# 584 Dean Street, Brooklyn

Industrial · built 1950 · Block 1137, Lot 14.

On Umarelli: https://umarelli.org/nyc/3011370014/584-dean-street

More construction in Prospect Heights: https://umarelli.org/nyc/brooklyn/prospect-heights.md

## Building permits

- Alteration, filed Apr 23, 2026, estimated cost $28K, described as “Installation of solar PV system. No change to use, egress, or occupancy.”
- Alteration, filed Mar 20, 2025, estimated cost $9K, described as “Installation of 300PSF sidewalk shed and pipe scaffolding as per plans. All equipment shall comply with ch #33 of the NYC code 2022. No change in use, occupancy or egress under this application.”
- Alteration, filed Oct 28, 2024, estimated cost $1K, described as “Herewith file alteration in order to erect 8 foot temp. Construction plywood fence. No change to use occupancy or egress.”
- Major Renovation — Conversion, filed Aug 12, 2022, estimated cost $1.8M, 2 units added, 3 stories, described as “Propose to convert & vertically enlarge existing 1-story building for vehicle storage establishment (ug 16C) to a new 3-story w/ cellar 2-family house (ug 2A). Requested review under 2014 code. Obtain a new c of o.”
- Alteration, filed Apr 4, 2018, estimated cost $1K, described as “Propose construction fence”

## Property taxes

- Assessment: $110,700
- 2026–27 tax: $11,931
- Market value (city estimate): $246,000
- Taxable value: $109,980
- Assessed land: $9,000
- Assessed improvements: $101,700

## Zoning

R6B: floor area ratio 1.00 built, 2.00 allowed by base zoning.

## Recent sales

- Dec 21, 2021: $2,100,000

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