477 4th Street, Brooklyn
Four-family · built c. 1895 · Block 1080, Lot 64.
Building permits
- Alteration, filed Jan 16, 2026, estimated cost $37K, described as “Hereby filing altco application to obtain certificate of occupancy for change of use existing three family residence to two family residence. Interior work at cel, bas, 1-4 and roof. Related MEP applications to be filed separately.”
- Alteration, filed Dec 20, 2025, estimated cost $60K, described as “Hereby filing plumbing work at basement, 1ST and 2ND floors as per plans”
- Alteration, filed Dec 2, 2025, estimated cost $23K, described as “Replace two rooftop air conditioning units on existing steel dunnage and one air conditioning unit on grade at rear of building. Replace 3 indoor air handling units.”
Property taxes
- Assessment
- $1,036,800
- 2026–27 tax
- $18,511
- Market value (city estimate)
- $2,304,000
- Taxable value
- $148,818
- Assessed land
- $58,050
- Assessed improvements
- $978,750
Zoning
R6B: floor area ratio 1.48 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jul 27, 2016: $3,950,000, Apt 4
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.