280 St Marks Avenue, Brooklyn
Condominium · 31 units · built 2016 · Block 1152, Lot 7507.
Building permits
- Alteration, filed Jun 10, 2022, estimated cost $70K, described as “General construction work for restorative construction to address flood damage including installation of partitions, ceiling, flooring, fixtures, finishes, waterproffing & related construction (interior/exterior) throughout, as shown on…”
- Alteration, filed May 16, 2022, estimated cost $400K, described as “Application filed herewith for the improvement and upgrade to the existing storm system . Gas line repair work and installation of related storm system fixtures as shown on plans filed”
- Alteration, filed Mar 30, 2021, estimated cost $25K, described as “Interior renovation of apartment 3H as per plans filed. Work to include removal and installation of interior non load bearing partitions and related finished. No change in use, egress or occupancy.”
Property taxes
- Assessment
- $5,707,802
- 2026–27 tax
- $249,289
- Market value (city estimate)
- $12,684,001
- Taxable value
- $2,004,087
- Assessed land
- $983,251
- Assessed improvements
- $4,724,551
- Condo units with their own tax lots
- 31
Tax breaks
- 421-a exemption, through Jun 30, 2034, about $421,584 a year below the full tax.
Zoning
R6B: floor area ratio 2.12 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.
Recent sales
- Jul 17, 2026: $3,250,000, Unit PH-G
- Jun 26, 2026: $1,725,000, Apt 3C
- May 12, 2026: $2,400,000, Unit TH-B
- Mar 20, 2026: $3,695,000, Apt 4F
- Dec 15, 2025: $1,675,000, Apt 4B
- Dec 5, 2025: $3,090,000, Unit PH-E
- Sep 18, 2025: $4,999,169, Unit TH-F
- May 20, 2025: $4,000,000, Unit TH-E
- Oct 7, 2024: $2,899,000, Apt 3E
- Sep 26, 2024: $4,300,000, Unit PH-A
The 10 most recent of 52 open-market sales since 2016, from the Department of Finance’s sales files.