# 821 54th Street, Brooklyn

Two-family · built c. 1915 · Block 5665, Lot 70.

On Umarelli: https://umarelli.org/nyc/3056650070/821-54-street

More construction in Borough Park: https://umarelli.org/nyc/brooklyn/borough-park.md

## Building permits

- Alteration, filed Apr 7, 2026, estimated cost $20K, described as “Install new construction wood fence at open space.”
- Demolition, filed Jan 8, 2026, estimated cost $20K, described as “Demilition of existing detached garage at rear yard. No change in use egress or occupancy under this application.”
- Major Renovation — Enlargement, filed Aug 2, 2025, estimated cost $1.4M, 1 unit added, 4 stories, described as “Proposed horizontal and vertical enlargement on a 2 story building. Obtain new c of o.”

## Property taxes

- Assessment: $70,020
- 2026–27 tax: $5,938
- Market value (city estimate): $1,167,000
- Taxable value: $29,923
- Assessed land: $20,040
- Assessed improvements: $49,980

## Zoning

R6: floor area ratio 0.67 built, 2.43 allowed by base zoning.

## Recent sales

- May 6, 2025: $1,850,000
- Jun 6, 2024: $1,700,000

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