# 4423 9th Avenue, Brooklyn

Three-family · built c. 1925 · Block 5607, Lot 1.

On Umarelli: https://umarelli.org/nyc/3056070001/4423-9-avenue

More construction in Borough Park: https://umarelli.org/nyc/brooklyn/borough-park.md

Every lot on block 5607: https://umarelli.org/nyc/brooklyn/5607.md

## Building permits

No building permits on file for this lot.

## Property taxes

- Assessment: $102,720
- 2026–27 tax: $11,091
- Market value (city estimate): $1,712,000
- Taxable value: $55,895
- Assessed land: $24,780
- Assessed improvements: $77,940

## Zoning

R6: floor area ratio 1.42 built, 2.43 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