321 21st Street, Brooklyn
Two-family · built c. 1905 · Block 892, Lot 70.
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Building permits
Permit records are unavailable right now; the map lists them once the city responds.
Property taxes
- Assessment
- $76,920
- 2026–27 tax
- $6,726
- Market value (city estimate)
- $1,282,000
- Taxable value
- $33,895
- Assessed land
- $16,500
- Assessed improvements
- $60,420
Zoning
R6B: floor area ratio 0.98 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
In the news
Permits Filed for 321 21st Street in Greenwood Heights, Brooklyn, New York YIMBY, Jun 22, 2026.