428 East 9th Street, Brooklyn
Condominium · 76 units · built 2023 · Block 5392, Lot 7501.
Building permits
- New Building — Large Residential, filed Aug 10, 2022, estimated cost $15.0M, 76 units, 8 stories, described as “Proposed New 8 story Residential/Community Facility Building”
- Alteration, filed Oct 5, 2023, estimated cost $45K, described as “Proposed installation of temporary pipe scaffold as per plans. Work shall comply with chapter #33 of the NYC building code. No change in use, occupancy, or egress under this application.”
- Alteration, filed Sep 20, 2023, estimated cost $16K, described as “Installation of temporary needle beam as per plans. Work shall comply with chapter #33 of the NYC building code. No change in use, occupancy, or egress under this application.”
- Alteration, filed Aug 30, 2023, estimated cost $8K, described as “Installation of temporary roof protection as per plans. No change in use, egress or occupancy. Shall comply with CHAPTER#33 of 2022 NYC building code.”
- Alteration, filed Aug 25, 2023, estimated cost $25K, described as “Proposed installation of heavy duty sidewalk shed as per plans. Live load 300 lbs per square feet. Sidewalk shed shall comply with chapter #33 of the NYC building code. No change in use, occupancy, or egress under this application.”
- Alteration, filed Nov 17, 2022, estimated cost $5K, described as “New 12' curb cut on east 8 street”
- Alteration, filed Oct 3, 2022, estimated cost $15K, described as “Alteration type 3 - construction equipment - fence: 8'-0" high construction fence to be erected around property perimeter on grade to enclose site for construction operations.”
- Alteration, filed Sep 14, 2022, estimated cost $20K, described as “Installation of temporary standpipe for entire building in conjunction with new builidng application B00789554. No change in use, egress or occupancy.”
Property taxes
- Assessment
- $6,001,997
- 2026–27 tax
- $619,016
- Market value (city estimate)
- $13,337,779
- Taxable value
- $5,526,175
- Assessed land
- $1,253,703
- Assessed improvements
- $4,748,294
- Condo units with their own tax lots
- 115
Tax breaks
- Co-op and condo abatement, with no end date, a $41,367 credit this tax year.
Zoning
R7B: floor area ratio 3.06 built, above the 3.00 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 4, 2026: $837,950, Apt 501
- Jun 10, 2026: $580,403, Apt 512
- Jun 4, 2026: $939,000, Apt 701, sold with other lots
- May 27, 2026: $825,000, Apt 203
- May 27, 2026: $61,095, Apt PS30
- May 8, 2026: $813,582, Apt 703
- Apr 16, 2026: $631,315, Apt 608
- Apr 9, 2026: $869,000, Apt 301, sold with other lots
- Feb 26, 2026: $550,000, Apt 409
- Feb 13, 2026: $1,413,331, Apt PH9, sold with other lots
The 10 most recent of 66 open-market sales since 2016, from the Department of Finance’s sales files.
In the news
Permits Filed for 428 East 9th Street in Kensington, Brooklyn, New York YIMBY, Aug 13, 2022.