# 57 Thames Street, Brooklyn

Industrial · 56 units · built c. 1931 · Block 3008, Lot 22.

On Umarelli: https://umarelli.org/nyc/3030080022/57-thames-street

More construction in East Williamsburg: https://umarelli.org/nyc/brooklyn/east-williamsburg.md

## Building permits

- Alteration, filed Mar 6, 2026, estimated cost $25K, described as “Proposed installation of heavy duty sidewalk shed as per plans. Live load 300 lbs per square feet. Sidewalk shed shall comply with chapter #33 of the NYC building code. No change in use, occupancy, or egress under this application.”
- Major Renovation — Conversion, filed Dec 17, 2024, estimated cost $750K, 43 units added, 4 stories, described as “Conversion of existing manufacturing building into mixed use residential/commercial building under the provisions of the Loft Law. No change to floor area, bulk, yards or height under this application. In addition, the plans address WWP…”

## Property taxes

- Assessment: $1,966,050
- 2026–27 tax: $200,663
- Market value (city estimate): $4,369,000
- Taxable value: $1,849,770
- Assessed land: $306,450
- Assessed improvements: $1,659,600

## Zoning

M1-1: floor area ratio 3.55 built, above the 1.00 base zoning allows, which bonuses, transfers or older rules can permit.

## 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