630 Humboldt Street, Brooklyn
Two-family with store · built c. 1901 · Block 2686, Lot 55.
Building permits
- Alteration, filed Apr 2, 2026, estimated cost $3K, described as “Installation of boom truck as per plan.”
- Alteration, filed May 7, 2025, estimated cost $8K, described as “Installation of construction fence 99' lf.”
- Major Renovation — Conversion, filed Sep 4, 2024, estimated cost $698K, 5 units added, 4 stories, described as “Application filed for horizontal and vertical enlargement of existing mixed use converted to seven (7) family dwellings. Application filed in conjunction with PL, SP, MS, and Partial Demolition. Obtain new certificate of occupancy.”
Property taxes
- Assessment
- $124,080
- 2026–27 tax
- $7,073
- Market value (city estimate)
- $2,068,000
- Taxable value
- $35,645
- Assessed land
- $12,780
- Assessed improvements
- $111,300
Zoning
R6B: floor area ratio 0.94 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jul 17, 2024: $1,900,000
Open-market sales since 2016, from the Department of Finance’s sales files.