# 363 Kosciuszko Street, Brooklyn

Two-family · built c. 1899 · Block 1782, Lot 46.

On Umarelli: https://umarelli.org/nyc/3017820046/363-kosciuszko-street

More construction in Bedford-Stuyvesant: https://umarelli.org/nyc/brooklyn/bedford-stuyvesant.md

## Building permits

- Major Renovation — Conversion, filed Jul 10, 2025, estimated cost $1.5M, 2 units added, 5 stories, described as “Proposed horizontal and vertical extension and interior renovation to an existing 3 story residential building converting to a 5 story & 5 unit, residential building.”
- Alteration, filed Jun 5, 2024, estimated cost $41K, described as “Plumbing work. As per plans. No change on use, means of egress or occupancy in this application.”
- Alteration, filed Jun 5, 2024, estimated cost $85K, described as “Interior renovation in existing 2FAMILY 2.sty. Residential building with basement and cellar. No change in use,means of egress or occupancy in this application.”

## Property taxes

- Assessment: $90,840
- 2026–27 tax: $2,218
- Market value (city estimate): $1,514,000
- Taxable value: $11,176
- Assessed land: $20,940
- Assessed improvements: $69,900

## Zoning

R6B: floor area ratio 0.88 built, 2.00 allowed by base zoning.

## Recent sales

- Mar 18, 2025: $1,290,000
- May 22, 2024: $1,110,000

Open-market sales since 2016, from the Department of Finance’s sales files.

## Flood zone

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

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