427 15th Street, Brooklyn
Co-op · 16 units · built c. 1909 · Block 1103, Lot 66.
Building permits
- Alteration, filed Jul 27, 2022, estimated cost $23K, described as “Filing herewith Mechanical work for Apt. 1A as per plans filed herewith. No change to use, egress or occupancy.”
- Alteration, filed Jul 26, 2022, estimated cost $14K, described as “Filing herewith plumbing work for Apt.1A as per plans filed herewith. No change to use, egress or occupancy.”
- Alteration, filed Jul 26, 2022, estimated cost $92K, described as “Filing herewith interior demo. and renovation of Apt. 1A as per plans filed herewith. No change to use, egress or occupancy.”
- Alteration, filed Sep 6, 2021, estimated cost $8K, described as “Proposed installation of heavy duty sidewalk shed as per plans. Live load 300 per square feet. Sidewalk shed shall comply with chapter # 33 of the 2014 code. No change in use occupancy or egress under this application.”
- Alteration, filed Mar 19, 2021, estimated cost $19K, described as “Install new exterior metal chimney as per plans. No change in use, egress or occupancy.”
- Alteration, filed Mar 19, 2021, estimated cost $60K, described as “Replace one (1) gas-fired boiler as per plans. Install two (2) new gas-fired hot water heaters. No change in use, egress or occupancy.”
- Alteration, filed Mar 19, 2021, estimated cost $10K, described as “Install two (2) new gas-fired hot water heaters. Connect to existing gas piping for replacement gas boiler. No change in use, egress or occupancy.”
- Alteration, filed Oct 30, 2020, described as “Installation of temporary supported scaffold per plan submitted. Work shall comply with 2014 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed May 23, 2019, estimated cost $5K, 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 May 22, 2019, estimated cost $4K, 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.”
Property taxes
- Assessment
- $789,300
- 2026–27 tax
- $70,160
- Market value (city estimate)
- $1,754,000
- Taxable value
- $720,720
- Assessed land
- $62,550
- Assessed improvements
- $726,750
Tax breaks
- Co-op and condo abatement, with no end date, a $19,671 credit this tax year.
Zoning
R6B: floor area ratio 2.82 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
- Dec 19, 2024: $875,000
- Jan 11, 2023: $550,000
- Jun 28, 2022: $953,350
- Sep 23, 2020: $757,000, Apt 4A
- Feb 26, 2020: $695,000, Apt 3C
- Apr 25, 2019: $790,000
- Dec 11, 2018: $699,000
- Sep 12, 2017: $685,000
- Jul 18, 2017: $759,000
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Park Slope Historic District Extension (Historic District). 7 Landmarks Preservation Commission permits are on file.