429 7th Avenue, Brooklyn
Condominium · 7 units · built c. 1894 · Block 1102, Lot 7501.
Building permits
- Alteration, filed Sep 9, 2026, estimated cost $5K, described as “Proposed to extend existing flues to above newly constructed adjacent building per MS 501.1.1.1.”
Property taxes
- Assessment
- $1,881,900
- 2026–27 tax
- $79,402
- Market value (city estimate)
- $4,182,000
- Taxable value
- $696,498
- Assessed land
- $59,850
- Assessed improvements
- $1,822,050
- Condo units with their own tax lots
- 3
Zoning
R6A: floor area ratio 3.59 built, above the 3.00 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Aug 6, 2024: $815,000
- Jul 3, 2024: $880,152
- Aug 23, 2022: $750,000
- Jun 17, 2022: $734,000
- Jun 28, 2019: $350,000, Apt COM2
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Park Slope Historic District Extension (Historic District). 2 Landmarks Preservation Commission permits are on file.