6601 20th Avenue, Brooklyn
Mixed use · 5 units · built c. 1931 · Block 5563, Lot 10.
Building permits
- Alteration, filed Sep 27, 2025, estimated cost $18K, described as “Proposed bricks replacement of the parapet wall to be done as needed, as per plans.no change in use, occupancy, or egress under this application.”
- Alteration, filed Sep 11, 2025, estimated cost $9K, 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.”
Property taxes
- Assessment
- $589,500
- 2026–27 tax
- $16,330
- Market value (city estimate)
- $1,310,000
- Taxable value
- $131,279
- Assessed land
- $13,050
- Assessed improvements
- $576,450
Zoning
R5: floor area ratio 2.63 built, above the 1.50 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Oct 27, 2022: $2,200,000
Open-market sales since 2016, from the Department of Finance’s sales files.