689 Ralph Avenue, Brooklyn
Commercial · built c. 1930 · Block 3509, Lot 8.
Building permits
- Major Renovation — Conversion, filed Jan 24, 2023, estimated cost $236K, 6 units added, 4 stories, described as “Enlargement to convert a single-story building, to retain the existing commercial unit and add (6) new residential units.”
Property taxes
- Assessment
- $173,250
- 2026–27 tax
- $15,836
- Market value (city estimate)
- $385,000
- Taxable value
- $145,980
- Assessed land
- $39,600
- Assessed improvements
- $133,650
Zoning
R6: floor area ratio 0.95 built, 2.43 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.