# 173 Clarkson Avenue, Brooklyn

Two-family · built c. 1905 · Block 5056, Lot 71.

On Umarelli: https://umarelli.org/nyc/3050560071/173-clarkson-avenue

More construction in Flatbush: https://umarelli.org/nyc/brooklyn/flatbush.md

Every lot on block 5056: https://umarelli.org/nyc/brooklyn/5056.md

## Building permits

No building permits on file for this lot.

## Property taxes

- Assessment: $86,340
- 2026–27 tax: $7,500
- Market value (city estimate): $1,439,000
- Taxable value: $37,795
- Assessed land: $21,900
- Assessed improvements: $64,440

## Zoning

R7-1: floor area ratio 0.93 built, 3.44 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