643 Union Street, Brooklyn
Parking · Block 434, Lot 52.
Building permits
- New Building — Multi-Family, filed Mar 10, 2022, estimated cost $2.5M, 22 units, 8 stories, described as “'accepted to development hub - consultation meeting took place 3/3/22': proposed new 8 story mix use commercial & residential building + cellar (commercial on the 1ST floor)”
- Alteration, filed May 23, 2022, estimated cost $10K, described as “Application filed for the installation of a footing element as per drawings. All work in conjunction with the new building under job #B00691141-I1”
- Alteration, filed May 11, 2022, estimated cost $5K, described as “Proposed temporary construction fence associated with new building application #B00691141”
Property taxes
- Assessment
- $352,350
- 2026–27 tax
- $24,193
- Market value (city estimate)
- $783,000
- Taxable value
- $223,020
- Assessed land
- $352,350
Zoning
M1-4/R7A: floor area ratio 0.00 built, 4.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Board and land use applications
- Gowanus Neighborhood Plan (City Planning 2018K0382): Zoning map change, Zoning text change, City map change, Urban development action area, Completed, decided Dec 6, 2021. The Gowanus Neighborhood Plan is a shared, long-term vision for a thriving neighborhood. It looks to identify strategies for an equitable, resilient and sustainable Gowanus, with more local jobs and housing. The Plan supports community…