# 71 South 4th Street, Brooklyn

Apartment building · 6 units · built 1994 · Block 2429, Lot 131.

On Umarelli: https://umarelli.org/nyc/3024290131/71-south-4-street

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

## Building permits

- Alteration, filed Feb 18, 2025, estimated cost $9K, described as “Installation of pipe scaffolding as per plans. All equipment shall comply with ch #33 of the NYC code 2022. No change in use, occupancy or egress under this application.”
- Alteration, filed Apr 3, 2024, estimated cost $5K, 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 — Enlargement, filed Apr 17, 2023, estimated cost $1.0M, 4 units added, 4 stories, described as “New vertical and horizontal extension 4-story building on an existing 3-story building.”

## Property taxes

- Assessment: $1,381,050
- 2026–27 tax: $6,498
- Market value (city estimate): $3,069,000
- Taxable value: $52,242
- Assessed land: $153,450
- Assessed improvements: $1,227,600

## Zoning

R6: floor area ratio 2.27 built, 2.43 allowed by base zoning.

## Recent sales

- Jan 28, 2022: $2,000,000

Open-market sales since 2016, from the Department of Finance’s sales files.

## Flood zone

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

## In the news

[71 South 4th Street’s Exterior Nears Completion in Williamsburg, Brooklyn](https://newyorkyimby.com/2025/09/71-south-4th-streets-exterior-nears-completion-in-williamsburg-brooklyn.html), New York YIMBY, Sep 1, 2025.

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