400 Washington Avenue, Brooklyn
Single-room occupancy · built c. 1885 · Block 1945, Lot 45.
Building permits
- Alteration, filed Apr 20, 2023, estimated cost $13K, described as “Installation of sprinkler system for entire building design bt hydraulic calculation as per nfpa-13 2007,section”
- Alteration, filed Apr 18, 2023, estimated cost $50K, described as “Filing for new plumbing work in-conjunction with alteration co/general construction DOB job # B00677000. Filing to remove old gas boiler and replace with gas furnaces”
- Alteration, filed May 19, 2022, estimated cost $350K, described as “Alter class b building into five class a dwelling units. No change in bulk or egress., plumbing application # B00258985, sprinkler APPLICATION#B00798127 and FDNY application # 23TMP-33983.”
Property taxes
- Assessment
- $236,250
- 2026–27 tax
- $22,797
- Market value (city estimate)
- $525,000
- Taxable value
- $210,150
- Assessed land
- $31,500
- Assessed improvements
- $204,750
Zoning
R6B: floor area ratio 1.44 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Landmarks
Part of Clinton Hill Historic District (Historic District). 18 Landmarks Preservation Commission permits are on file.