Building permitNew York CityPermit Entire

850 Third Avenue Manhattan

Alteration permit in New York City, issued April 21, 2026. Permit #M01246049-S1.

$7.5M
DECLARED VALUE
Permit Entire
STATUS
April 21, 2026
ISSUED
March 27, 2026
FILED

Permit details

Permit numberM01246049-S1
Address850 Third Avenue Manhattan, 10022
Permit typeAlteration
Work descriptionFloor: Cellar, Floor Number(s) 1 through 18, Floor Number(s) 21 through 21
ApplicantDouglas Mass

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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.