Neighborhoods › Midtown-Times Square › Building 1091941
Interior renovation: Filing herewith phased structural construction of 343m to…, est. $1K
343 Madison Avenue, Manhattan 10271 · Approved
| Job | M00947028 (3 filings: P1, P3, P4) · Alteration |
|---|---|
| Category | interior renovation |
| Estimated cost | $1,000 |
| Scale | 49 → 49 stories; 22,230 sq ft |
| Work types | Structural |
| Filed | Nov 12, 2025 |
| Professional | Thornton Tomasetti Inc. |
| Building | BIN 1091941 · BBL 1012790023 |
| Official record | DOB NOW job M00947028 |
DOB description
M00947028-P1: Filing herewith phased structural construction of 343M to include one-story structure on north side of site and associated below grade basements and foundations
M00947028-P3: Filed herewith for Interior & Exterior renovation for the MTA Box. Construction of an entrance to the LIRR Grand Central Madison concourse. Installation of non load bearing partitions, ceilings, floors & doors as per plans. Filed in conjunction w/NB
M00947028-P4: Filed herewith for Interior & Exterior renovation for the MTA Box. Construction of an entrance to the LIRR Grand Central Madison concourse. Installation of non load bearing partitions, ceilings, floors & doors as per plans. Filed in conjunction w/NB
Status timeline
- Nov 12, 2025 — New job filed (Approved) M00947028-P1
- Nov 18, 2025 — New job filed (Approved) M00947028-P3
- Feb 12, 2026 — Plans approved (Approved) M00947028-P3
- Mar 11, 2026 — Plans approved (Approved) M00947028-P1
- May 31, 2026 — New job filed (Approved) M00947028-P4
- Aug 24, 2026 — Plans approved (Approved) M00947028-P4
Work permits
| Permit | Work | Status | Issued | Expires |
|---|---|---|---|---|
| M00947028-S2-ST | Structural | Signed-off | Jan 28, 2026 | Oct 31, 2026 |
| M00947028-I1-GC | General Construction | Permit Issued | Jan 27, 2026 | Nov 1, 2026 |
| M00947028-S3-FO | Foundation | Signed-off | Jan 27, 2026 | Oct 31, 2026 |
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