Structural Renovation at 525 Park Avenue
525 PARK AVENUE, MANHATTAN, 10065 · Upper East Side-Carnegie Hill
What was permitted
This permit covers the renovation of apartment 14CD at 525 Park Avenue in Manhattan. The work includes window openings, infills, new exterior wall vents, and new window lintels.
The permit was issued on April 3, 2026, with an estimated cost of $115,000, and the contractor is CORTLANDT CONTRACTING COR.
If you're a homeowner in the Upper East Side-Carnegie Hill neighborhood, this permit provides insight into the cost of apartment renovations.
What it cost
Issued
April 3, 2026
Expires
October 11, 2026
License
General Contractor
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Filed by CORTLANDT CONTRACTING COR · 1 permits across 1 neighborhood
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 | 433580484 |
| Work Permit # | M01257740-S3-ST |
| Job Filing Number | — |
| Work Type | Structural |
| Status | Permit Issued |
| Job Description | Renovation of existing apartment 14CD, work includes window openings, infills and new exterior wall vents, new window lintels. No change in use, egress or occupancy is involved. |
| Floor / Unit | Floor Number(s) 14 through 14 |
| Estimated Cost | $115,000 |
| Approved | October 30, 2025 |
| Issued | April 3, 2026 |
| Expires | October 11, 2026 |
| BBL | — |
| BIN | — |
Property Owner
PAUL THEUNISSEN