Structural Work at 634 West 147 Street, Manhattan
634 WEST 147 STREET, MANHATTAN, 10031 · Hamilton Heights-Sugar Hill
What was permitted
Structural renovations are planned for the existing building at 634 West 147 Street in Manhattan's Hamilton Heights-Sugar Hill neighborhood. The project includes replacing sub-cellar to cellar stairs, adding a convenience stair, and a new service stair with a bulkhead at the roof.
This permit was issued on April 28, 2026, with an estimated cost of $50,000 for the structural work. AMSTERDAM HARLEM CONSTRUC is the general contractor for this project.
Homeowners in Hamilton Heights-Sugar Hill should be aware of structural renovations like those at 634 West 147 Street, which involve significant stair work and can cost around $50,000.
What it cost
Issued
April 28, 2026
Expires
May 17, 2026
License
General Contractor
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Filed by AMSTERDAM HARLEM CONSTRUC · 19 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 | 493097006 |
| Work Permit # | M01309486-S3-ST |
| Job Filing Number | — |
| Work Type | Structural |
| Status | Permit Issued |
| Job Description | Structural work for renovation of Exist. Bldg. replace sub-cellar to cellar stair; install new convenience stair. Add service stair & Bulkhead at roof. |
| Floor / Unit | Sub-Cellar |
| Estimated Cost | $50,000 |
| Approved | April 7, 2026 |
| Issued | April 28, 2026 |
| Expires | May 17, 2026 |
| BBL | — |
| BIN | — |
Property Owner
ARTIFACT
JAVIER MARTINEZ