Neighborhoods › East Midtown-Turtle Bay › Building 1085671
Full demolition of 38-story building, est. $5.5M
450 Lexington Avenue, Manhattan 10020 · Permit Entire
| Job | M01336126 (4 filings: I1, S1, S3, S4) · Alteration |
|---|---|
| Category | demolition |
| Estimated cost | $5,463,045 |
| Scale | 38 → 38 stories; 20,500 sq ft |
| Work types | General Construction |
| Filed | Dec 22, 2025 |
| Professional | Gensler |
| Building | BIN 1085671 · BBL 1012800090 |
| Official record | DOB NOW job M01336126 |
DOB description
M01336126-I1: Interior demolition and installation of non-bearing partitions, doors and finishes related to tenant fit out. No change in use, egress or occupancy.
M01336126-S1: Modify mechanical ductwork and related piping. No change in use, egress or occupancy.
M01336126-S3: Modify plumbing fixtures and related piping. No change in use, egress or occupancy.
M01336126-S4: Modify sprinkler heads and related piping. No change in use, egress or occupancy.
Status timeline
- Dec 22, 2025 — New job filed (Permit Entire) M01336126-I1
- Dec 23, 2025 — New job filed (Permit Entire) M01336126-S1
- Dec 23, 2025 — New job filed (Permit Entire) M01336126-S3
- Dec 23, 2025 — New job filed (Permit Entire) M01336126-S4
- Jan 4, 2026 — Permit issued — work can start (General Construction) M01336126-I1
- Jan 4, 2026 — Permit issued — work can start (Mechanical Systems) M01336126-S1
- Feb 4, 2026 — Permit issued — work can start (Plumbing) M01336126-S3
- Feb 4, 2026 — Permit issued — work can start (Sprinklers) M01336126-S4
- Feb 5, 2026 — Permit issued — work can start (Permit Entire) M01336126-S4
- Feb 5, 2026 — Permit issued — work can start (Permit Entire) M01336126-S3
- Sep 24, 2026 — Permit issued — work can start (Permit Entire) M01336126-I1
- Sep 24, 2026 — Permit issued — work can start (Permit Entire) M01336126-S1
Work permits
| Permit | Work | Status | Issued | Expires |
|---|---|---|---|---|
| M01336126-S3-PL | Plumbing | Permit Issued | Feb 4, 2026 | Feb 5, 2027 |
| M01336126-S4-EW-SP | Sprinklers | Permit Issued | Feb 4, 2026 | Feb 5, 2027 |
| M01336126-I1-GC | General Construction | Permit Issued | Jan 4, 2026 | Sep 23, 2027 |
| M01336126-S1-MS | Mechanical Systems | Permit Issued | Jan 4, 2026 | Sep 23, 2027 |
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