268 Kosciuszko Street, Brooklyn
Two-family · built c. 1899 · Block 1786, Lot 20.
Building permits
- Major Renovation — Conversion, filed Jan 13, 2026, estimated cost $531K, 1 unit added, 3 stories, described as “Refile plans and applications previously approved under job #340784636 converting existing dwelling from 2-family to 3-family, upgrade construction classification from class 4 to 2B, horizontal enlargement at rear, obtain new c.o., see…”
- Alteration, filed Aug 19, 2021, estimated cost $11K, described as “Install new automatic wet-pipe sprinkler system at cellar and floors 1 through 3. No change in use, egress or occupancy under this application.”
- Alteration, filed Aug 19, 2021, estimated cost $50K, described as “Install new heat pump units for each dwelling, electric heating in public parts. Install mechanical ventilation for bathrooms, cooking spaces and public parts per code requirements. No change in use, egress or occupancy under this…”
- Alteration, filed Feb 2, 2021, estimated cost $4K, described as “PAA submitted herewith for resolution of violations described herein. Revised drawing number information to coincide with current document number where bubbled on drawings. No changes to work scope or cost under this PAA.”
- Alteration, filed Aug 19, 2019, estimated cost $7K, described as “Provide temporary construction fence at front yard perimeter, 39 linear feet total.”
- Alteration, filed Aug 19, 2019, estimated cost $94K, described as “Provide new concrete footings at cellar for new structural tubing posts, replace existing wood beams with new structural steel primary framing and C-joists floors 2, 3 and roof. Sister existing wood beams with C-joists at 1st floor only.”
Property taxes
- Assessment
- $92,280
- 2026–27 tax
- $5,057
- Market value (city estimate)
- $1,538,000
- Taxable value
- $25,484
- Assessed land
- $13,620
- Assessed improvements
- $78,660
Zoning
R6B: floor area ratio 1.55 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.