Exterior Sign Installation at 641 Avenue of the Americas
641 AVENUE OF THE AMERICAS, MANHATTAN, 10011 · Chelsea-Hudson Yards
What was permitted
This permit covers the installation of an exterior non-illuminated wall sign at 641 Avenue of the Americas, Manhattan, for the National Museum of Mathematics.
The permit was issued on March 19, 2026, with a reported cost of $400. The contractor is MAD SIGNS INC. The permit status is 'Issued'.
This permit grants permission to the property owner to install the specified exterior sign, enhancing the visibility and branding of the National Museum of Mathematics.
What it cost
Issued
March 19, 2026
Expires
May 22, 2026
License
Scaffold Contractor
Price your own project
See what a project like this costs near you
We'll compare your scope against real permits and licensed contractors in the area.
Start my estimate →Free · takes 60 seconds · no account needed
Filed by MAD SIGNS INC · 81 permits across 37 neighborhoods
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 | 456481405 |
| Work Permit # | M01276130-I1-SG |
| Job Filing Number | — |
| Work Type | Sign |
| Status | Permit Issued |
| Job Description | INSTALL EXTERIOR NON-ILLUMINATED WALL SIGN (NATIONAL MUSEUM OF MATHEMATICS) |
| Floor / Unit | Facade |
| Estimated Cost | $400 |
| Approved | December 15, 2025 |
| Issued | March 19, 2026 |
| Expires | May 22, 2026 |
| BBL | — |
| BIN | — |
Property Owner
CBRE INC.
Anthony Zografos