# 4507 15th Avenue, Brooklyn

Apartment building · 5 units · built 2025 · Block 5433, Lot 8.

On Umarelli: https://umarelli.org/nyc/3054330008/4507-15-avenue

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

## Building permits

- New Building — Multi-Family, filed Nov 16, 2023, 4 units, 7 stories, described as “Application filed herewith to propose new building with community facility on first and second floors, and residential units above”
- Alteration, filed Aug 20, 2025, estimated cost $15K, described as “Proposed installation of temporary pipe scaffold as per plans. Work shall comply with chapter #33 of the NYC building code. No change in use, occupancy, or egress under this application.”
- Alteration, filed Apr 8, 2025, estimated cost $12K, described as “Proposed installation of heavy duty sidewalk shed as per plans. Live load 300 lbs per square feet. Sidewalk shed shall comply with chapter #33 of the NYC building code. No change in use, occupancy, or egress under this application.”
- Demolition, filed Nov 28, 2023, estimated cost $4K, described as “Demolition of existing garage structure”
- Alteration, filed Sep 19, 2023, estimated cost $1K, described as “Proposed construction fence”
- Demolition, filed Aug 22, 2023, estimated cost $70K, described as “Full demolition of existing two 1/5 story house”

## Property taxes

- Assessment: $222,750
- 2026–27 tax: $4,200
- Market value (city estimate): $495,000
- Taxable value: $33,761
- Assessed land: $222,750

## Zoning

R6: floor area ratio 4.78 built, above the 2.43 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- Oct 20, 2022: $1,500,000

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