645 Madison Street, Brooklyn
Vacant land · Block 1641, Lot 59.
Building permits
- New Building — Multi-Family, filed Aug 1, 2025, 13 units, 5 stories, described as “Proposed 5 story residential new building”
- Alteration, filed Apr 25, 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 25, 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.”
- Alteration, filed Oct 13, 2025, estimated cost $80K, described as “Installation of mechanical system for a 5 story residential building in conjunction with B01245472-I1.”
- Alteration, filed Oct 13, 2025, estimated cost $50K, described as “Installation of plumbing and sprinkler system for a 5 story residential building in conjunction with B01245472-I1.”
- Alteration, filed Jun 5, 2021, estimated cost $1K, described as “Installation of temporary 48' high pipe scaffold originating (off grade) as per plan. No change in use egress or occupancy,pipe scaffold shall comply with CHAPTER#33 of 2014 the ny building code.”
- Alteration, filed Jun 5, 2021, estimated cost $1K, described as “Installation of temporary 48' high pipe scaffold originating (off grade) as per plan. No change in use egress or occupancy,pipe scaffold shall comply with CHAPTER#33 of 2014 the ny building code.”
- Alteration, filed May 22, 2021, 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 300 psf”
- Alteration, filed May 22, 2021, 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 300 psf”
- Alteration, filed Nov 5, 2020, estimated cost $1K, described as “Construction fence in conjunction with NB# 321589606 & NB# 321589580”
- Alteration, filed Jun 29, 2020, estimated cost $2K, described as “Plumbing and sprinkler work type in conjunction with NB#321589606”
- Alteration, filed Jun 29, 2020, estimated cost $1K, described as “Mechanical work type in conjunction with NB#321589580”
- Alteration, filed Jun 29, 2020, estimated cost $1K, described as “Mechanical work type in conjunction with NB#321589606”
- Alteration, filed Jun 29, 2020, estimated cost $2K, described as “Plumbing and sprinkler work type in conjunction with NB#321589580”
- Alteration, filed Apr 3, 2020, estimated cost $286K, described as “Proposed residential 4 story with penthouse new building.”
- Alteration, filed Apr 3, 2020, estimated cost $472K, described as “Design of new 4-story and penthouse and roof with reinforced concrete.”
- Alteration, filed Nov 27, 2019, estimated cost $1K, described as “Installation of construction fence in conjunction with demo appication #321981646”
Property taxes
- Assessment
- $41,880
- 2026–27 tax
- $8,310
- Market value (city estimate)
- $698,000
- Taxable value
- $41,880
- Assessed land
- $41,880
Zoning
R6B: floor area ratio 0.00 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Aug 12, 2019: $2,800,000
Open-market sales since 2016, from the Department of Finance’s sales files.
In the news
Permits Filed for 647 Madison Street in Bed-Stuy, Brooklyn, New York YIMBY, Oct 18, 2025.