# 198 21st Street, Brooklyn

Condominium · 8 units · built 2005 · Block 643, Lot 7504.

On Umarelli: https://umarelli.org/nyc/3006437504/198-21-street

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

Every lot on block 643: https://umarelli.org/nyc/brooklyn/643.md

## Building permits

- Alteration, filed Jun 23, 2026, estimated cost $20K, described as “Interior renovation of the existing 4th floor at apt. 4A, ex. Non-bearing partition relocate as per plan. No change in use, occupancy, or egress.”

## Property taxes

- Assessment: $1,133,098
- 2026–27 tax: $1,162
- Market value (city estimate): $2,518,000
- Taxable value: $9,340
- Assessed land: $39,600
- Assessed improvements: $1,093,498
- Condo units with their own tax lots: 8

## Tax breaks

- 421-a exemption, through Jun 30, 2032, about $139,784 a year below the full tax.

## Zoning

R6B: floor area ratio 2.38 built, above the 2.00 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- Oct 18, 2024: $665,000, Apt 4B
- May 6, 2024: $645,000, Apt 2B
- Jan 4, 2023: $760,000, Apt 1A
- Feb 16, 2022: $575,000, Apt 3A
- Feb 11, 2020: $645,000, Apt 2A
- Jul 11, 2018: $635,000, Apt 4B
- Aug 28, 2017: $618,000, Apt 3A
- Jan 20, 2016: $676,000, Apt 1B

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