521 3rd Street, Brooklyn
Two-family · built c. 1899 · Block 1078, Lot 66.
Building permits
- Alteration, filed Jun 7, 2021, estimated cost $175K, described as “Interior renovation of an existing 2 family residence work limited to basement & 1st floors. Work includes removal of interior non-load bearing partitions & doors. Removal of bathroom & kitchen cabinetry, countertops, & finishes.”
Property taxes
- Assessment
- $284,580
- 2026–27 tax
- $13,795
- Market value (city estimate)
- $4,743,000
- Taxable value
- $69,522
- Assessed land
- $43,500
- Assessed improvements
- $241,080
Zoning
R6B: floor area ratio 2.11 built, above the 2.00 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Landmarks
Part of Park Slope Historic District (Historic District). 5 Landmarks Preservation Commission permits are on file.