# 503 12th Street, Brooklyn

Apartment building · 34 units · built c. 1916 · Block 1097, Lot 56.

Some of the city’s records for this lot were still loading when this page was made; it refreshes within minutes.

On Umarelli: https://umarelli.org/nyc/3010970056/503-12-street

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

Every lot on block 1097: https://umarelli.org/nyc/brooklyn/1097.md

## Building permits

Permit records are unavailable right now; the map lists them once the city responds.

## Property taxes

- Assessment: $3,211,200
- 2026–27 tax: $339,178
- Market value (city estimate): $7,136,000
- Taxable value: $2,726,730
- Assessed land: $360,000
- Assessed improvements: $2,851,200

## Zoning

R6B: floor area ratio 3.00 built, above the 2.00 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- Dec 1, 2020: $11,100,000, 30,047 sq ft ($369 per sq ft)

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). 21 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