25 East 21st Street, Brooklyn
Apartment building · 12 units · built c. 1915 · Block 5063, Lot 21.
Building permits
- Alteration, filed Aug 10, 2021, estimated cost $13K, described as “Plumbing work associated with the renovation of apt 4B, including the kitchen and bathroom; no change to use, egress or occupancy.”
- Alteration, filed Aug 10, 2021, estimated cost $87K, described as “Herewith submit application for the renovation of apt 4B, including removing and installing non-bearing partitions and finishes. No change to use, egress or occupancy.”
Property taxes
- Assessment
- $432,450
- 2026–27 tax
- $38,101
- Market value (city estimate)
- $961,000
- Taxable value
- $306,300
- Assessed land
- $111,600
- Assessed improvements
- $320,850
Tax breaks
- J-51 exemption, through Jun 30, 2028, about $17,461 a year below the full tax.
Zoning
R7A: floor area ratio 2.48 built, 4.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jul 11, 2018: $3,257,361
- Jun 22, 2017: $2,400,000
Open-market sales since 2016, from the Department of Finance’s sales files.