91 Grand Avenue, Brooklyn
Condominium · 30 units · built c. 1932 · Block 1893, Lot 7503.
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.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
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.