280 Washington Avenue, Brooklyn
Single family · built c. 1887 · Block 1917, Lot 6.
Building permits
- Alteration, filed Sep 10, 2026, estimated cost $20K, described as “Plumbing modification as per plans filed herewith. No change to use, egress or occupancy”
- Alteration, filed Jul 6, 2026, estimated cost $125K, described as “Interior alteration with rear entrance renovation as per plans filed herewith. No change to use, egress or occupancy”
- Alteration, filed Aug 16, 2023, estimated cost $30K, described as “Structural work as per plans filed herewith. No change to use egress or occupancy.”
- Alteration, filed Aug 15, 2023, estimated cost $2.5M, described as “General construction consisting of interior renovation and horizontal enlargement of the rear entrance as per the plans filed herewith. No change to use egress or occupancy.”
- Alteration, filed Aug 9, 2023, estimated cost $35K, described as “Mechanical systems renovation. No change to use egress or occupancy.”
- Alteration, filed Aug 9, 2023, estimated cost $15K, described as “Plumbing work as per plans filed herewith. No change to use, egress or occupancy.”
Property taxes
- Assessment
- $536,220
- 2026–27 tax
- $25,619
- Market value (city estimate)
- $8,937,000
- Taxable value
- $129,108
- Assessed land
- $28,500
- Assessed improvements
- $507,720
Zoning
R6B: floor area ratio 1.34 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- May 20, 2026: $7,800,000, 6,690 sq ft ($1,166 per sq ft)
- Jun 3, 2021: $9,050,000
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Clinton Hill Historic District (Historic District). 15 Landmarks Preservation Commission permits are on file.