# 534 Jamaica Avenue, Brooklyn

Two-family · built c. 1901 · Block 3911, Lot 21.

On Umarelli: https://umarelli.org/nyc/3039110021/534-jamaica-avenue

More construction in Cypress Hills: https://umarelli.org/nyc/brooklyn/cypress-hills.md

Every lot on block 3911: https://umarelli.org/nyc/brooklyn/3911.md

## 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.

From New York City and Jersey City public records, refreshed within a day of each release. Sources: https://umarelli.org/sources. Methodology and corrections: https://umarelli.org/methodology