# 89 Throop Avenue, Brooklyn

Apartment building · 24 units · built 2022 · Block 2273, Lot 33.

On Umarelli: https://umarelli.org/nyc/3022730033/89-throop-avenue

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

## Building permits

- New Building — Multi-Family, filed Jun 15, 2021, 24 units, 5 stories, described as “5 story mixed use building - house of worship and 24 dwelling units”
- Alteration, filed Dec 17, 2025, estimated cost $1K, described as “Alt-GC application hereby filed for a temporary structure in conjunction with TPA; job number: B01334947-I1.”
- No Work, filed Dec 16, 2025, described as “Temporary Place of Assembly for a grand party.”
- No Work, filed Jan 24, 2024
- Alteration, filed Mar 23, 2023, estimated cost $5K, described as “Installation of pipe scaffolding as per plans. Pipe scaffolding shall comply with chapter #33 of the NYC code. No change in use, egress or occupancy under this application.”
- Alteration, filed Nov 30, 2022, estimated cost $5K, described as “Installation of 300 psf sidewalk shed, overhead protection and roof protection as per plans. All equipment shall comply with chapter #33 of the code. No change in use, egress or occupancy under this application.”
- Alteration, filed Oct 19, 2022, described as “Installation of temporary sidewalk shed as per plans. No change in use, egress or occupancy.”
- Alteration, filed Oct 19, 2022, estimated cost $4K, described as “Installation of temporary roof protection as per plans. No change in use, egress or occupancy.”
- Alteration, filed Oct 19, 2022, estimated cost $4K, described as “Installation of temporary overhead protection as per plans. No change in use, egress or occupancy.”
- Alteration, filed Oct 19, 2022, described as “Installation of temporary pipe scaffold as per plans. No change in use, egress or occupancy.”
- Alteration, filed May 15, 2021, estimated cost $160, described as “Proposed construction fence. No change to use, egress or occupancy under this application.”
- Alteration, filed May 15, 2021, estimated cost $160, described as “Proposed construction fence. No change to use, egress or occupancy under this application.”

## Property taxes

- Assessment: $3,708,000
- 2026–27 tax: $448,677
- Market value (city estimate): $8,240,000
- Taxable value: $3,607,020
- Assessed land: $427,500
- Assessed improvements: $3,280,500

## Zoning

R6: floor area ratio 4.39 built, above the 2.43 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- Jun 21, 2016: $1,700,000

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

## Flood zone

Current FEMA flood map: zone X, minimal flood hazard.

## In the news

[Construction Nears Completion on 89 Throop Avenue in South Williamsburg, Brooklyn](https://newyorkyimby.com/2024/09/construction-nears-completion-on-89-throop-avenue-in-south-williamsburg-brooklyn.html), New York YIMBY, Sep 8, 2024.

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