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General ConstructionManhattanPermit issued

Office Construction at 1 Madison Avenue, Manhattan

1 MADISON AVENUE, Manhattan, 10010 · Midtown South-Flatiron-Union Square

Winston

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Reported project cost

$599,999

As declared on the permit filing. General Construction.

Issued
May 12, 2026
Expires
September 30, 2026
License
General Contractor

What was permitted

This permit details a significant general construction project involving the removal of existing workstations and the construction of a new office space at 1 Madison Avenue in Manhattan. This type of work is common in commercial buildings and is designed to reconfigure interior layouts without altering the building's fundamental use or occupancy.

The permit for this project was issued on May 12, 2026, with an estimated cost of $599,999.4. JT MAGEN & COMPANY INC is listed as the general contractor for this extensive office renovation.

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View the official permit record

Tracking number, work description, cost and dates

Tracking number372923239
Work permit #M01362879-I1-GC
Job filing number—
Work typeGeneral Construction
StatusPermit Issued
Job descriptionRemoving of existing workstations and constructing an office as per plans filed herewith. No change in use, egress, or occupancy.
Floor / unitFloor Number(s) 20 through 20
Estimated cost$599,999
ApprovedApril 10, 2026
IssuedMay 12, 2026
ExpiresSeptember 30, 2026
BBL—
BIN—

Property owner

Sl Green Realty CORP

Gianna Pilalis

Related searches

general constructionoffice renovationMidtown South-Flatiron-Union SquareManhattanNew York Citypermit issued$500k+ project cost