647 Baltic Street, Brooklyn
Single family · built 2024 · Block 937, Lot 57.
Building permits
- New Building — Residential, filed Apr 22, 2022, 1 unit, 5 stories, described as “Propose new 5-story plus cellar single family residential building as per plan. Obtain new c of o.”
- Alteration, filed Mar 16, 2023, described as “Installation of temporary pipe scaffold as per plans in conjunction with NB job# B00723518. No change in use, egress or occupancy.”
- Alteration, filed Jan 30, 2023, 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 the NYC building code. Live load 300PSF.”
- Alteration, filed Oct 20, 2022, estimated cost $1K, described as “Propose to install temporary construction fence at sidewalk total 189 LF as per drawings in connection with GC #B00723518-I1”
Property taxes
- Assessment
- $166,740
- 2026–27 tax
- $33,086
- Market value (city estimate)
- $2,779,000
- Taxable value
- $166,740
- Assessed land
- $31,320
- Assessed improvements
- $135,420
Zoning
R6B: floor area ratio 2.22 built, above the 2.00 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Aug 15, 2025: $5,650,000
- Nov 30, 2021: $1,330,000
Open-market sales since 2016, from the Department of Finance’s sales files.
In the news
647 Baltic Street Nears Completion in Park Slope, Brooklyn, New York YIMBY, Oct 1, 2023.