54 Throop Avenue, Brooklyn
Condominium · 23 units · built 2017 · Block 2250, Lot 7503.
Building permits
- Alteration, filed Oct 11, 2024, estimated cost $5K, described as “Installation of 300 psf sidewalk shed as per plans. All equipment shall comply with chapter #33 of the 2022 code. No change in use, egress or occupancy under this application.”
- Alteration, filed May 7, 2018, estimated cost $1K, described as “New curb cut installation on walton street.”
- Alteration, filed Oct 24, 2017, estimated cost $60K, described as “Installation of sidewalk shed and supported scaffold on top of sidewalk shed per plan submitted. Work shall comply with 2014 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
Property taxes
- Assessment
- $2,992,508
- 2026–27 tax
- $27,764
- Market value (city estimate)
- $6,650,004
- Taxable value
- $223,200
- Assessed land
- $393,754
- Assessed improvements
- $2,598,754
- Condo units with their own tax lots
- 23
Tax breaks
- 421-a exemption, through Jun 30, 2045, about $344,474 a year below the full tax.
Zoning
R7A: floor area ratio 4.02 built, above the 4.00 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard. FEMA’s preliminary map: zone X, moderate risk: a 0.2% chance of flooding each year.
Recent sales
- Dec 23, 2025: $968,000, Apt 4B
- Aug 14, 2025: $700,000, Apt 5C
- Aug 4, 2025: $639,000, Apt 5F
- Jul 22, 2025: $750,000, Apt 6D
- Apr 30, 2025: $661,863, Apt 4D
- Mar 27, 2025: $661,863, Apt 4E
- Dec 31, 2024: $178,262, Apt 4C
- Dec 24, 2024: $647,500, Apt 4F
- Aug 21, 2024: $997,500, Apt 5B
- Jul 29, 2024: $522,500, Apt 5D
The 10 most recent of 18 open-market sales since 2016, from the Department of Finance’s sales files.