390 MADISON AVENUE, MANHATTAN, 10017 · Midtown-Times Square
Significant structural repairs are being undertaken at 390 Madison Avenue in Manhattan's Midtown-Times Square neighborhood. The work will affect the first floor, cellar, and sub-cellar 2, indicating a substantial building renovation.
This permit was issued on June 1, 2026, with a substantial estimated project cost of $795,340. HARBOR WATERPROOFING SERV is the contractor for these extensive structural repairs.
A major $795,340 structural repair project is underway at 390 Madison Avenue, impacting multiple levels of the building in Midtown-Times Square.
Issued
June 1, 2026
Expires
December 8, 2026
License
General Contractor
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Filed by HARBOR WATERPROOFING SERV · 5 permits across 3 neighborhoods
View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | 828922201 |
| Work Permit # | M01392652-I1-ST |
| Job Filing Number | — |
| Work Type | Structural |
| Status | Permit Issued |
| Job Description | Structural repairs taking place on the 1, cellar and sub cellar 2as per plans filed herewith. No change in use, egress or occupancy |
| Floor / Unit | Cellar, Floor Number(s) 1 through 1, Sub-cellar #2 |
| Estimated Cost | $795,340 |
| Approved | May 21, 2026 |
| Issued | June 1, 2026 |
NYS COMMON RETIREMENT FUND
William Gill
| Expires | December 8, 2026 |
| BBL | — |
| BIN | — |
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