681 Union Street, Brooklyn
Co-op · 6 units · built c. 1912 · Block 952, Lot 66.
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Building permits
Permit records are unavailable right now; the map lists them once the city responds.
Property taxes
- Assessment
- $1,274,400
- 2026–27 tax
- $45,329
- Market value (city estimate)
- $2,832,000
- Taxable value
- $374,171
- Assessed land
- $10,800
- Assessed improvements
- $1,263,600
Tax breaks
- Co-op and condo abatement, with no end date, a $1,215 credit this tax year.
Zoning
R6A: floor area ratio 2.11 built, 3.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Aug 21, 2024: $610,000
- Apr 11, 2023: $999,950
- Oct 7, 2021: $745,000
- Aug 22, 2019: $760,000
- Apr 17, 2018: $719,000
- Sep 29, 2017: $875,000
Open-market sales since 2016, from the Department of Finance’s sales files.