139 Conselyea Street, Brooklyn
Two-family · built c. 1901 · Block 2754, Lot 38.
Building permits
- Major Renovation — Conversion, filed Oct 28, 2026, 4 units added, 4 stories, described as “Convert 2-family 2-story to 6-family, 4-story residential building. Obtain new certificate of occupancy.”
- Alteration, filed Jul 24, 2023, estimated cost $750, described as “Construction fence installation”
Property taxes
- Assessment
- $129,420
- 2026–27 tax
- $3,770
- Market value (city estimate)
- $2,157,000
- Taxable value
- $19,000
- Assessed land
- $22,080
- Assessed improvements
- $107,340
Zoning
R6B: floor area ratio 0.68 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Aug 21, 2026: $2,500,000, 1,705 sq ft ($1,466 per sq ft)
- Jun 29, 2023: $1,850,000
Open-market sales since 2016, from the Department of Finance’s sales files.