# 24 Throop Avenue, Brooklyn

Two-family with store · built c. 1931 · Block 2242, Lot 35.

On Umarelli: https://umarelli.org/nyc/3022420035/24-throop-avenue

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

## Building permits

- Alteration, filed Jun 22, 2026, estimated cost $150K, described as “Plumbing application filed herewith for plumbing work type, installation of new plumbing fixtures and cold and hot water pipes”
- Alteration, filed Apr 28, 2026, estimated cost $15K, described as “Legalization of existing shoring supporting the roof and first floor, and removal of unsupported chimney.”
- Alteration, filed Apr 17, 2026, estimated cost $5K, described as “Application filed herewith for the installation of a temporary construction fence”
- Major Renovation — Residential, filed Feb 4, 2026, estimated cost $1.1M, 2 units in all, 4 stories, described as “Application filed herewith to verically and horizonally enlarge an existing two story + basement building into a four story + mezzanine and penthouse two family buidling”
- Alteration, filed Dec 31, 2025, estimated cost $15K, described as “Application filed herewith for facade alteration of an existing 3 story building”

## Property taxes

- Assessment: $81,960
- 2026–27 tax: $2,983
- Market value (city estimate): $1,366,000
- Taxable value: $15,034
- Assessed land: $5,700
- Assessed improvements: $76,260

## Zoning

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

## Recent sales

- Nov 26, 2024: $1,250,000

Open-market sales since 2016, from the Department of Finance’s sales files.

## 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