# 129 Osborn Street, Brooklyn

Industrial · built c. 1930 · Block 3524, Lot 4.

On Umarelli: https://umarelli.org/nyc/3035240004/129-osborn-street

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

## Building permits

- New Building — Mid-Rise, filed May 20, 2026, 165 units, 11 stories, described as “Propose a new 11-story mixed-use building (UG II for affordable housing and IIIB for community facility) as per the plan. Obtain the new C of O.”
- Demolition, filed May 27, 2026, estimated cost $20K, described as “Full demolition of 1 story commercial structure”

## Property taxes

- Assessment: $90,000
- 2026–27 tax: $9,226
- Market value (city estimate): $200,000
- Taxable value: $85,050
- Assessed land: $17,100
- Assessed improvements: $72,900

## Zoning

R7A: floor area ratio 0.56 built, 4.00 allowed by base zoning.

## Recent sales

- Apr 22, 2025: $3,500,000, 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