# 156 21st Street, Brooklyn

Apartment building · 5 units · built c. 1933 · Block 642, Lot 27.

On Umarelli: https://umarelli.org/nyc/3006420027/156-21-street

More construction in Sunset Park: https://umarelli.org/nyc/brooklyn/sunset-park.md

## 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.

## 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.

## Flood zone

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

## In the news

[Permits Filed for 156 21st Street in Greenwood Heights, Brooklyn](https://newyorkyimby.com/2026/09/permits-filed-for-156-21st-street-in-greenwood-heights-brooklyn.html), New York YIMBY, Sep 22, 2026.

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