809 UN PLAZA, Manhattan, 10017 · East Midtown-Turtle Bay
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.
A $350,000 mechanical systems permit for HVAC upgrades across multiple floors in East Midtown indicates significant investment in office building infrastructure.
Issued
July 24, 2026
Expires
August 1, 2026
License
General Contractor
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Filed by BYEY BEY LLC · 3 permits across 1 neighborhood
View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | 189234937 |
| Work Permit # | M01236224-I1-MS |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | Mechanical 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 / Unit | Floor Number(s) 005 through 009, Floor Number(s) 012 through 012, Floor Number(s) 001 through 002 |
| Estimated Cost | $350,000 |
| Approved | July 11, 2025 |
RICHARD MOLFESE
| Issued |
| July 24, 2026 |
| Expires | August 1, 2026 |
| BBL | — |
| BIN | — |