# 407 Jefferson Avenue, Brooklyn

Four-family · built c. 1900 · Block 1830, Lot 46.

On Umarelli: https://umarelli.org/nyc/3018300046/407-jefferson-avenue

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

Every lot on block 1830: https://umarelli.org/nyc/brooklyn/1830.md

## Building permits

No building permits on file for this lot.

## Property taxes

- Assessment: $415,350
- 2026–27 tax: $11,418
- Market value (city estimate): $923,000
- Taxable value: $91,790
- Assessed land: $17,550
- Assessed improvements: $397,800

## Zoning

R6B: floor area ratio 1.60 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