Neighborhoods › Midtown South-Flatiron-Union Square › Building 1088542
Full demolition of 19-story building, est. $750K
420 Park Avenue South, Manhattan 10013 · Approved
| Job | M01346961 (5 filings: I1, P1, S2, S1, S4) · Alteration |
|---|---|
| Category | demolition |
| Estimated cost | $749,998 |
| Scale | 19 → 19 stories; 253 → 253 dwelling units; 355 sq ft |
| Work types | General Construction |
| Filed | Feb 11, 2026 |
| Professional | Lpj Architect, Pc |
| Building | BIN 1088542 · BBL 1008580045 |
| Official record | DOB NOW job M01346961 |
DOB description
M01346961-I1: ELEVATOR EXTENSION: ADDITION OF ELEVATOR MACHINE ROOM (E.M.R.) BULKHEAD, PASSENGER ELEV. 4 TO BE EXTENDED UP ONE LEVEL. ROOF SLAB OF EXIST. E.M.R. ABOVE P.E. 4 TO BE DEMOLISHED AND SHAFT EXTENDED. NEW BULKHEAD WILL BE CLAD IN INSULATED METAL PANEL.
M01346961-P1: Roof Elevator Extension, raised concrete floor, slab opening and support, slab infill, platform in mechanical shaft.
M01346961-S2: Roof Elevator Extension, raised concrete floor, slab opening and support, slab infill, platform in mechanical shaft.
M01346961-S1: Roof Elevator Extension
M01346961-S4: Filing modifications to existing Plumbing system related to Roof Elevator Extension. No change in occupancy,use or egress.
Status timeline
- Feb 11, 2026 — New job filed (Approved) M01346961-I1
- Feb 13, 2026 — Plans approved (Approved) M01346961-I1
- Feb 17, 2026 — New job filed (Approved) M01346961-S2
- Feb 18, 2026 — New job filed (Permit Entire) M01346961-S1
- Sep 1, 2026 — New job filed (Permit Entire) M01346961-S4
- Sep 16, 2026 — Permit issued — work can start (Mechanical Systems) M01346961-S1
- Sep 17, 2026 — Permit issued — work can start (Permit Entire) M01346961-S1
- Sep 28, 2026 — Permit issued — work can start (Plumbing) M01346961-S4
- Sep 29, 2026 — Permit issued — work can start (Permit Entire) M01346961-S4
- Sep 30, 2026 — New job filed (Approved) M01346961-P1
- Oct 2, 2026 — Plans approved (Approved) M01346961-P1
- Oct 2, 2026 — Plans approved (Approved) M01346961-S2
Work permits
| Permit | Work | Status | Issued | Expires |
|---|---|---|---|---|
| M01346961-S4-PL | Plumbing | Permit Issued | Sep 28, 2026 | Apr 18, 2027 |
| M01346961-S1-MS | Mechanical Systems | Permit Issued | Sep 16, 2026 | Dec 14, 2026 |
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