213 21st Street, Brooklyn
Apartment building · 5 units · built 2025 · Block 640, Lot 51.
Building permits
- Alteration, filed Jan 28, 2025, estimated cost $9K, described as “Installation of 300PSF sidewalk shed as per plans. All equipment shall comply with ch #33 of the NYC code 2022. No change in use, occupancy or egress under this application.”
- Alteration, filed Oct 28, 2022, estimated cost $1K, described as “Proposed temporary construction fence @ ground floor. This job is filed in conjunction with A1 work at 213 21 street, A1 JOB#321599828”
- Major Renovation — Enlargement, filed Dec 14, 2021, estimated cost $1.9M, 5 units added, 4 stories, described as “Application filed to obtain a new c/o for existing buildings du to change in metes and bounds of zoning lot, Lot #52 and #51 are merged to one zoning lot. Proposed vertical extension to a 4-story residential building w/ penthouse on Lot…”
Property taxes
- Assessment
- $541,620
- 2026–27 tax
- $21,641
- Market value (city estimate)
- $1,203,600
- Taxable value
- $173,980
- Assessed land
- $34,650
- Assessed improvements
- $506,970
Zoning
R6B: floor area ratio 2.67 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.