# 84 Douglass Street, Brooklyn

Two-family · built c. 1899 · Block 415, Lot 21.

On Umarelli: https://umarelli.org/nyc/3004150021/84-douglass-street

More construction in Carroll Gardens: https://umarelli.org/nyc/brooklyn/carroll-gardens.md

## Building permits

- Major Renovation — Residential, filed Sep 16, 2026, estimated cost $769K, 1 unit in all, 4 stories, described as “Vertical and horizontal enlargement and conversion to single family residence.”

## Property taxes

- Assessment: $122,460
- 2026–27 tax: $3,170
- Market value (city estimate): $2,041,000
- Taxable value: $15,973
- Assessed land: $23,460
- Assessed improvements: $99,000

## Zoning

R6B: floor area ratio 0.98 built, 2.00 allowed by base zoning.

## Recent sales

- Sep 14, 2026: $2,300,000, 1,632 sq ft ($1,409 per sq ft)

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