1047 42nd Street, Brooklyn
Three-family · built c. 1930 · Block 5591, Lot 48.
Building permits
- Alteration, filed Oct 8, 2025, estimated cost $13K, described as “Installation of heavy duty sidewalk shed. No change in use, occupancy or egress. Work shall comply with chapter 33 of nycbc”
- Alteration, filed Sep 5, 2023, estimated cost $100K, described as “Partial Demolition for Building Stabilization due to Collapsed building.”
- Alteration, filed Aug 24, 2023, estimated cost $3K, described as “Installation of 8' Construction Fence.”
- Alteration, filed Jul 13, 2023, estimated cost $5K, described as “Installation of 300 psf sidewalk shed and overhead protection as per plans. All equipment shall comply with chapter #33 of the 2022 code. No change in use, egress or occupancy under this application.”
- Alteration, filed May 25, 2022, estimated cost $2K, described as “Installing 8 feet high construction fence”
- Alteration, filed Oct 20, 2021, estimated cost $44K, described as “Foundation work as per plans”
- Major Renovation — Residential, filed Aug 25, 2021, estimated cost $1.7M, 2 units in all, 3 stories, described as “Enlargement for anexisting community facility and residential building, partition work as per plan.”
- Alteration, filed Jul 26, 2021, estimated cost $43K, described as “Enlargement for anexisting community facility and residential building, partition work as per plan.”
- Alteration, filed Jun 28, 2021, estimated cost $148K, described as “Enlargement for anexisting community facility and residential building, partition work as per plan.”
Property taxes
- Assessment
- $95,460
- 2026–27 tax
- $10,712
- Market value (city estimate)
- $1,591,000
- Taxable value
- $53,986
- Assessed land
- $24,600
- Assessed improvements
- $70,860
Zoning
R6: floor area ratio 1.02 built, 2.43 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jul 21, 2016: $950,000
Open-market sales since 2016, from the Department of Finance’s sales files.