# 166 Martense Street, Brooklyn

Apartment building · 8 units · built c. 1915 · Block 5090, Lot 38.

On Umarelli: https://umarelli.org/nyc/3050900038/166-martense-street

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

## Building permits

- Alteration, filed Aug 21, 2023, estimated cost $5K, described as “Installation of pipe scaffolding as per plans. All equipment shall comply with chapter # 33 of the 2022 code. No change in use occupancy or egress under this application.”
- Alteration, filed Nov 3, 2022, estimated cost $3K, described as “Installation of a temporary heavy-duty sidewalk shed per plan submitted. Work shall comply with 2014 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed Aug 30, 2022, estimated cost $168K, described as “Submit plumbing work on cellar, 1ST~4TH floor, 3RD fl. Mezzanine, penthouse and open space, in conjunction with ALT1 application #B00688825, no change in use, egress or occupancy.”
- Alteration, filed Aug 25, 2022, estimated cost $80K, described as “Mechanical work in conjunction with gc job #B00688825.”
- Alteration, filed Aug 25, 2022, estimated cost $80K, described as “Proposed soe and structural work , in conjunction with co JOB#B00688825-I1.”
- Alteration, filed Aug 24, 2022, estimated cost $5K, described as “Submit fence work on osp, in conjunction with ALT1 #B00688825, no change in use, egress or occupancy.”
- Alteration, filed Aug 24, 2022, estimated cost $96K, described as “Submit sprinkler work on cellar, 1ST to 4TH floor, 3RD floor mezzanine, penthouse and osp, in conjunction with ALT1 #B00688825, no change in use, egress or occupancy.”
- Major Renovation — Conversion, filed Feb 28, 2022, estimated cost $526K, 6 units added, 4 stories, described as “Convert existing 2 families to 8 families use, horizontal and vertical enlargement at cellar, 1ST thru 4TH floor, mezzanine and penthouse, obtain new certificate of occupancy.”

## Property taxes

- Assessment: $905,850
- 2026–27 tax: $17,889
- Market value (city estimate): $2,013,000
- Taxable value: $143,811
- Assessed land: $156,150
- Assessed improvements: $749,700

## Zoning

R7-1: floor area ratio 3.64 built, above the 3.44 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- Apr 14, 2022: $1,200,000

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

## Flood zone

Current FEMA flood map: zone X, minimal flood hazard.

## In the news

[Permits Filed for 166 Martense Street in Flatbush, Brooklyn](https://newyorkyimby.com/2024/09/permits-filed-for-166-martense-street-in-flatbush-brooklyn.html), New York YIMBY, Sep 25, 2024.

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