603 5th Street, Brooklyn
Single family · built c. 1908 · Block 1083, Lot 50.
Building permits
- Alteration, filed Apr 11, 2022, estimated cost $75K, described as “Installation of 2ND floor roof terrace and heat pumps at the building back. Installation of a/c blower and duct work at building inside. No change in use, egress, or occupancy.”
- Alteration, filed Dec 8, 2021, estimated cost $67K, described as “Installation of plumbing fixtures.”
- Alteration, filed Dec 8, 2021, estimated cost $250K, described as “Interior renovation of existing 1 family, 3 story house. No chang in use, egress, or occupancy.”
Property taxes
- Assessment
- $266,460
- 2026–27 tax
- $15,732
- Market value (city estimate)
- $4,441,000
- Taxable value
- $79,284
- Assessed land
- $45,600
- Assessed improvements
- $220,860
Zoning
R7B: floor area ratio 1.74 built, 3.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jul 7, 2026: $5,900,000, 2,955 sq ft ($1,997 per sq ft)
- Apr 19, 2024: $5,495,000
- Sep 10, 2021: $3,505,000
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Park Slope Historic District (Historic District). 6 Landmarks Preservation Commission permits are on file.