6643 Sedgwick Place, Brooklyn
Vacant land · Block 5839, Lot 20.
Building permits
- New Building, filed Feb 20, 2025, 1 story, described as “Proposed new garage at rear yard as per plan.”
- New Building — Residential, filed Feb 14, 2022, estimated cost $725K, 1 unit, 3 stories, described as “Proposed 3-story with cellar 1-family building.”
- Alteration, filed Apr 7, 2025, estimated cost $3K, described as “Submit curb cut work in conjunction with NB application #B00678730-I1.”
- Alteration, filed Sep 19, 2022, estimated cost $1K, described as “Construction fence in conjunction with NB B00678730.”
- Alteration, filed May 23, 2022, estimated cost $2K, described as “Excavation for foundation for NB in conjunction with application B00678730”
Property taxes
- Assessment
- $53,040
- 2026–27 tax
- $8,572
- Market value (city estimate)
- $884,000
- Taxable value
- $43,200
- Assessed land
- $53,040
Zoning
R4A: floor area ratio 0.00 built, 1.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jul 6, 2023: $1,135,000
Open-market sales since 2016, from the Department of Finance’s sales files.