1421 East 9th Street, Brooklyn
Single family · built c. 1920 · Block 6591, Lot 86.
Building permits
- Major Renovation — Residential, filed Jul 20, 2026, estimated cost $2.3M, 1 unit in all, 3 stories, described as “Alteration applicaiton to comply with NB regulation to renovate and enlarge an existing 2 story building into a 3 story building.”
Property taxes
- Assessment
- $131,760
- 2026–27 tax
- $8,813
- Market value (city estimate)
- $2,196,000
- Taxable value
- $44,416
- Assessed land
- $30,900
- Assessed improvements
- $100,860
Zoning
R5: floor area ratio 0.34 built, 1.50 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jul 21, 2025: $3,200,000
Open-market sales since 2016, from the Department of Finance’s sales files.