# 10 Martense Court, Brooklyn

Single family · built c. 1930 · Block 5086, Lot 80.

On Umarelli: https://umarelli.org/nyc/3050860080/10-martense-court

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

Every lot on block 5086: https://umarelli.org/nyc/brooklyn/5086.md

## Building permits

No building permits on file for this lot.

## Property taxes

- Assessment: $81,240
- 2026–27 tax: $7,810
- Market value (city estimate): $1,354,000
- Taxable value: $39,360
- Assessed land: $19,620
- Assessed improvements: $61,620

## Zoning

R6B: floor area ratio 0.91 built, 2.00 allowed by base zoning.

## Recent sales

- Nov 18, 2025: $1,375,000

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