503 1st Street, Brooklyn
Two-family · built c. 1890 · Block 1074, Lot 47.
Building permits
- Alteration, filed Apr 17, 2026, estimated cost $1K, described as “Installation of temporary heavy duty sidewalk shed as per plans. No change in use, egress or occupancy. Sidewalk shed shall comply with chapter #33 of 2022 the NYC building code. Live load 300PSF.”
- Alteration, filed Apr 17, 2026, estimated cost $1K, described as “Proposed installation of temporary pipe scaffold as per plans. Work shall comply with chapter #33 of 2022 the NYC building code. No change in use, occupancy, or egress under this application.”
Property taxes
- Assessment
- $340,440
- 2026–27 tax
- $16,147
- Market value (city estimate)
- $5,674,000
- Taxable value
- $81,376
- Assessed land
- $39,000
- Assessed improvements
- $301,440
Zoning
R6B: floor area ratio 1.95 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jul 13, 2017: $3,995,000
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Park Slope Historic District (Historic District). 3 Landmarks Preservation Commission permits are on file.