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Mechanical SystemsManhattanPermit issued

Mechanical Systems Work at 809 UN Plaza, Manhattan

809 UN PLAZA, Manhattan, 10017 · East Midtown-Turtle Bay

Winston

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Reported project cost

$350,000

As declared on the permit filing. Mechanical Systems.

Issued
July 24, 2026
Expires
August 1, 2026
License
General Contractor

What was permitted

Businesses in East Midtown-Turtle Bay can use this permit to understand the costs of mechanical system upgrades. This project involves the removal and addition of HVAC systems, including associated ducts and piping across several floors of an office space.

This permit was issued on July 24, 2026, with an estimated project cost of $350,000. BYEY BEY LLC is the general contractor overseeing this mechanical work.

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View the official permit record

Tracking number, work description, cost and dates

Tracking number189234937
Work permit #M01236224-I1-MS
Job filing number—
Work typeMechanical Systems
StatusPermit Issued
Job descriptionMechanical job filed in conjunction with interior renovation of an existing office space for floors, 1-2, 5-9 and 12. Work to consist on removal and addition of HVAC system with all associated ducts and pipping.
Floor / unitFloor Number(s) 005 through 009, Floor Number(s) 012 through 012, Floor Number(s) 001 through 002
Estimated cost$350,000
ApprovedJuly 11, 2025
IssuedJuly 24, 2026
ExpiresAugust 1, 2026
BBL—
BIN—

Property owner

Richard Molfese

Related searches

mechanical systemsHVACoffice renovationEast MidtownManhattanNYC permit$100k-$500k