921 Avenue R, Brooklyn
Two-family · built c. 1925 · Block 6666, Lot 78.
Building permits
- Major Renovation — Residential, filed Aug 12, 2026, estimated cost $1.2M, 1 unit in all, 3 stories, described as “- horizontal & vertical enlargement to existing single family, remove existing wood frame and replace with cold form steel and upgrade construction class. See drawing for existing/demo.”
- Alteration, filed Jul 28, 2026, estimated cost $10K, described as “Construction Fence”
Property taxes
- Assessment
- $100,620
- 2026–27 tax
- $12,798
- Market value (city estimate)
- $1,677,000
- Taxable value
- $64,495
- Assessed land
- $20,640
- Assessed improvements
- $79,980
Zoning
R5: floor area ratio 0.58 built, 1.50 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Apr 16, 2026: $4,500,000, 1,858 sq ft ($2,422 per sq ft)
- Aug 4, 2023: $2,999,999
Open-market sales since 2016, from the Department of Finance’s sales files.