What was permitted
Residents and business owners in the Midtown-Times Square area might notice work on the sprinkler system at 500 Park Avenue. This project involves modifications to the existing system on the first floor lobby.
The permit for this sprinkler work was issued on October 20, 2026, with an estimated project cost of $39,996. DENKO MECHANICAL INC is listed as the contractor.
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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 | 390976990 |
|---|---|
| Work permit # | M01359489-I1-EW-SP |
| Job filing number | — |
| Work type | Sprinklers |
| Status | Permit Issued |
| Job description | Modifications to the existing sprinkler system on the 1st Floor (Lobby), as per plans. No change to use, egress, or occupancy. |
| Floor / unit | Floor Number(s) 1 through 1 |
| Estimated cost | $39,996 |
| Approved | March 30, 2026 |
| Issued | October 20, 2026 |
| Expires | December 9, 2026 |
| BBL | — |
| BIN | — |
Property owner
Sl Green Realty CORP
Patricia Hoban
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sprinklersmechanical systemsbuilding modificationsMidtown-Times SquareManhattanNew York City$39,996 project cost