# 275 20th Street, Brooklyn

Commercial · built c. 1930 · Block 885, Lot 58.

On Umarelli: https://umarelli.org/nyc/3008850058/275-20-street

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

## Building permits

- Alteration, filed Dec 30, 2025, estimated cost $1K, described as “Proposed pump jack scaffolds per plans. No change to use or occupancy”
- Alteration, filed Jul 11, 2025, estimated cost $9K, described as “Installation of heavy duty sidewalk shed and pipe scaffold as per plans, in complaince with chapter 33 of NYC bc. No change in use, egress or occupancy.”
- Major Renovation — Conversion, filed Nov 18, 2024, estimated cost $2.2M, 51 units added, 5 stories, described as “Please assign job to dev hub, dev hub consultation accepted on 9/26, proposing conversion of an existing 4 story commercial building into 5 story mixed use building,”

## Property taxes

- Assessment: $1,066,050
- 2026–27 tax: $109,826
- Market value (city estimate): $2,369,000
- Taxable value: $1,012,410
- Assessed land: $33,750
- Assessed improvements: $1,032,300

## Zoning

R6B: floor area ratio 2.76 built, above the 2.00 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- Jan 13, 2025: $6,350,000

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

[Housing Lottery Launches for 275 20th Street in Greenwood Heights, Brooklyn](https://newyorkyimby.com/2026/06/housing-lottery-launches-for-275-20th-street-in-greenwood-heights-brooklyn.html), New York YIMBY, Jun 10, 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