 built, 3.44 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