400 EAST 84 STREET, MANHATTAN, 10028 · Upper East Side-Yorkville
Homeowners on the Upper East Side can see the costs associated with mechanical system upgrades, such as the installation of an exhaust fan. This project at 400 East 84th Street involved mechanical work as per filed plans, with no changes to the building's use, egress, or occupancy.
This permit was issued on May 21, 2026, with an estimated project cost of $150,000. The general contractor for this mechanical work was KEYSTONE BUILDERS GROUP*.
A significant mechanical system upgrade for an exhaust fan on the Upper East Side cost $150,000, offering insight into similar projects in Manhattan.
Issued
May 21, 2026
Expires
June 5, 2026
License
General Contractor
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Filed by KEYSTONE BUILDERS GROUP* · 20 permits across 4 neighborhoods
View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | 827417691 |
| Work Permit # | M01092673-S7-MS |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | EXHAUST FAN MECHANICAL WORK AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS OR OCCUPANCY. |
| Floor / Unit | Mezzanine 1 through 2, Roof |
| Estimated Cost | $150,000 |
| Approved | May 8, 2025 |
| Issued | May 21, 2026 |
400 EAST 84TH STREET ASSOCIATES, L.
ANDREW ORCHULLI
| Expires |
| June 5, 2026 |
| BBL | — |
| BIN | — |
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