534 Jamaica Avenue, Brooklyn
Two-family · built c. 1901 · Block 3911, Lot 21.
Building permits
- Alteration, filed Oct 29, 2026, estimated cost $186K, described as “Proposed mezzanine asaccessory use to EXISTING2ND floor dwelling. Nochange in number ofdwelling units; 2 familiesto remain. Split system located at roof.”
Property taxes
- Assessment
- $78,060
- 2026–27 tax
- $5,991
- Market value (city estimate)
- $1,301,000
- Taxable value
- $30,191
- Assessed land
- $17,940
- Assessed improvements
- $60,120
Zoning
R4: floor area ratio 1.65 built, above the 1.00 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.