308 23rd Street, Brooklyn
Two-family · built c. 1901 · Block 900, Lot 60.
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Building permits
Permit records are unavailable right now; the map lists them once the city responds.
Property taxes
- Assessment
- $109,920
- 2026–27 tax
- $3,190
- Market value (city estimate)
- $1,832,000
- Taxable value
- $16,076
- Assessed land
- $25,620
- Assessed improvements
- $84,300
Zoning
R6B: floor area ratio 0.49 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
In the news
Permits Filed for 308 23rd Street in South Slope, Brooklyn, New York YIMBY, Mar 28, 2026.