# 400 Avenue T, Brooklyn

Single family · built 2023 · Block 7104, Lot 456.

On Umarelli: https://umarelli.org/nyc/3071040456/400-gar-avenue-t

More construction in Ocean Parkway: https://umarelli.org/nyc/brooklyn/ocean-parkway.md

## Building permits

- New Building, filed Jul 21, 2025, 1 story, described as “New cmu & stucco veneer accessory shed herewith being erected”
- New Building — Residential, filed Nov 22, 2021, estimated cost $1.8M, 1 unit, 3 stories, described as “Extend first floor greenhouse in the south east corner of the house”
- Alteration, filed Dec 29, 2025, estimated cost $250K, described as “Herewith filing for the installation of a new mechanical system”
- Alteration, filed Dec 28, 2022, estimated cost $100K, described as “Herewith filing support of excavation plans in conjunction with application # B00628171”
- Alteration, filed Dec 20, 2022, estimated cost $125K, described as “Herewith filing foundation and earthwork plans in conjunction with application # B00628171”
- Alteration, filed Jun 28, 2022, estimated cost $3K, described as “Wood construction fence”
- Alteration, filed May 25, 2022, estimated cost $10K, described as “Proposed 10' curb cut”
- Alteration, filed Mar 17, 2022, estimated cost $85K, described as “Herewith filing structural plans in conjunction with application # B00628171”
- Alteration, filed Mar 10, 2022, estimated cost $165K, described as “Herewith filing plumbing plans in conjunction with application # B00628171”

## Property taxes

- Assessment: $131,280
- 2026–27 tax: $26,050
- Market value (city estimate): $2,188,000
- Taxable value: $131,280
- Assessed land: $33,900
- Assessed improvements: $97,380

## Zoning

R3-1: floor area ratio 1.35 built, above the 0.75 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- Nov 12, 2020: $3,950,000, 2,093 sq ft ($1,887 per sq ft)

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

## Flood zone

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

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