# 241 Third Avenue, Brooklyn

Vacant land · Block 434, Lot 1.

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On Umarelli: https://umarelli.org/nyc/3004340001/241-third-avenue

More construction in Gowanus: https://umarelli.org/nyc/brooklyn/gowanus.md

## Building permits

- New Building — Large Residential, filed Sep 18, 2025, 86 units, 8 stories, early work permitted while the building plans are in review, described as “Construct new eight (8) story mixed-use building with cellar as per plans filed, which will include 25 Mandatory Inclusionary Housing dwelling units, 61 Market Rate dwelling units, with retail space provided at the first floor.”
- New Building — Multi-Family, filed Sep 18, 2025, 39 units, 8 stories, described as “Construct new 8-story mixed use building as per plans filed, which shall contain 26 Market Rate dwelling units and 13 Mandatory Inclusionary Housing dwelling units, with retail space provided on the first floor.”
- Alteration, filed Sep 24, 2026, estimated cost $1K, described as “Installation of temporary protection as per plans. No change in use, egress or occupancy shall comply with CHAPTER#33 of 2022 the ny building code.”
- Alteration, filed Sep 21, 2026, estimated cost $20K, described as “Knuckleboom placement. This application involves no change in use, occupancy or egress.”
- Alteration, filed Sep 19, 2026, estimated cost $1K, described as “Proposed installation of temporary pipe scaffold as per plans. Work shall comply with chapter #33 of 2022 the NYC building code. No change in use, occupancy, or egress under this application.”
- Alteration, filed Jun 19, 2026, described as “Filling for construction fence in conjunction with NB's B01278368 & B01278364”
- Alteration, filed Jan 30, 2026, estimated cost $1K, described as “Soldier piles with internal lateral bracing and stable soil berm for the proposed excavation and foundation work as per plans filed. no change in use egress or occupancy. Filed in conjunction B01278364-I1.”
- Alteration, filed Jan 30, 2026, estimated cost $1K, described as “Soldier piles with internal lateral bracing and stable soil berm for the proposed excavation and foundation work as per plans filed. no change in use egress or occupancy.”
- Demolition, filed May 1, 2025, estimated cost $300K, described as “Full building demolition”
- Alteration, filed Feb 24, 2023, estimated cost $306K, described as “Create emergency mobile steam boiler. No change in use, egress or occupancy.”
- Alteration, filed Apr 13, 2020, estimated cost $121K, described as “Register existing emergency mobile steam boiler that was originally filed and permitted under PW1#400053213 (boiler #103301-01). No change in use, egress or occupancy.”
- Alteration, filed Nov 27, 2017, estimated cost $2K, described as “Install non-illuminated advertising sign on wall structure # 321548107”
- Alteration, filed Nov 14, 2017, estimated cost $3K, described as “Install non-illuminated advertising sign on wall structure # 321548090”
- Alteration, filed Nov 14, 2017, estimated cost $3K, described as “Install non-illuminated advertising sign on wall structure # 321548081”
- Alteration, filed Nov 14, 2017, estimated cost $4K, described as “Install non-illuminated advertising sign on wall structure # 321548072.”

## Property taxes

- Assessment: $189,450
- Assessed land: $189,450

## Zoning

M1-4/R7A: floor area ratio 0.00 built, 4.00 allowed by base zoning.

## Recent sales

- Dec 23, 2024: $29,400,000, sold with other lots

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

## Flood zone

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

## In the news

[Earthwork Underway At 601 Union Street in Gowanus, Brooklyn](https://newyorkyimby.com/2026/07/earthwork-underway-at-601-union-street-in-gowanus-brooklyn.html), New York YIMBY, Jul 28, 2026.

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