# 28 Throop Avenue, Brooklyn

Mixed use · 6 units · built c. 1931 · Block 2242, Lot 37.

On Umarelli: https://umarelli.org/nyc/3022420037/28-throop-avenue

More construction in Williamsburg: https://umarelli.org/nyc/brooklyn/williamsburg.md

Every lot on block 2242: https://umarelli.org/nyc/brooklyn/2242.md

## Building permits

- Alteration, filed Aug 3, 2026, estimated cost $25K, described as “Installation of plumbing fixtures and cooking equipment for new kitchen all as per plans filed here with.”
- Alteration, filed May 25, 2021, estimated cost $12K, described as “Alteration type 3 - construction equipment - scaffolding installation of pipe scaffold as per plans. Pipe scaffold shall comply withchapter 33 of the NYC building code. No change in use, egress or occupancy.”
- Alteration, filed Apr 29, 2021, estimated cost $9K, described as “Proposed installation of heavy duty sidewalk shed as per plans. Live load 300 per square feet. Sidewalk shed shall comply with chapter # 33 of the 2014 code. No change in use occupancy or egress under this application.”
- Alteration, filed Mar 23, 2021, estimated cost $15K, described as “Exterior renovation on the facade only. No interior work. No change of use ,occupancy or egress, and no change to the existing gross or zoning area.”

## Property taxes

- Assessment: $551,250
- 2026–27 tax: $8,928
- Market value (city estimate): $1,225,000
- Taxable value: $71,778
- Assessed land: $5,400
- Assessed improvements: $545,850

## Zoning

R6A: floor area ratio 1.92 built, 3.00 allowed by base zoning.

## Flood zone

Current FEMA flood map: zone X, minimal flood hazard. FEMA’s preliminary map: zone X, moderate risk: a 0.2% chance of flooding each year.

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