Building permitNew York CityPermit Entire

421 Grand Avenue Brooklyn

Alteration CO permit in New York City, issued June 18, 2026. Permit #B01320919-I1.

$750K
DECLARED VALUE
Permit Entire
STATUS
June 18, 2026
ISSUED
November 26, 2025
FILED

Permit details

Permit numberB01320919-I1
Address421 Grand Avenue Brooklyn, 11238
Permit typeAlteration CO
ApplicantJian Yang

Recent permits nearby (ZIP 11238)

Watching this neighborhood?

Get an email within minutes when a new New York City permit matches your trade, ZIP codes, or valuation range. Free to start.

Set up a free alert →

Source: New York City official permit records (New York City Department of Buildings (DOB)), retrieved by The Permit Sheet. Verify current status with the issuing department via DOB NOW Public Portal before relying on it.