275 20th Street, Brooklyn
Commercial · built c. 1930 · Block 885, Lot 58.
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.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jan 13, 2025: $6,350,000
Open-market sales since 2016, from the Department of Finance’s sales files.
In the news
Housing Lottery Launches for 275 20th Street in Greenwood Heights, Brooklyn, New York YIMBY, Jun 10, 2026.