# 1047 42nd Street, Brooklyn

Three-family · built c. 1930 · Block 5591, Lot 48.

On Umarelli: https://umarelli.org/nyc/3055910048/1047-42-street

More construction in Borough Park: https://umarelli.org/nyc/brooklyn/borough-park.md

## 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.

## Recent sales

- Jul 21, 2016: $950,000

Open-market sales since 2016, from the Department of Finance’s sales files.

## Flood zone

Current FEMA flood map: zone X, minimal flood hazard.

From New York City and Jersey City public records, refreshed within a day of each release. Sources: https://umarelli.org/sources. Methodology and corrections: https://umarelli.org/methodology