189 Grafton Street, Brooklyn
Two-family · built c. 1930 · Block 3552, Lot 12.
Building permits
- New Building — Multi-Family, filed Sep 25, 2024, 8 units, 4 stories, described as “Herewith filing a new building or a proposed four (4) story 8 dweeling unit building with penthouse. Obtain a new certificate of occupancy”
- Alteration, filed Aug 4, 2026, estimated cost $7K, described as “Proposed installation of heavy duty sidewalk shed as per plans. Live load 300 lbs per square feet. Sidewalk shed shall comply with chapter #33 of the NYC building code. No change in use, occupancy, or egress under this application.”
- Demolition, filed Feb 9, 2026, estimated cost $5K, described as “Full demolition of existing detached Garage. no work or changes in main building”
- Major Renovation — Conversion, filed Sep 25, 2024, estimated cost $1.0M, 6 units added, 4 stories, described as “Herewith file alteration type 1 to comply with new building requirements, conversion of existing 2 story 2 family dwelling to four (4) story 8 dweeling unit building with penthouse. Obtain a new certificate of occupancy.”
Property taxes
- Assessment
- $45,780
- 2026–27 tax
- $2,976
- Market value (city estimate)
- $763,000
- Taxable value
- $14,999
- Assessed land
- $24,480
- Assessed improvements
- $21,300
Zoning
R6: floor area ratio 0.43 built, 2.43 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- May 28, 2024: $999,000
Open-market sales since 2016, from the Department of Finance’s sales files.