# 131 Dupont Street, Brooklyn

Apartment building · 6 units · built c. 1930 · Block 2488, Lot 57.

On Umarelli: https://umarelli.org/nyc/3024880057/131-dupont-street

More construction in Greenpoint: https://umarelli.org/nyc/brooklyn/greenpoint.md

## Building permits

- Alteration, filed Oct 22, 2026, estimated cost $9K, described as “Installation of 300PSF sidewalk shed and pipe scaffolding 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.”
- Major Renovation — Enlargement, filed Aug 1, 2025, estimated cost $1.6M, 1 unit added, 4 stories, described as “Horizontal and vertical extension to the existing 3-story 6-family residence. Proposed 7-family 4-story with cellar residential building. A new c of o is required.”
- Alteration, filed Jun 27, 2025, estimated cost $10K, described as “Interior demolition on existing three (3) story, residential building. No exterior work, no change of building bulk, occupancy or egress”
- Alteration, filed Jan 12, 2023, estimated cost $208K, described as “Application filed herewith for interior renovation to existing 3 story and cellar residential building. Obtain new certificate of occupancy.”

## Property taxes

- Assessment: $748,800
- 2026–27 tax: $8,766
- Market value (city estimate): $1,664,000
- Taxable value: $70,473
- Assessed land: $4,500
- Assessed improvements: $744,300

## Zoning

R6B: floor area ratio 1.35 built, 2.00 allowed by base zoning.

## Recent sales

- Dec 18, 2024: $2,180,000

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