# 646 Jefferson Avenue, Brooklyn

Two-family · built c. 1901 · Block 1656, Lot 13.

On Umarelli: https://umarelli.org/nyc/3016560013/646-jefferson-avenue

More construction in Bedford-Stuyvesant: https://umarelli.org/nyc/brooklyn/bedford-stuyvesant.md

Every lot on block 1656: https://umarelli.org/nyc/brooklyn/1656.md

## Building permits

No building permits on file for this lot.

## Property taxes

- Assessment: $106,140
- 2026–27 tax: $5,545
- Market value (city estimate): $1,769,000
- Taxable value: $27,946
- Assessed land: $20,160
- Assessed improvements: $85,980

## Zoning

R6B: floor area ratio 1.38 built, 2.00 allowed by base zoning.

## 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