Sprinkler System Modifications at 11 Madison Avenue, Manhattan
11 MADISON AVENUE, MANHATTAN, 10010 · Midtown South-Flatiron-Union Square
What was permitted
A permit has been issued for modifications to the existing sprinkler system at 11 Madison Avenue in the Midtown South-Flatiron-Union Square neighborhood of Manhattan. These types of projects often involve updates to fire suppression systems within commercial or residential buildings.
Issued on May 29, 2026, the estimated cost for this sprinkler system work is $27,899.68. The contractor for this project is PSI PARTNERS, LLC (F).
For properties in Midtown South-Flatiron-Union Square, a $27,899.68 permit for sprinkler system modifications at 11 Madison Avenue indicates significant upgrades to building safety infrastructure.
What it cost
Issued
May 29, 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 | 637308515 |
| Work Permit # | M01386397-I1-EW-SP |
| Job Filing Number | — |
| Work Type | Sprinklers |
| 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 | $27,900 |
| Approved | May 13, 2026 |
| Issued | May 29, 2026 |
| Expires | September 1, 2026 |
| BBL | — |
| BIN | — |
Property Owner
SL GREEN REALTY CORP
Gianna Pilalis