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Mechanical SystemsManhattanPermit issued

HVAC System Modifications at 900 Third Avenue, Manhattan

900 THIRD AVENUE, Manhattan, 10022 · East Midtown-Turtle Bay

Winston

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Reported project cost

$319,997

As declared on the permit filing. Mechanical Systems.

Issued
October 21, 2026
Expires
December 31, 2026
License
General Contractor

What was permitted

This permit details significant upgrades to the existing HVAC system within a commercial building located on the 1st and mezzanine floors. Homeowners and property managers can use this as a reference for the scale and cost of similar mechanical system overhauls in Manhattan.

The permit was issued on October 21, 2026, with an estimated project cost of $319,997.4. GANNON CONTRACTING LLC is listed as the general contractor for this extensive mechanical work.

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View the official permit record

Tracking number, work description, cost and dates

Tracking number658472482
Work permit #M01472579-I1-MS
Job filing number—
Work typeMechanical Systems
StatusPermit Issued
Job descriptionModifications to the existing HVAC system on the 1st and mezzanine floors (LL Work) as per plans. No change to use, egress or occupancy.
Floor / unitFloor Number(s) 1 through 1, Mezzanine 1 through 2
Estimated cost$319,997
ApprovedOctober 20, 2026
IssuedOctober 21, 2026
ExpiresDecember 31, 2026
BBL—
BIN—

Property owner

Paramount Group

Doreen Santana

Related searches

HVACMechanical SystemsEast Midtown-Turtle BayNew York CityCommercial Renovation$300k+Permit Issued