Neighborhoods › Chelsea-Hudson Yards › Building 1012860
Interior renovation: Removal of existing convenience stair between the 5th…, est. $400K
441 9 Avenue, Manhattan 10010 · Permit Entire
| Job | M01369145 (3 filings: I1, S2, S1) · Alteration |
|---|---|
| Category | interior renovation |
| Estimated cost | $400,000 |
| Scale | 26 → 26 stories; 940 sq ft |
| Work types | General Construction |
| Filed | Mar 29, 2026 |
| Professional | Architecture Plus Information |
| Building | BIN 1012860 · BBL 1007327501 |
| Official record | DOB NOW job M01369145 |
DOB description
M01369145-I1: Removal of existing convenience stair between the 5th and 6th floors, removal of associated walls and platform, and add new slab infill at the 6th floor as per plans. NO CHANGE IN USE, OCCUPANCY OR EGRESS
M01369145-S2: Installation of new structural steel members due to the removal of the convenience stair between the 5th and 6th floors, and add new slab fill at the 5th and 6th floors as per plans. NO CHANGE IN USE, OCCUPANCY OR EGRESS
M01369145-S1: MODIFICATION OF EXISTING SPRINKLER SYSTEM. NO CHANGE IN USE, OCCUPANCY OR EGRESS
Status timeline
- Mar 29, 2026 — New job filed (Permit Entire) M01369145-I1
- Mar 29, 2026 — New job filed (Permit Entire) M01369145-S1
- Apr 15, 2026 — New job filed (Permit Entire) M01369145-S2
- May 6, 2026 — Permit issued — work can start (General Construction) M01369145-I1
- May 7, 2026 — Permit issued — work can start (Permit Entire) M01369145-I1
- May 18, 2026 — Permit issued — work can start (Structural) M01369145-S2
- May 19, 2026 — Permit issued — work can start (Permit Entire) M01369145-S2
- Jun 2, 2026 — Permit issued — work can start (Sprinklers) M01369145-S1
- Jun 3, 2026 — Permit issued — work can start (Permit Entire) M01369145-S1
Work permits
| Permit | Work | Status | Issued | Expires |
|---|---|---|---|---|
| M01369145-S1-EW-SP | Sprinklers | Permit Issued | Jun 2, 2026 | Jan 31, 2027 |
| M01369145-S2-ST | Structural | Permit Issued | May 18, 2026 | Dec 16, 2026 |
| M01369145-I1-GC | General Construction | Permit Issued | May 6, 2026 | Dec 16, 2026 |
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