9A North Henry Street, Brooklyn
Three-family · built c. 1910 · Block 2831, Lot 19.
Building permits
- Major Renovation — Residential, filed Jun 1, 2026, estimated cost $693K, 1 unit in all, 3 stories, described as “Proposed vertical enlargement of existing 3-story building by increasing floor-to-floor heights. Building to remain 3-story.convert existing 2-dwelling units into 1-dwelling unit.obtain new certificate of occupancy.”
- Major Renovation — Residential, filed Jun 1, 2026, estimated cost $1.1M, 1 unit in all, 4 stories, described as “Proposed two story vertical enlargement on existing 2 story residential building.convert existing 2-dwelling units into 1-dwelling unit. Obtain new certificate of occupancy”
- Alteration, filed Apr 7, 2026, estimated cost $71K, described as “Interior demolition on existing two (2)-family, three (3) story-frame residential building with cellar. No change of building bulk, occupancy, or egress”
- Alteration, filed Apr 7, 2026, estimated cost $86K, described as “Interior demolition on existing three (3)-family, two (2) story brick & frame residential building withcellar.no change of building bulk, occupancy or egress”
Property taxes
- Assessment
- $102,600
- 2026–27 tax
- $7,722
- Market value (city estimate)
- $1,710,000
- Taxable value
- $38,915
- Assessed land
- $11,160
- Assessed improvements
- $91,440
Zoning
R6B: floor area ratio 1.68 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Apr 16, 2026: $2,500,000, 4,200 sq ft ($595 per sq ft)
Open-market sales since 2016, from the Department of Finance’s sales files.