5814 6th Avenue, Brooklyn
Three-family · built c. 1899 · Block 856, Lot 41.
Building permits
- Alteration, filed Dec 5, 2022, estimated cost $20K, described as “This application is filed to add construction fence & sidewalk shed work in conjunction with d.o.b. Alt-co application #: B00571911. No change in use, egress or occupancy.”
- Major Renovation — Conversion, filed Aug 7, 2021, 2 units added, 4 stories, described as “Horizontal and vertical enlargement of existing 3-family, 2-story building, convert to community facility @ cellar and 1ST floor, and 5-family, 4-story building. Partition work as per plan. Obtain new certificate of occupancy.”
Property taxes
- Assessment
- $87,120
- 2026–27 tax
- $9,808
- Market value (city estimate)
- $1,452,000
- Taxable value
- $49,426
- Assessed land
- $24,000
- Assessed improvements
- $63,120
Zoning
R6A: floor area ratio 1.48 built, 3.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.