Structural Work at 1120 Amsterdam Avenue, Manhattan
1120 AMSTERDAM AVENUE, MANHATTAN, 10027 · Morningside Heights
What was permitted
This permit is for significant structural modifications at 1120 Amsterdam Avenue in Manhattan's Morningside Heights neighborhood. The work involves framing new openings for stairs and MEP systems, as well as infilling existing ones.
The permit was issued on April 27, 2026, with a substantial estimated cost of $633,211.92. SKANSKA USA BUILDING, INC is the general contractor overseeing these structural changes.
Major structural work in Morningside Heights can be very costly, as demonstrated by this $633,211.92 permit for framing and infilling openings.
What it cost
Issued
April 27, 2026
Expires
August 31, 2026
License
General Contractor
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Filed by SKANSKA USA BUILDING, INC · 14 permits across 7 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 | 894063201 |
| Work Permit # | M01310628-I1-ST |
| Job Filing Number | — |
| Work Type | Structural |
| Status | Permit Issued |
| Job Description | Structural modifications as per plans filed herewith. Frame out new stair and MEP openings. Infill existing stair and MEP openings. Dunnage for new mechanical equipment. No change of use, occupancy or egress. |
| Floor / Unit | Floor Number(s) 001 through 010 |
| Estimated Cost | $633,212 |
| Approved | January 20, 2026 |
| Issued | April 27, 2026 |
| Expires | August 31, 2026 |
| BBL | — |
| BIN | — |
Property Owner
COLUMBIA UNIVERSITY - MANHATTANVILL
Hany Ayoub