# 6403 20th Avenue, Brooklyn

Single family with store · built c. 1931 · Block 5549, Lot 9.

On Umarelli: https://umarelli.org/nyc/3055490009/6403-20-avenue

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

Every lot on block 5549: https://umarelli.org/nyc/brooklyn/5549.md

## Building permits

- Alteration, filed Jan 20, 2020, estimated cost $14K, described as “Mechanical work of mix-use building with installation of new split ac units. No change in use, egress or occupancy.”

## Property taxes

- Assessment: $80,940
- 2026–27 tax: $8,517
- Market value (city estimate): $1,349,000
- Taxable value: $42,924
- Assessed land: $13,740
- Assessed improvements: $67,200

## Zoning

R5: floor area ratio 1.24 built, 1.50 allowed by base zoning.

## Recent sales

- Sep 18, 2020: $1,350,000, 2,236 sq ft ($604 per sq ft)

Open-market sales since 2016, from the Department of Finance’s sales files.

## 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