Neighborhoods › Chelsea-Hudson Yards › Building 1083573
Interior renovation: Sherred hall - removal and installation of interior…, est. $2.7M
408 West 21 Street, Manhattan 10271 · Permit Entire
| Job | M01320409 (8 filings: I1, P1, S2, P2, S1, S4, S5, S3) · Alteration |
|---|---|
| Category | interior renovation |
| Estimated cost | $2,742,250 |
| Scale | 4 → 4 stories; 10,969 sq ft |
| Work types | General Construction |
| Filed | Dec 3, 2025 |
| Professional | Beyer Blinder Belle |
| Building | BIN 1083573 · BBL 1007180001 |
| Official record | DOB NOW job M01320409 |
DOB description
M01320409-I1: SHERRED HALL - REMOVAL AND INSTALLATION OF INTERIOR PARTITIONS AND FINISHES. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M01320409-P1: SHERRED HALL - REMOVAL AND INSTALLATION OF INTERIOR PARTITIONS AND FINISHES. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M01320409-S2: SHERRED HALL - REMOVAL AND INSTALLATION OF MECHANICAL DUCTWORK AND EQUIPMENT.
M01320409-P2: SHERRED HALL - MODIFYING THE EXISTING WOOD ROOF TRUSSES TO SUPPORT PROPOSED MECHANICAL EQUIPMENT. ADDITIONAL WORK INCLUDES WOOD FRAMING, STEEL FRAMING AND LINTELS, AND SLAB ON METAL DECK
M01320409-S1: SHERRED HALL - MODIFYING THE EXISTING WOOD ROOF TRUSSES TOSUPPORT PROPOSED MECHANICAL EQUIPMENT. ADDITIONAL WORK INCLUDES WOOD FRAMING, STEELFRAMING AND LINTELS, AND SLAB ON METAL DECK
M01320409-S4: SHERRED HALL - EXISTING SPRINKLER SYSTEM TO BE REMOVED AND NEW SPRINKLER SYSTEM TO BE INSTALLED. RELOCATE THE FDC.
M01320409-S5: SHERRED HALL - FOUNDATION FOR NEW STAIR AND HANDICAP RAMPS IN THE OPEN SPACE WITHIN THE PROPERTY LINE AT THE BACK ENTRANCE OF THE BUILDING. ADDITIONAL DETAILS INDICATED IN THE COMMENTS BOX BELOW.
M01320409-S3: SHERRED HALL - MODIFICATION AND INSTALLTION OF PLUMBING FIXTURES.
Status timeline
- Dec 3, 2025 — New job filed (Permit Entire) M01320409-I1
- Dec 15, 2025 — New job filed (Permit Entire) M01320409-S1
- Jan 13, 2026 — New job filed (Permit Entire) M01320409-S2
- Jan 13, 2026 — New job filed (Permit Entire) M01320409-S3
- Jan 13, 2026 — New job filed (Permit Entire) M01320409-S4
- Feb 17, 2026 — Permit issued — work can start (General Construction) M01320409-I1
- Mar 10, 2026 — New job filed (Approved) M01320409-P1
- Mar 10, 2026 — Permit issued — work can start (Structural) M01320409-S1
- Mar 11, 2026 — Permit issued — work can start (Permit Entire) M01320409-S1
- Apr 22, 2026 — Permit issued — work can start (Mechanical Systems) M01320409-S2
- Apr 23, 2026 — Permit issued — work can start (Permit Entire) M01320409-S2
- Apr 30, 2026 — New job filed (Approved) M01320409-S5
- May 13, 2026 — Permit issued — work can start (Sprinklers) M01320409-S4
- May 13, 2026 — Permit issued — work can start (Plumbing) M01320409-S3
- May 14, 2026 — Permit issued — work can start (Permit Entire) M01320409-S3
- May 14, 2026 — Permit issued — work can start (Permit Entire) M01320409-S4
- May 17, 2026 — Plans approved (Approved) M01320409-P1
- May 17, 2026 — Permit issued — work can start (Permit Entire) M01320409-I1
- Jun 10, 2026 — Plans approved (Approved) M01320409-S5
- Aug 27, 2026 — New job filed (Objections) M01320409-P2
Work permits
| Permit | Work | Status | Issued | Expires |
|---|---|---|---|---|
| M01320409-S4-EW-SP | Sprinklers | Permit Issued | May 13, 2026 | Oct 27, 2026 |
| M01320409-S3-PL | Plumbing | Permit Issued | May 13, 2026 | Nov 29, 2026 |
| M01320409-S2-MS | Mechanical Systems | Permit Issued | Apr 22, 2026 | Dec 29, 2026 |
| M01320409-S1-ST | Structural | Permit Issued | Mar 10, 2026 | Dec 30, 2026 |
| M01320409-I1-GC | General Construction | Permit Issued | Feb 17, 2026 | Dec 30, 2026 |
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