477 Sackett Street, Brooklyn
Two-family · built c. 1901 · Block 423, Lot 41.
Building permits
- Alteration, filed Apr 19, 2024, described as “Installation of temporary supported scaffold per plan submitted. Work shall comply with 2022 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed Apr 18, 2024, described as “Installation of temporary heavy duty sidewalk shed per plan submitted. Work shall comply with 2022 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed Jan 11, 2024, estimated cost $333K, described as “Structural work for horizontal extension as per plans. Filed in conjunction with in conjunction with alt-1 (no work) # 321756293 and gc application # B00485579”
- Alteration, filed Jan 11, 2024, estimated cost $70K, described as “Foundation work for horizontal extension and reinforcement of existing foundation. Filed in conjunction with in conjunction with alt-1 (no work) # 321756293 and gc application # B00485579”
- Alteration, filed Apr 22, 2021, estimated cost $150K, described as “Proposed Plumbing works in conjunction with ATL 1 # B00485579 . Plumbing fixtures are per Sch B.”
- Alteration, filed Apr 5, 2021, estimated cost $1K, described as “Erect 8 ft high temporary construction wood fence on property line for ALT1 job number in conjunction with alt-1 # B00485579”
- Alteration, filed Apr 5, 2021, estimated cost $1K, described as “12 foot curb cut in CONJUNCTION WITH ALT-1 # 321756293”
- Alteration, filed Apr 2, 2021, estimated cost $350K, described as “Enlargement to existing 3 story building. Building remains two family dwelling. In conjunction with alt-1 (no work) # 321756293”
Property taxes
- Assessment
- $143,100
- 2026–27 tax
- $7,940
- Market value (city estimate)
- $2,385,000
- Taxable value
- $40,015
- Assessed land
- $19,500
- Assessed improvements
- $123,600
Zoning
R6B: floor area ratio 2.14 built, above the 2.00 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, moderate risk: a 0.2% chance of flooding each year.
Recent sales
- Sep 30, 2020: $2,700,000, 2,100 sq ft ($1,286 per sq ft)
Open-market sales since 2016, from the Department of Finance’s sales files.
In the news
477 Sackett Street’s Expansion Progresses In Carroll Gardens, Brooklyn, New York YIMBY, Sep 21, 2025.