# 5809 20th Avenue, Brooklyn

Four-family · built c. 1931 · Block 5507, Lot 7.

On Umarelli: https://umarelli.org/nyc/3055070007/5809-20-avenue

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

Every lot on block 5507: https://umarelli.org/nyc/brooklyn/5507.md

## Building permits

No building permits on file for this lot.

## Property taxes

- Assessment: $639,450
- 2026–27 tax: $11,338
- Market value (city estimate): $1,421,000
- Taxable value: $89,762
- Assessed land: $92,700
- Assessed improvements: $546,750

## Zoning

R5: floor area ratio 1.25 built, 1.50 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