# 412 Knickerbocker Avenue, Brooklyn

Commercial · built c. 1931 · Block 3278, Lot 27.

On Umarelli: https://umarelli.org/nyc/3032780027/412-knickerbocker-avenue

More construction in Bushwick: https://umarelli.org/nyc/brooklyn/bushwick.md

## Building permits

- Alteration, filed Oct 30, 2025, described as “Installation of temporary sidewalk shed as per plans. No change in use, egress or occupancy.”
- Alteration, filed Aug 5, 2022, estimated cost $85K, described as “Install plumbing fixtures and related piping in conjuction with alteration application JOB#B00669141-I1”
- Alteration, filed Aug 5, 2022, estimated cost $101K, described as “Install sprinkler system in conjuction with alteration application”
- Alteration, filed May 26, 2022, estimated cost $85K, described as “Remove existing front and rear walls and floors with party walls and foundation walls to remain. Filed inconjuction with application # B00669141”
- Alteration, filed May 26, 2022, estimated cost $1K, described as “Foundation work in conjuction with application # B00669141-I1.”
- Alteration, filed May 25, 2022, estimated cost $1K, described as “Partial demolition and structural plans filed in conjunction with alt# B00669141-I1 .”
- Major Renovation — Enlargement, filed Apr 18, 2022, estimated cost $1.3M, 6 units added, 4 stories, described as “Proposed horizontal and vertical enlargement to create an 4-story and penthouse, 8-family mixed use building”

## Property taxes

- Assessment: $291,600
- 2026–27 tax: $28,138
- Market value (city estimate): $648,000
- Taxable value: $259,380
- Assessed land: $84,600
- Assessed improvements: $207,000

## Zoning

C4-3: floor area ratio 1.00 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…

## In the news

[Permits Filed for 412 Knickerbocker Avenue in Bushwick, Brooklyn](https://newyorkyimby.com/2020/09/permits-filed-for-412-knickerbocker-avenue-in-bushwick-brooklyn.html), New York YIMBY, Sep 7, 2020.

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
