# 4001 4th Avenue, Brooklyn

Vacant land · Block 714, Lot 6.

On Umarelli: https://umarelli.org/nyc/3007140006/410-40-street

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

## Building permits

- New Building — Non-residential, filed Sep 28, 2023, 4 stories, early work permitted while the building plans are in review, described as “Proposed new four story and cellar community facilty school building.”
- Alteration, filed Sep 8, 2026, described as “Installation of temporary sidewalk shed as per plans. No change in use, egress or occupancy.”
- Alteration, filed Jul 8, 2026, estimated cost $1K, described as “Proposed temporary 8' high plywood construction fence. No change to use or egress”
- Alteration, filed Apr 29, 2026, estimated cost $6K, described as “Installation of temporary needle beam as per plans. No change in use, egress or occupancy.”
- Alteration, filed Mar 27, 2026, described as “Installation of temporary pipe scaffold as per plans. No change in use, egress or occupancy.”
- Alteration, filed Mar 27, 2026, described as “Installation of temporary engineered enclosure system as per plans. No change in use, egress or occupancy”
- Alteration, filed Mar 27, 2026, estimated cost $4K, described as “Installation of temporary roof protection as per plans. No change in use, egress or occupancy.”
- Alteration, filed Mar 27, 2026, estimated cost $4K, described as “Installation of temporary overhead protection as per plans. No change in use, egress or occupancy.”
- Alteration, filed Nov 27, 2024, estimated cost $160, described as “Proposed 8FT construction fence. No change to use, egress or occupancy under this application.”
- Demolition, filed Mar 14, 2024, estimated cost $100K, described as “Full demolition to a one story structure”
- Alteration, filed Nov 20, 2023, estimated cost $3K, described as “Fence application filed in conjunction with NB job# B00933744.”

## Property taxes

- Assessment: $72,000
- 2026–27 tax: $7,811
- Market value (city estimate): $160,000
- Taxable value: $72,000
- Assessed land: $72,000

## Zoning

R7A: floor area ratio 0.00 built, 4.00 allowed by base zoning.

## Flood zone

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

## In the news

[Demolition Awaits for School Building at 4001 4th Avenue in Sunset Park, Brooklyn](https://newyorkyimby.com/2025/05/demolition-awaits-for-school-building-at-4001-4th-avenue-in-sunset-park-brooklyn.html), New York YIMBY, May 4, 2025.

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