21 Montauk Avenue, Brooklyn
Industrial · built c. 1930 · Block 3976, Lot 27.
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Building permits
Permit records are unavailable right now; the map lists them once the city responds.
Property taxes
- Assessment
- $677,250
- 2026–27 tax
- $25,714
- Market value (city estimate)
- $1,505,000
- Taxable value
- $237,037
- Assessed land
- $118,350
- Assessed improvements
- $558,900
Tax breaks
- 467-m exemption, through Jun 30, 2060, about $47,754 a year below the full tax.
Zoning
R5B: floor area ratio 2.60 built, above the 1.50 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Apr 18, 2024: $3,162,500
Open-market sales since 2016, from the Department of Finance’s sales files.