# 74 Throop Avenue, Brooklyn

Industrial · built 1998 · Block 2266, Lot 30.

On Umarelli: https://umarelli.org/nyc/3022660030/74-throop-avenue

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

## Building permits

- Alteration, filed Sep 29, 2026, estimated cost $4K, described as “Installation of temporary overhead protection as per plans. No change in use, egress or occupancy.”
- Alteration, filed Sep 29, 2026, described as “Installation of temporary pipe scaffold as per plans. No change in use, egress or occupancy.”
- Alteration, filed Sep 29, 2026, estimated cost $4K, described as “Installation of temporary roof protection as per plans. No change in use, egress or occupancy.”
- Alteration, filed Sep 14, 2026, estimated cost $6K, described as “Installation of temporary personnel hoist as per plans. No change in use, egress or occupancy.”
- Alteration, filed Jul 24, 2026, described as “Installation of temporary sidewalk shed as per plans. No change in use, egress or occupancy.”
- Major Renovation — Enlargement, filed Oct 6, 2025, estimated cost $6.4M, 8 units added, 8 stories, described as “Proposed 8-Story, 8-Family residential building”
- Alteration, filed Jun 9, 2022, estimated cost $2K, described as “Installing 8 foot high construction fence around property”
- Alteration, filed Jun 3, 2022, estimated cost $71K, described as “421-A Foundation work in conjunction with NB job number 321562037”

## Property taxes

- Assessment: $236,700
- 2026–27 tax: $25,677
- Market value (city estimate): $526,000
- Taxable value: $236,700
- Assessed land: $31,500
- Assessed improvements: $205,200

## Zoning

R7A: floor area ratio 1.00 built, 4.00 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