What was permitted
For those in the Manhattanville-West Harlem area, a significant mechanical systems project is underway at 181 Convent Avenue, specifically the Marshak Science Tower. This involves a substantial HVAC upgrade, including heating and cooling coil replacements.
Issued on August 24, 2026, this large-scale project has an estimated cost of $4,779,000. SIERRA MECHANICAL CONTRAC is the general contractor managing this extensive mechanical work.
Plan a similar project
Want work like this done at your place?
Tell us what you have in mind. We scope it, price it against work like this in Manhattan, and lines up the right contractor. You approve; we handle the back-and-forth.
View the official permit record
Tracking number, work description, cost and dates
View the official permit record
Tracking number, work description, cost and dates
| Tracking number | 454094409 |
|---|---|
| Work permit # | M01220521-I1-MS |
| Job filing number | — |
| Work type | Mechanical Systems |
| Status | Permit Issued |
| Job description | Mechanical work for Marshak Science Tower Post-Kathabar HVAC Upgrade, work include Heating and Cooling Coil Upgrades as per plans filed herewith. |
| Floor / unit | Roof |
| Estimated cost | $4,779,000 |
| Approved | July 9, 2025 |
| Issued | August 24, 2026 |
| Expires | November 5, 2026 |
| BBL | — |
| BIN | — |
Property owner
Dasny
Michael Scharff
Related searches