# 220 Martense Street, Brooklyn

Single family · built c. 1920 · Block 5091, Lot 21.

On Umarelli: https://umarelli.org/nyc/3050910021/220-martense-street

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

Every lot on block 5091: https://umarelli.org/nyc/brooklyn/5091.md

## Building permits

- Alteration, filed Jun 20, 2025, estimated cost $37K, described as “Installation of solar panels on roof. No change in use, egress, or occupancy.”

## Property taxes

- Assessment: $58,560
- 2026–27 tax: $3,641
- Market value (city estimate): $976,000
- Taxable value: $34,093
- Assessed land: $23,100
- Assessed improvements: $35,460

## Tax breaks

- Solar abatement, through Jun 30, 2030, a $3,124 credit this tax year.

## Zoning

R6: floor area ratio 0.34 built, 2.43 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