# 12 2nd Avenue, Brooklyn

Vacant land · Block 977, Lot 3.

On Umarelli: https://umarelli.org/nyc/3009770003/12-2-avenue

More construction in Park Slope: https://umarelli.org/nyc/brooklyn/park-slope.md

## Building permits

- New Building — Non-residential, filed Mar 26, 2026, 2 stories, described as “NYC dep cso facilities for gowanus canal construction package 3 - oh-007. This application includes earthwork, foundation, structural, and mechanical systems (HVAC) work types.”
- Alteration, filed Jan 25, 2024, estimated cost $100K, described as “Removal of temporary structure”

## Property taxes

- Assessment: $6,086,250
- Market value (city estimate): $13,525,000
- Taxable value: $0
- Assessed land: $6,086,250

## Zoning

M2-1: floor area ratio 0.00 built, 2.00 allowed by base zoning.

## Flood zone

Current FEMA flood map: zone AE, high risk: a 1% chance of flooding each year, base flood elevation 10 ft (NGVD29). FEMA’s preliminary map: zone AE, high risk: a 1% chance of flooding each year, base flood elevation 11 ft (NAVD88).

## Board and land use applications

- Gowanus Canal CSO Facility - Owls Head (City Planning 2019K0144): City map change, Completed, filed Apr 22, 2020, decided Nov 30, 2021. A joint Site Selection and Acquisition of property by the City, a standalone Site Selection, and change to the City Map to facilitate a new combined sewer overflow (CSO) facility and DSNY storage facility are being sought by NYC Department…

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