Unit Renovation at 400 East 84th Street, Manhattan
400 EAST 84 STREET, MANHATTAN, 10028 · Upper East Side-Yorkville
Estimated Project Cost
$0
General Construction
Issued
April 3, 2026
Expires
June 5, 2026
License
General Contractor
About This Project
A renovation project is underway for unit PH1B at 400 East 84th Street, located in the Upper East Side-Yorkville neighborhood of Manhattan. This permit covers interior upgrades as detailed in the filed plans.
The estimated cost for this renovation is $40,000, and the permit was issued on April 3, 2026. Keystone Builders Group is the General Contractor for this project, which does not involve changes to the building's use or occupancy.
What This Means For You
Homeowners on the Upper East Side can look to the $40,000 renovation at 400 East 84th Street as an example of unit upgrade costs in the neighborhood.
The Business That Did This Work
KEYSTONE BUILDERS GROUP*
General Contractor · License #622009
99 POWERHOUSE RD STE 100B
4 permits filed · 2 neighborhoods
Permit Details
| Tracking Number | 851609619 |
| Work Permit # | M01375703-I1-GC |
| Job Filing Number | — |
| Work Type | General Construction |
| Status | Permit Issued |
| Job Description | RENOVATION TO EXISTING UNIT PH1B AS PER PLANS FILED HEREWITH. ALL ENERGY CALCULATIONS FOR LIGHTING FILED UNDER M01092673-I1. NO CHANGE TO USE, EGRESS, OR OCCUPANCY. |
| Floor / Unit | Penthouse 1 through 1 |
| Estimated Cost | $40,000 |
| Approved | March 25, 2026 |
| Issued | April 3, 2026 |
| Expires | June 5, 2026 |
| BBL | — |
| BIN | — |
Property Owner
400 EAST 84TH STREET ASSOCIATES, L.
ANDREW ORCHULLI
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