223 Frost Street, Brooklyn
Condominium · 7 units · built c. 1899 · Block 2857, Lot 7510.
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Building permits
Permit records are unavailable right now; the map lists them once the city responds.
Property taxes
- Assessment
- $1,364,849
- 2026–27 tax
- $56,783
- Market value (city estimate)
- $3,033,000
- Taxable value
- $456,487
- Assessed land
- $62,100
- Assessed improvements
- $1,302,749
- Condo units with their own tax lots
- 7
Zoning
R6B: floor area ratio 2.57 built, above the 2.00 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jul 17, 2026: $900,000, Apt 3R
- May 26, 2026: $895,000, Apt 2R
- Feb 2, 2026: $1,299,000, Apt 4F
- Jan 27, 2026: $1,250,000, Apt 4R
- Jan 23, 2026: $2,250,000, Apt 1
- Jan 21, 2026: $895,000, Apt 2F
- Jan 21, 2026: $910,000, Apt 3F
Open-market sales since 2016, from the Department of Finance’s sales files.