31 Lefferts Place, Brooklyn
Two-family · built c. 1910 · Block 2014, Lot 48.
Building permits
- Major Renovation — Enlargement, filed Feb 6, 2026, 1 unit added, 2 stories, described as “Horizontal extension to rear accessory building and addition of ancillary dwelling unit on top of existing garage as accessory use to two-family building”
- Alteration, filed Nov 5, 2021, estimated cost $9K, described as “Existing 3 story frame & cellar 2 family dwelling. Interior renovation work as per plan.”
- Alteration, filed Nov 5, 2021, estimated cost $4K, described as “Plumbing work as per plan”
Property taxes
- Assessment
- $180,060
- 2026–27 tax
- $5,682
- Market value (city estimate)
- $3,001,000
- Taxable value
- $28,633
- Assessed land
- $41,340
- Assessed improvements
- $138,720
Zoning
R6B: floor area ratio 1.45 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Sep 30, 2021: $2,895,000
Open-market sales since 2016, from the Department of Finance’s sales files.