131 Dupont Street, Brooklyn
Apartment building · 6 units · built c. 1930 · Block 2488, Lot 57.
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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.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Dec 18, 2024: $2,180,000
Open-market sales since 2016, from the Department of Finance’s sales files.