1738 Union Street, Brooklyn
Condominium · 26 units · built c. 1921 · Block 1403, Lot 7501.
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Building permits
Permit records are unavailable right now; the map lists them once the city responds.
Property taxes
- Assessment
- $971,543
- 2026–27 tax
- $78,698
- Market value (city estimate)
- $2,159,010
- Taxable value
- $627,114
- Assessed land
- $143,997
- Assessed improvements
- $827,546
- Condo units with their own tax lots
- 26
Tax breaks
- J-51 exemption, through Jun 30, 2028, about $37,958 a year below the full tax.
Zoning
R7-1 (part of the lot is C4-3): floor area ratio 2.19 built, 3.44 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Oct 15, 2024: $340,000, Apt 2F
- May 16, 2023: $678,500, Apt 4C
- Jul 14, 2016: $327,500, Apt 4C
Open-market sales since 2016, from the Department of Finance’s sales files.