# 423 Autumn Avenue, Brooklyn

New or merged lot · Block 4180, Lot 19.

The city hasn’t published tax or zoning records for this lot yet; new and merged lots usually appear within a few months.

On Umarelli: https://umarelli.org/nyc/3041800019/423-autumn-avenue

## Building permits

- New Building — Multi-Family, filed Jul 22, 2026, 5 units, 3 stories, described as “New three (3) story five family semi-attached dwelling.”

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