317 3rd Street, Brooklyn
Co-op · 13 units · built c. 1920 · Block 974, Lot 65.
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Building permits
Permit records are unavailable right now; the map lists them once the city responds.
Property taxes
- Assessment
- $929,700
- 2026–27 tax
- $81,489
- Assessed land
- $22,050
- Assessed improvements
- $907,650
Zoning
R6B: floor area ratio 3.21 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.
Recent sales
- Sep 4, 2025: $722,500
- May 10, 2024: $599,000
- Nov 16, 2023: $585,000
- Sep 28, 2022: $350,000
- Mar 26, 2021: $910,000
- Jun 16, 2020: $465,000, Apt 2A
- Sep 6, 2017: $499,000
- Jun 20, 2016: $445,000
Open-market sales since 2016, from the Department of Finance’s sales files.