156 21st Street, Brooklyn
Apartment building · 5 units · built c. 1933 · Block 642, Lot 27.
Building permits
- New Building, filed Sep 9, 2026, 3 stories, described as “New building - warehouse”
- Demolition, filed May 29, 2026, estimated cost $5K, described as “Full demolition of two-story residential building.”
- Demolition, filed May 29, 2026, estimated cost $7K, described as “Full demolition of 1-story garage.”
- Demolition, filed Apr 28, 2026, estimated cost $4K, described as “Full demolition of three-story residential building.”
Property taxes
- Assessment
- $724,500
- 2026–27 tax
- $10,478
- Market value (city estimate)
- $1,610,000
- Taxable value
- $84,234
- Assessed land
- $141,750
- Assessed improvements
- $582,750
Zoning
M1-2D: floor area ratio 0.98 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Feb 20, 2026: $1,598,000, 4,876 sq ft ($328 per sq ft)
Open-market sales since 2016, from the Department of Finance’s sales files.
In the news
Permits Filed for 156 21st Street in Greenwood Heights, Brooklyn, New York YIMBY, Sep 22, 2026.