# 309 Henry Street, Brooklyn

Three-family with store · built c. 1849 · Block 275, Lot 25.

On Umarelli: https://umarelli.org/nyc/3002750025/309-henry-street

More construction in Brooklyn Heights: https://umarelli.org/nyc/brooklyn/brooklyn-heights.md

Every lot on block 275: https://umarelli.org/nyc/brooklyn/275.md

## Building permits

- Alteration, filed Oct 23, 2025, estimated cost $5K, described as “Installation of 300PSF sidewalk shed as per plans. All equipment shall comply with chapter #33 of the NYC building code 2022. No change in use, occupancy, or egress under this application.”
- Alteration, filed Sep 9, 2024, estimated cost $5K, described as “Installation of 300 psf sidewalk shed as per plans. Sidewalk shed shall comply with chapter #33 of the 2022 code. No change in use, egress or occupancy under this application.”
- Alteration, filed Dec 14, 2021, estimated cost $30K, described as “Plumbing modifications associated with apartment renovations.”
- Alteration, filed Dec 14, 2021, estimated cost $50K, described as “Interior apartment renovations. No change to use, egress or occupancy.”

## Property taxes

- Assessment: $1,007,550
- 2026–27 tax: $40,232
- Market value (city estimate): $2,239,000
- Taxable value: $323,431
- Assessed land: $468,000
- Assessed improvements: $539,550

## Zoning

R6: floor area ratio 1.99 built, 2.43 allowed by base zoning.

## Recent sales

- Sep 25, 2023: $8,627,060
- Dec 30, 2020: $3,532,800, Apt 6

Open-market sales since 2016, from the Department of Finance’s sales files.

## Flood zone

Current FEMA flood map: zone X, minimal flood hazard.

## Landmarks

Part of Brooklyn Heights Historic District (Historic District). 6 Landmarks Preservation Commission permits are on file.

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