# 283 4th Avenue, Brooklyn

Industrial · built c. 1931 · Block 969, Lot 1.

On Umarelli: https://umarelli.org/nyc/3009690001/283-4-avenue

More construction in Park Slope: https://umarelli.org/nyc/brooklyn/park-slope.md

Every lot on block 969: https://umarelli.org/nyc/brooklyn/969.md

## Building permits

- Alteration, filed Oct 27, 2026, estimated cost $10K, described as “Installation of 300 psf sidewalk shed as per plans. All equipment shall comply with chapter #33 of the 2022 code. No change in use, egress or occupancy under this application.”
- Alteration, filed Oct 27, 2026, estimated cost $10K, described as “Installation of 300 psf sidewalk shed as per plans. All equipment shall comply with chapter #33 of the 2022 code. No change in use, egress or occupancy under this application.”
- Alteration, filed Dec 17, 2025, estimated cost $30K, described as “Erect 750 lf of fence to enclose site”
- Demolition, filed Oct 16, 2025, estimated cost $150K, described as “Demolition of structure”
- Demolition, filed Oct 16, 2025, estimated cost $150K, described as “Demolition of structure”
- Demolition, filed Oct 16, 2025, estimated cost $150K, described as “Demolition of structure”
- Demolition, filed Oct 16, 2025, estimated cost $250K, described as “Demolition of structure”

## Property taxes

- Assessment: $1,780,200
- 2026–27 tax: $193,116
- Market value (city estimate): $3,956,000
- Taxable value: $1,780,200
- Assessed land: $695,250
- Assessed improvements: $1,084,950

## Zoning

C4-4D (part of the lot is R6B): floor area ratio 1.09 built, 6.02 allowed by base zoning.

## Recent sales

- Nov 8, 2024: $2,295,000

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

## Flood zone

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

## Board and land use applications

- Gowanus Neighborhood Plan (City Planning 2018K0382): Zoning map change, Zoning text change, City map change, Urban development action area, Completed, decided Dec 6, 2021. The Gowanus Neighborhood Plan is a shared, long-term vision for a thriving neighborhood. It looks to identify strategies for an equitable, resilient and sustainable Gowanus, with more local jobs and housing. The Plan supports community…

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