306 Greene Avenue, Brooklyn
Condominium · 5 units · built c. 1900 · Block 1967, Lot 7501.
Building permits
- Alteration, filed Oct 1, 2026, estimated cost $285K, described as “Facade repairs to include masonry, pointing, lintels, sills, stone patching, recladding, coping stones, shingles, reconstruct parapet, main and bulkhead roof replacement (roof deck to remain), railing.”
Property taxes
- Assessment
- $470,250
- 2026–27 tax
- $14,818
- Market value (city estimate)
- $1,045,000
- Taxable value
- $134,161
- Assessed land
- $18,000
- Assessed improvements
- $452,250
- Condo units with their own tax lots
- 5
Tax breaks
- Co-op and condo abatement, with no end date, a $1,879 credit this tax year.
Zoning
R6B: floor area ratio 1.91 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jun 16, 2022: $650,000, Apt 2
- May 30, 2018: $883,000, Apt 1
Open-market sales since 2016, from the Department of Finance’s sales files.