534 1st Street, Brooklyn
Single family · built c. 1909 · Block 1077, Lot 12.
Building permits
- Alteration, filed Feb 14, 2026, estimated cost $58K, described as “Replacement and modification of windows, new metal deck in rear yard and conversion of roof to terrace in existing 1-story rear extension.”
- Alteration, filed Jan 20, 2024, estimated cost $17K, described as “Lower existing slab on grade in the basement as per plan. NO change in use, egress or occupancy”
Property taxes
- Assessment
- $321,420
- 2026–27 tax
- $13,534
- Market value (city estimate)
- $5,357,000
- Taxable value
- $77,263
- Assessed land
- $38,340
- Assessed improvements
- $283,080
Tax breaks
- Solar abatement, through Jun 30, 2027, a $1,798 credit this tax year.
Zoning
R7B: floor area ratio 2.20 built, 3.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Feb 7, 2022: $4,225,000
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Park Slope Historic District (Historic District). 7 Landmarks Preservation Commission permits are on file.