Structural Work at 899 TENTH AVENUE, Manhattan
899 TENTH AVENUE, MANHATTAN, 10019 · Upper West Side-Lincoln Square
What was permitted
Homeowners and neighbors in the Upper West Side-Lincoln Square area can see the costs associated with significant structural upgrades. This permit covers the renovation of a 2nd-floor connector corridor and the replacement of its exterior curtain walls.
This project, with an estimated cost of $600,000, was issued a permit on June 23, 2026. NATIONAL ENVIROMENTAL SAF is listed as the General Contractor for this structural work.
A $600,000 structural renovation project on Tenth Avenue indicates substantial building improvements are underway in the Upper West Side-Lincoln Square neighborhood.
What it cost
Issued
June 23, 2026
Expires
August 31, 2026
License
General Contractor
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Filed by NATIONAL ENVIROMENTAL SAF · 38 permits across 7 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 | 500910692 |
| Work Permit # | M01026304-S4-ST |
| Job Filing Number | — |
| Work Type | Structural |
| Status | Permit Issued |
| Job Description | RENOVATION OF THE 2ND FLOOR CONNECTOR CORRIDOR AND REPLACEMENT OF THE CURTAIN WALL AT THE CONNECTOR CORRIDOR FACADES. NO CHANGE TO EXISTING USE, OCCUPANCY OR EGRESS. |
| Floor / Unit | Floor Number(s) 001 through 002 |
| Estimated Cost | $600,000 |
| Approved | August 8, 2025 |
| Issued | June 23, 2026 |
| Expires | August 31, 2026 |
| BBL | — |
| BIN | — |
Property Owner
CITY UNIVERSITY OF NEW YORK
Dimitrios Katehis