# 91 Grand Avenue, Brooklyn

Condominium · 30 units · built c. 1932 · Block 1893, Lot 7503.

On Umarelli: https://umarelli.org/nyc/3018937503/91-grand-avenue

More construction in Clinton Hill: https://umarelli.org/nyc/brooklyn/clinton-hill.md

Every lot on block 1893: https://umarelli.org/nyc/brooklyn/1893.md

## Building permits

- Alteration, filed Apr 7, 2019, estimated cost $9K, described as “Alteration type 3 - construction equipment - sidewalk-shed proposed installation of heavy duty sidewalk shed for remedial repairs as per plans. No change in use occupancy or egress under this application. Live LOAD300 per square feet.…”

## Property taxes

- Assessment: $2,703,153
- 2026–27 tax: $272,333
- Market value (city estimate): $6,007,000
- Taxable value: $2,432,646
- Assessed land: $364,950
- Assessed improvements: $2,338,203
- Condo units with their own tax lots: 30

## Tax breaks

- Co-op and condo abatement, with no end date, a $30,264 credit this tax year.

## Zoning

R7A: floor area ratio 3.68 built, 4.00 allowed by base zoning.

## Recent sales

- Apr 20, 2026: $928,000, Apt 2A
- Jan 16, 2025: $770,000, Apt 2E
- May 23, 2023: $950,000, Apt 3B
- Dec 15, 2022: $1,120,000, Apt 4B
- Nov 9, 2021: $650,000, Apt 5D
- Sep 17, 2021: $790,000, Unit LOFTC
- Aug 20, 2021: $870,000, Apt 5B
- Jun 18, 2021: $875,000, Unit LOFTB
- May 12, 2021: $815,000, Apt 2A
- Apr 26, 2021: $775,000, Apt 4A

The 10 most recent of 24 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