# 503 1st Street, Brooklyn

Two-family · built c. 1890 · Block 1074, Lot 47.

On Umarelli: https://umarelli.org/nyc/3010740047/503-1-street

More construction in Park Slope: https://umarelli.org/nyc/brooklyn/park-slope.md

Every lot on block 1074: https://umarelli.org/nyc/brooklyn/1074.md

## Building permits

- Alteration, filed Apr 17, 2026, estimated cost $1K, described as “Installation of temporary heavy duty sidewalk shed as per plans. No change in use, egress or occupancy. Sidewalk shed shall comply with chapter #33 of 2022 the NYC building code. Live load 300PSF.”
- Alteration, filed Apr 17, 2026, estimated cost $1K, described as “Proposed installation of temporary pipe scaffold as per plans. Work shall comply with chapter #33 of 2022 the NYC building code. No change in use, occupancy, or egress under this application.”

## Property taxes

- Assessment: $340,440
- 2026–27 tax: $16,147
- Market value (city estimate): $5,674,000
- Taxable value: $81,376
- Assessed land: $39,000
- Assessed improvements: $301,440

## Zoning

R6B: floor area ratio 1.95 built, 2.00 allowed by base zoning.

## Recent sales

- Jul 13, 2017: $3,995,000

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

## Flood zone

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

## Landmarks

Part of Park Slope Historic District (Historic District). 3 Landmarks Preservation Commission permits are on file.

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