Neighborhoods › Chelsea-Hudson Yards › Building 1089694
Interior renovation: Interior construction of existing business class…, est. $9.0M
401 West 31 Street, Manhattan 10001 · Permit Entire
| Job | M01347832 (6 filings: I1, P2, P1, S1, S3, S2) · Alteration |
|---|---|
| Category | interior renovation |
| Estimated cost | $8,981,664 |
| Scale | 60 → 60 stories; 35,000 sq ft |
| Work types | General Construction |
| Filed | Mar 17, 2026 |
| Professional | Tpg Architecture, Llp |
| Building | BIN 1089694 · BBL 1007297505 |
| Official record | DOB NOW job M01347832 |
DOB description
M01347832-I1: INTERIOR CONSTRUCTION OF EXISTING BUSINESS CLASS OCCUPANCY OF THE 6TH (7TH MARKETING) FLOOR OF THIS BUILDING. INSTALLATION OF NEW NON-LOAD BEARING PARTITIONS, CEILINGS, LIGHT FIXTURES. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M01347832-P2: INTERIOR CONSTRUCTION OF EXISTING BUSINESS CLASS OCCUPANCY OF THE 6TH (7TH MARKETING) FLOOR OF THIS BUILDING. INSTALLATION OF NEW NON-LOAD BEARING PARTITIONS, CEILINGS, LIGHT FIXTURES. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M01347832-P1: Modifications to existing HVAC system & related piping including installation of AC units. No change in use, egress or occupancy.
M01347832-S1: Modifications to existing HVAC system & related piping including installation of AC units. No change in use, egress or occupancy.
M01347832-S3: Installation of new sprinkler heads and related piping. No change in use, egress or occupancy.
M01347832-S2: Installation of new plumbing fixtures & related for new office tenant. No change in use, egress or occupancy.
Status timeline
- Mar 17, 2026 — New job filed (Permit Entire) M01347832-I1
- Mar 17, 2026 — New job filed (Permit Entire) M01347832-S1
- Mar 17, 2026 — New job filed (Permit Entire) M01347832-S3
- Mar 18, 2026 — New job filed (Permit Entire) M01347832-S2
- May 5, 2026 — Permit issued — work can start (Sprinklers) M01347832-S3
- May 6, 2026 — Permit issued — work can start (Permit Entire) M01347832-S3
- May 7, 2026 — Permit issued — work can start (Permit Entire) M01347832-S2
- Sep 29, 2026 — New job filed (Approved) M01347832-P1
- Sep 29, 2026 — New job filed (Approved) M01347832-P2
- Oct 1, 2026 — Plans approved (Approved) M01347832-P1
- Oct 1, 2026 — Permit issued — work can start (Permit Entire) M01347832-S1
- Oct 2, 2026 — Plans approved (Approved) M01347832-P2
- Oct 2, 2026 — Permit issued — work can start (Permit Entire) M01347832-I1
Work permits
| Permit | Work | Status | Issued | Expires |
|---|---|---|---|---|
| M01347832-S1-MS | Mechanical Systems | Signed-off | May 14, 2026 | Mar 17, 2027 |
| M01347832-S2-PL | Plumbing | Signed-off | May 6, 2026 | Oct 31, 2026 |
| M01347832-S3-EW-SP | Sprinklers | Permit Issued | May 5, 2026 | May 6, 2027 |
| M01347832-I1-GC | General Construction | Signed-off | Mar 31, 2026 | Apr 1, 2027 |
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