84 Dean Street, Brooklyn
Single family · built c. 1920 · Block 194, Lot 11.
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.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
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.