# 211 21st Street, Brooklyn

Four-family · built c. 1930 · Block 640, Lot 52.

On Umarelli: https://umarelli.org/nyc/3006400052/211-21-street

More construction in Sunset Park: https://umarelli.org/nyc/brooklyn/sunset-park.md

Every lot on block 640: https://umarelli.org/nyc/brooklyn/640.md

## Building permits

- Alteration, filed Jan 18, 2025, estimated cost $9K, described as “Installation of 300PSF sidewalk shed 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, 2022, estimated cost $1K, described as “Proposed temporary construction fence @ ground floor. This job is filed in conjunction with A1 work at 211 21 street, A1 JOB#321599837”
- Alteration, filed Dec 14, 2021, estimated cost $538K, described as “Application filed to obtain a new c/o for existing building due to change in metes and bounds of zoning lot, Lot #52 and #51 are merged to one zoning lot. Proposed vertical extension from existing 3-story to 4-story residential building on…”

## Property taxes

- Assessment: $471,470
- 2026–27 tax: $51,934
- Market value (city estimate): $1,047,711
- Taxable value: $417,507
- Assessed land: $67,500
- Assessed improvements: $403,970

## Zoning

R6B: floor area ratio 2.16 built, above the 2.00 base zoning allows, which bonuses, transfers or older rules can permit.

## 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