HVAC System Modification at 711 Third Avenue, Manhattan
711 THIRD AVENUE, MANHATTAN, 10017 · East Midtown-Turtle Bay
What was permitted
This permit involves modifications to an existing HVAC system, a common project for commercial buildings. Understanding these costs can help property owners budget for system upgrades.
The permit was issued on April 29, 2026, with an estimated cost of $60,000. EAST COAST OFFICE SOLUT is the general contractor for this mechanical systems work.
Modifying an existing HVAC system in East Midtown-Turtle Bay cost around $60,000.
What it cost
Issued
April 29, 2026
Expires
August 24, 2026
License
General Contractor
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Filed by EAST COAST OFFICE SOLUT · 6 permits across 2 neighborhoods
View the official permit record
Tracking number, work description, cost, and dates
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View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | 918346320 |
| Work Permit # | M01377563-I1-MS |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | Modification to existing HVAC system as per plans filed herewith. |
| Floor / Unit | Floor Number(s) 18 through 18 |
| Estimated Cost | $60,000 |
| Approved | March 30, 2026 |
| Issued | April 29, 2026 |
| Expires | August 24, 2026 |
| BBL | — |
| BIN | — |
Property Owner
SL GREEN REALTY CORP
Patricia Hoban