231 20th Street, Brooklyn
Mixed use · 6 units · built c. 1933 · Block 637, Lot 52.
Building permits
- Alteration, filed Oct 26, 2020, described as “Installation of pipe scaffolding”
- Alteration, filed Sep 10, 2020, estimated cost $71K, described as “Installation of new sprinkler system.”
Property taxes
- Assessment
- $645,750
- 2026–27 tax
- $50,639
- Market value (city estimate)
- $1,435,000
- Taxable value
- $407,096
- Assessed land
- $125,100
- Assessed improvements
- $520,650
Zoning
R6A: floor area ratio 2.79 built, 3.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.