811 45th Street, Brooklyn
Condominium · 23 units · built 2023 · Block 742, Lot 7503.
Building permits
- Alteration, filed Jan 14, 2026, estimated cost $126K, described as “File general construction work for interior tenant fit-out. Work includes replacement of ceiling tiles, installation of non-bearing partitions, new flooring, and finishes. No changes are proposed to the existing use, occupancy, or egress.”
- Alteration, filed Dec 20, 2024, estimated cost $20K, described as “Change existing community center to adult day care occupancy at 1ST floor. Proposed new interior flooring finish at 1ST floor only. No change in egress and overall building bulk.”
- Alteration, filed Jul 25, 2024, estimated cost $22K, described as “Interior renovation existing commercial space with sprinker work on the 1ST floor. No change in use, egress or occupancy.”
- Alteration, filed Jul 8, 2024, estimated cost $1K, described as “Interior renovation existing commercial space with plumbing work on the 1ST floor. No change in use, egress or occupancy.”
- Alteration, filed Jul 8, 2024, estimated cost $47K, described as “Interior renovation exisitng commercial space with partition work on the 1ST floor. No change in use, egress or occupancy.”
Property taxes
- Assessment
- $3,950,556
- 2026–27 tax
- $286,783
- Market value (city estimate)
- $8,778,998
- Taxable value
- $3,832,878
- Assessed land
- $302,405
- Assessed improvements
- $3,648,151
- Condo units with their own tax lots
- 38
Tax breaks
- Co-op and condo abatement, with no end date, a $46,874 credit this tax year.
Zoning
R6: floor area ratio 3.68 built, above the 2.43 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jul 24, 2026: $108,953, Apt P9, sold with other lots
- Jun 29, 2026: $56,004, Apt P5
- May 12, 2025: $456,300, Apt 4B
- May 8, 2025: $570,220, Apt 5C
- Apr 23, 2025: $40,560, Apt P6
- Apr 8, 2025: $621,133, Apt 3D, sold with other lots
- Mar 17, 2025: $536,081, Apt 5E
- Feb 4, 2025: $763,688, Apt 5A
- Jan 9, 2025: $834,965, Apt 4A
- Dec 16, 2024: $519,308, Apt 4D
The 10 most recent of 25 open-market sales since 2016, from the Department of Finance’s sales files.
In the news
Permits Filed for 811 45th Street in Sunset Park, Brooklyn, New York YIMBY, Apr 29, 2022.