# 271 11th Street, Brooklyn

Three-family · built c. 1899 · Block 1016, Lot 69.

On Umarelli: https://umarelli.org/nyc/3010160069/271-11-street

More construction in South Slope: https://umarelli.org/nyc/brooklyn/south-slope.md

## Building permits

- Major Renovation — Enlargement, filed Feb 25, 2026, estimated cost $730K, 2 units added, 4 stories, described as “Proposed horizontal and vertical enlargement of existing building as per plan. Change of use from 2 family to 4 family dwelling. Obtain a new C of O”
- Alteration, filed Feb 21, 2025, estimated cost $120K, described as “Propose interior demolition of existing 3-family building as per plan. No change in use, egress, or occupancy.”

## Property taxes

- Assessment: $140,820
- 2026–27 tax: $7,575
- Market value (city estimate): $2,347,000
- Taxable value: $38,177
- Assessed land: $24,540
- Assessed improvements: $116,280

## Zoning

R6B: floor area ratio 1.18 built, 2.00 allowed by base zoning.

## Recent sales

- Jan 10, 2025: $1,999,995

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
