186 21st Street, Brooklyn
Apartment building · 26 units · built 2017 · Block 643, Lot 11.
Building permits
- Alteration, filed Dec 7, 2017, described as “Installation of heavy duty sidewalk shed as per plans. No change in use, egress or occupancy.”
- Alteration, filed Dec 7, 2017, described as “Installation of pipe scaffold as per plans. No change in use, egress or occupancy.”
Property taxes
- Assessment
- $3,363,750
- 2026–27 tax
- $57,088
- Market value (city estimate)
- $7,475,000
- Taxable value
- $458,941
- Assessed land
- $845,100
- Assessed improvements
- $2,518,650
Tax breaks
- 421-a exemption, through Jun 30, 2055, about $361,329 a year below the full tax.
Zoning
R6B: floor area ratio 2.74 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.