Mechanical Systems Work at 660 5th Avenue, Manhattan
660 5 AVENUE, Manhattan, 10103 · Midtown-Times Square
What was permitted
For those tracking construction in Midtown-Times Square, a substantial mechanical systems project has been permitted at 660 5th Avenue. This work is detailed in the filed plans and is a significant undertaking for the property.
The permit for this mechanical work was issued on July 7, 2026, with a considerable estimated project cost of $2,201,334. STRUCTURE TONE, LLC is listed as the general contractor.
A major mechanical systems upgrade valued at over $2.2 million was permitted for a prominent Midtown address, indicating extensive building infrastructure work.
What it cost
Issued
July 7, 2026
Expires
December 31, 2026
License
General Contractor
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Filed by STRUCTURE TONE, LLC · 221 permits across 16 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 | 809958747 |
| Work Permit # | M01395125-S1-MS |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | Mechanical work as shown on plans filed herewith. |
| Floor / Unit | Floor Number(s) 005 through 005 |
| Estimated Cost | $2,201,334 |
| Approved | July 7, 2026 |
| Issued | July 7, 2026 |
| Expires | December 31, 2026 |
| BBL | — |
| BIN | — |
Property Owner
PR
RALPH ROSE