21 Columbia Place, Brooklyn
Apartment building · 9 units · built c. 1920 · Block 259, Lot 18.
Building permits
- Alteration, filed Nov 12, 2025, estimated cost $200K, described as “Hereby filing for repairs to finishes through building and to conform costing to actual for sub rehab renovation performed under applications #B01111672. No change to use occupancy or egress.”
- Alteration, filed Mar 12, 2025, estimated cost $1K, described as “Proposed installation of temporary pipe scaffold as per plans. Work shall comply with chapter #33 of 2022 the NYC building code. No change in use, occupancy, or egress under this application.”
- Alteration, filed Mar 12, 2025, estimated cost $1K, described as “Installation of temporary heavy duty sidewalk shed as per plans. No change in use, egress or occupancy. Sidewalk shed shall comply with chapter #33 of 2022 the NYC building code. Live load 300PSF.”
- Alteration, filed Jan 23, 2025, estimated cost $62K, described as “Replacement of windows, no change to use, egress or occupancy.”
- Alteration, filed Sep 23, 2024, estimated cost $295K, described as “Renovate units #1F, 1R, 2F, 2R, 3F, 3R, 4F, 4R and common hallway from cellar to roof, include removing and installing new interior non-load bearing partitions, lighting and finish work. No change to use, egress or occupancy.”
Property taxes
- Assessment
- $780,750
- 2026–27 tax
- $31,884
- Market value (city estimate)
- $1,735,000
- Taxable value
- $256,321
- Assessed land
- $17,100
- Assessed improvements
- $763,650
Zoning
R6: floor area ratio 1.46 built, 2.43 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jul 30, 2024: $7,100,000, sold with other lots
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Brooklyn Heights Historic District (Historic District). 5 Landmarks Preservation Commission permits are on file.