# 129 Martense Street, Brooklyn

Condominium · 8 units · built c. 1901 · Block 5087, Lot 7501.

On Umarelli: https://umarelli.org/nyc/3050877501/129-martense-street

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

Every lot on block 5087: https://umarelli.org/nyc/brooklyn/5087.md

## Building permits

No building permits on file for this lot.

## Property taxes

- Assessment: $901,349
- 2026–27 tax: $11,900
- Market value (city estimate): $2,003,000
- Taxable value: $116,761
- Assessed land: $117,000
- Assessed improvements: $784,349
- Condo units with their own tax lots: 8

## Tax breaks

- Co-op and condo abatement, with no end date, a $2,624 credit this tax year.

## Zoning

R7-1: floor area ratio 2.56 built, 3.44 allowed by base zoning.

## Recent sales

- Apr 9, 2025: $770,000, Apt 4A
- Nov 15, 2019: $514,216, Apt 3A
- May 21, 2019: $494,000, Apt 1A
- May 21, 2019: $549,000, Apt 3B
- May 16, 2019: $590,000, Apt 1B
- May 16, 2019: $525,000, Apt 2A
- May 16, 2019: $554,946, Apt 2B
- May 16, 2019: $770,000, Apt 4A
- May 16, 2019: $520,000, Apt 4B

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