531 3rd Street, Brooklyn
Two-family · built c. 1899 · Block 1078, Lot 61.
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Building permits
- Alteration, filed May 23, 2025, estimated cost $53K, described as “Application is filed for the interior renovation to existing 3 story, 2 family residential building. No change to use, egress or occupancy. All work as per plans permitted herewith.”
- Alteration, filed Feb 17, 2021, described as “Installation of pipe scaffolding”
Property taxes
- Assessment
- $304,860
- 2026–27 tax
- $13,414
- Market value (city estimate)
- $5,081,000
- Taxable value
- $67,602
- Assessed land
- $43,980
- Assessed improvements
- $260,880
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.