# 84 Dean Street, Brooklyn

Single family · built c. 1920 · Block 194, Lot 11.

On Umarelli: https://umarelli.org/nyc/3001940011/84-dean-street

More construction in Boerum Hill: https://umarelli.org/nyc/brooklyn/boerum-hill.md

## Building permits

- Alteration, filed Aug 22, 2026, estimated cost $1K, described as “Installation of temporary heavy duty sidewalk shed as per plans. No change in use, egress or occupancy. Sidewalk shed shall comply with chapter #33 of 2022 the NYC building code. Live load 300PSF.”
- Major Renovation — Enlargement, filed Apr 9, 2025, estimated cost $1.2M, 1 unit added, 4 stories, described as “Proposed rear horizontal enlargement with terrace, add new bulkhead / penthouse and stair to the roof to the existing 3 story plus basement and cellar. Reconfigure existing 1-family to (1) triplex unit over (1) basement unit.”

## Property taxes

- Assessment: $203,460
- 2026–27 tax: $5,430
- Market value (city estimate): $3,391,000
- Taxable value: $27,365
- Assessed land: $7,200
- Assessed improvements: $196,260

## Zoning

R6A: floor area ratio 2.15 built, 3.00 allowed by base zoning.

## Recent sales

- Sep 23, 2024: $2,500,000
- Mar 31, 2018: $957,000

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