71 South 4th Street, Brooklyn
Apartment building · 6 units · built 1994 · Block 2429, Lot 131.
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.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jan 28, 2022: $2,000,000
Open-market sales since 2016, from the Department of Finance’s sales files.
In the news
71 South 4th Street’s Exterior Nears Completion in Williamsburg, Brooklyn, New York YIMBY, Sep 1, 2025.