# 165 23rd Street, Brooklyn

Two-family · built c. 1899 · Block 645, Lot 47.

On Umarelli: https://umarelli.org/nyc/3006450047/165-23-street

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

Every lot on block 645: https://umarelli.org/nyc/brooklyn/645.md

## Building permits

- Alteration, filed May 30, 2023, estimated cost $308K, described as “Renovate existing 2-family residence. Demo and construct interior walls, cabinetry and finishes. Structural, mechanical, and plumbing filed separately. No change to use, egress, occupancy or bulk.”

## Property taxes

- Assessment: $102,120
- 2026–27 tax: $8,946
- Market value (city estimate): $1,702,000
- Taxable value: $45,084
- Assessed land: $20,280
- Assessed improvements: $81,840

## Zoning

M1-2D: floor area ratio 1.08 built, 2.00 allowed by base zoning.

## 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