# 507 Ralph Avenue, Brooklyn

Single family with store · built c. 1899 · Block 1462, Lot 2.

On Umarelli: https://umarelli.org/nyc/3014620002/507-ralph-avenue

More construction in Ocean Hill: https://umarelli.org/nyc/brooklyn/ocean-hill.md

## Building permits

- Major Renovation — Conversion, filed Oct 14, 2026, estimated cost $1.3M, 5 units added, 4 stories, described as “Enlargement of existing two story mixed use building form one dwelling above retail store to convert to four and one-third story, mixed use building with six (6) dwelling units with retail space on the ground floor and obtain a certificate…”

## Property taxes

- Assessment: $46,380
- 2026–27 tax: $2,755
- Market value (city estimate): $773,000
- Taxable value: $13,886
- Assessed land: $6,720
- Assessed improvements: $39,660

## Zoning

R6: floor area ratio 0.88 built, 2.43 allowed by base zoning.

## Recent sales

- May 19, 2026: $260,000, 1,788 sq ft ($145 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.

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