712 5th Avenue, Brooklyn
Commercial · built 1950 · Block 646, Lot 42.
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Building permits
- Alteration, filed Apr 4, 2026, estimated cost $9K, described as “Installation of 300PSF sidewalk shed and pipe scaffolding as per plans. All equipment shall comply with ch #33 of the NYC code 2022. No change in use, occupancy or egress under this application.”
- Alteration, filed Mar 17, 2026, estimated cost $1K, described as “Install temporary construction fence with general construction work as per plan filed herewith. No change in use, egress or certificate of occupancy.”
- Major Renovation — Enlargement, filed Oct 23, 2025, estimated cost $2.6M, 8 units added, 4 stories, described as “Vertical enlargement of existing 1-story commercial building to create a mixed-use building as per the drawings filed herein.”
Property taxes
- Assessment
- $127,800
- 2026–27 tax
- $13,454
- Market value (city estimate)
- $284,000
- Taxable value
- $124,020
- Assessed land
- $50,850
- Assessed improvements
- $76,950
Zoning
R6A: floor area ratio 1.00 built, 3.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Feb 20, 2026: $1,900,000, 2,500 sq ft ($760 per sq ft)
Open-market sales since 2016, from the Department of Finance’s sales files.