6817 20th Avenue, Brooklyn
Mixed use · 2 units · built c. 1931 · Block 5579, Lot 3.
Building permits
- Alteration, filed May 4, 2021, estimated cost $11K, described as “Install new plumbing fixtures and kitchen appliances in the cellar and 1ST floor of existing 2 story building. Plumbing works as per plan. No change in egress, use, or occupancy.”
- Alteration, filed May 4, 2021, estimated cost $13K, described as “Install new hoods and kitchen exhaust ventilation up to roof on the 1ST floor as plan. No change in egress, use, or occupancy.”
- Alteration, filed Sep 15, 2020, estimated cost $4K, described as “Install two (2) new gas boilers at cellar, and register with boiler division. Also install new two (2) gas hot water heaters at cellar. No change in egress use or occupancy.”
- Alteration, filed Aug 4, 2020, estimated cost $6K, described as “Install two (2) new gas boilers at cellar, and register with boiler division. Also install new two (2) gas hot water heaters at cellar. No change in egress use or occupancy.”
Property taxes
- Assessment
- $189,000
- 2026–27 tax
- $18,833
- Market value (city estimate)
- $420,000
- Taxable value
- $173,610
- Assessed land
- $32,850
- Assessed improvements
- $156,150
Zoning
R5: floor area ratio 1.45 built, 1.50 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.