# 138 Osborn Street, Brooklyn

Commercial · built 1960 · Block 3523, Lot 28.

On Umarelli: https://umarelli.org/nyc/3035230028/138-osborn-street

More construction in Brownsville: https://umarelli.org/nyc/brooklyn/brownsville.md

## Building permits

- New Building — Large Residential, filed Apr 10, 2025, 99 units, 9 stories, described as “(please assign to dev hub) proposing new 9 story mixed-use building.”
- Alteration, filed Jan 6, 2026, estimated cost $6K, described as “Installation of temporary personnel hoist as per plans. No change in use, egress or occupancy.”
- Alteration, filed Dec 11, 2025, estimated cost $6K, described as “Installation of temporary needle beam as per plans. No change in use, egress or occupancy.”
- Alteration, filed Dec 2, 2025, described as “Installation of temporary sidewalk shed as per plans. No change in use, egress or occupancy.”
- Alteration, filed Dec 2, 2025, estimated cost $4K, described as “Installation of temporary overhead protection as per plans. No change in use, egress or occupancy.”
- Alteration, filed Nov 24, 2025, described as “Installation of temporary pipe scaffold as per plans. No change in use, egress or occupancy.”
- Alteration, filed Nov 10, 2025, estimated cost $5K, described as “Installation of 300PSF sidewalk shed as per plans. Sidewalk shed shall comply with chapter 33 of NYC code 2022. No change in use, occupancy or egress under this application.”
- Alteration, filed Nov 10, 2025, estimated cost $5K, described as “Installation of 300PSF sidewalk shed as per plans. Sidewalk shed shall comply with chapter 33 of NYC code 2022. No change in use, occupancy or egress under this application.”
- Alteration, filed Sep 12, 2025, estimated cost $3K, described as “Installation of 8" construction fence”
- Alteration, filed Sep 12, 2025, estimated cost $3K, described as “Installation of 8' Construction fence”
- Alteration, filed Sep 12, 2025, estimated cost $3K, described as “Installation of 8' Construction fence”
- Alteration, filed Sep 12, 2025, estimated cost $3K, described as “Installation of 8' construction fence”
- Alteration, filed Sep 12, 2025, estimated cost $3K, described as “Installation of 8' Construction fence”
- Alteration, filed Sep 12, 2025, estimated cost $3K, described as “Installation of 8" Construction Fence”
- Demolition, filed Jul 16, 2025, estimated cost $15K, described as “Full Demolition of Existing two story building”
- Demolition, filed Jul 16, 2025, estimated cost $10K, described as “Full Demolition of Existing one story building”
- Demolition, filed Jul 16, 2025, estimated cost $15K, described as “Full Demolition of Existing one story building”
- Demolition, filed Jul 16, 2025, estimated cost $15K, described as “Full demolition of Existing two story building”
- Demolition, filed Jul 16, 2025, estimated cost $15K, described as “Full Demolition of Existing two story building”
- Demolition, filed Jul 16, 2025, estimated cost $15K, described as “Full demolition of Existing one Story Building”

## Property taxes

- Assessment: $1,416,600
- 2026–27 tax: $146,302
- Market value (city estimate): $3,148,000
- Taxable value: $1,348,650
- Assessed land: $405,000
- Assessed improvements: $1,011,600

## Zoning

R6: floor area ratio 1.19 built, 2.43 allowed by base zoning.

## Recent sales

- Oct 22, 2025: $6,235,000, sold with other lots

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

## Flood zone

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

## Board and land use applications

- Belmont Osborn Rezoning (City Planning 2020K0390): Zoning map change, Zoning text change, Completed, decided Dec 6, 2023. A zoning map amendment from R6/C1-3 and C4-3 to an R7A/C2-4 and a zoning text amendment to create an MIH area to facilitate two new 7 story developments, totaling appx. 210,000 SF (200 DUs), including appx. 34,000 SF of retail space, is…

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