Plumbing and Sprinkler System Upgrades at 11 Madison Avenue, Manhattan
11 MADISON AVENUE, Manhattan, 10010 · Midtown South-Flatiron-Union Square
What was permitted
For those in Midtown South-Flatiron-Union Square, a substantial plumbing project is underway at the prominent 11 Madison Avenue. This involves modifications to existing plumbing fixtures and the building's sprinkler system.
The permit for this extensive work was issued on June 30, 2026, with an estimated project cost of $411,981.72. PSI PARTNERS, LLC is the contractor handling these upgrades.
The $411,981.72 plumbing and sprinkler system project at 11 Madison Avenue in Manhattan highlights the significant investment in commercial building infrastructure.
What it cost
Issued
June 30, 2026
Expires
September 1, 2026
License
Fire Suppression Contractor
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Filed by PSI PARTNERS, LLC · 54 permits across 9 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 | 842691034 |
| Work Permit # | M01399018-I1-EW-SP |
| Job Filing Number | — |
| Work Type | Plumbing |
| Status | Permit Issued |
| Job Description | Modifications to the existing plumbing fixtures and sprinkler system as per plans filed herewith. No change to use, egress, or occupancy. |
| Floor / Unit | Floor Number(s) 14 through 14 |
| Estimated Cost | $411,982 |
| Approved | June 26, 2026 |
| Issued | June 30, 2026 |
| Expires | September 1, 2026 |
| BBL | — |
| BIN | — |
Property Owner
SL GREEN REALTY CORP
Gianna Pilalis