638 51st Street, Brooklyn
Three-family · built c. 1905 · Block 801, Lot 21.
Building permits
- Alteration, filed Nov 22, 2024, estimated cost $31K, described as “Installation of solar PV system. No change to use, egress, or occupancy.”
- Alteration, filed May 8, 2024, estimated cost $3K, described as “Installation of a temporarily 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 Aug 10, 2022, estimated cost $8K, described as “Install construction wood fence work. In conjunction with alt- co JOB#B00642083.”
- Alteration, filed Aug 9, 2022, estimated cost $80K, described as “File foundation and structural work types in conjunction with alt-co new building with existing elements to remain job application JOB#B00642083.”
- Major Renovation — Enlargement, filed Dec 30, 2021, estimated cost $580K, 2 units added, 3 stories, described as “Proposed horizontal and vertical enlargement on a 2 story building.obtain new 4 family c of o.”
Property taxes
- Assessment
- $99,720
- 2026–27 tax
- $4,045
- Market value (city estimate)
- $1,662,000
- Taxable value
- $31,858
- Assessed land
- $25,620
- Assessed improvements
- $74,100
Tax breaks
- Solar abatement, through Jun 30, 2029, a $2,276 credit this tax year.
Zoning
R6B: floor area ratio 1.02 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Oct 19, 2021: $1,300,000
Open-market sales since 2016, from the Department of Finance’s sales files.