421 Knickerbocker Avenue, Brooklyn
Commercial · built c. 1931 · Block 3279, Lot 4.
Building permits
- Alteration, filed Jun 4, 2024, estimated cost $42K, described as “Mechanical work(replacement of HVAC roof top unit).**no change in use, occupancy, or egress is involved under this application**”
Property taxes
- Assessment
- $732,150
- 2026–27 tax
- $70,891
- Market value (city estimate)
- $1,627,000
- Taxable value
- $653,490
- Assessed land
- $84,600
- Assessed improvements
- $647,550
Zoning
C4-3: floor area ratio 2.14 built, 3.40 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Board and land use applications
- Bushwick Neighborhood Plan (City Planning 2019K0199): Completed. This is an application for a 300-block section of Bushwick, Brooklyn, Community District 4 to create a thriving and inclusive Bushwick through preservation and creation of affordable housing, targeted investments in neighborhood…