Structural Stair Opening Infill at 300 Park Avenue South, Manhattan
300 PARK AVENUE SOUTH, Manhattan, 10010 · Midtown South-Flatiron-Union Square
What was permitted
This permit is for structural work involving the infill of an existing stair opening, requiring new structural steel framing and concrete on metal deck. Such projects are essential for modifying building layouts and ensuring structural integrity.
The estimated cost for this structural project at 300 Park Avenue South is $50,000, with the permit issued on June 30, 2026. CORE FOUR CONSTRUCTION IN is the general contractor for this work.
Property owners in Midtown South-Flatiron-Union Square can expect structural modifications like the $50,000 stair opening infill at 300 Park Avenue South to be significant undertakings.
What it cost
Issued
June 30, 2026
Expires
November 5, 2026
License
General Contractor
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Filed by CORE FOUR CONSTRUCTION IN · 11 permits across 4 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 | 544514486 |
| Work Permit # | M01343529-S4-ST |
| Job Filing Number | — |
| Work Type | Structural |
| Status | Permit Issued |
| Job Description | INFILL OF EXISTING STAIR OPENING. PROVIDE NEW STRUCTURAL STEEL FRAMING TO SUPPORT NEW CONCRETE ON METAL DECK. NO CHANGE IN USE, EGRESS OR OCCUPANCY. |
| Floor / Unit | Floor Number(s) 6 through 6 |
| Estimated Cost | $50,000 |
| Approved | June 25, 2026 |
| Issued | June 30, 2026 |
| Expires | November 5, 2026 |
| BBL | — |
| BIN | — |
Property Owner
ROCKROSE
Bill Feeks