Neighborhoods › Downtown Brooklyn-DUMBO-Boerum Hill › Building 3430308
New 43-story building, 295 units, est. $1K
55 Willoughby Street, Brooklyn 10005 · Approved
| Job | B00645411 (11 filings: A5, A6, B2, B3, B4, B5, C2, C3, C4, C5, B6) · New Building |
|---|---|
| Category | new building |
| Estimated cost | $1,000 |
| Scale | — → 43 stories; — → 295 dwelling units; 269,666 sq ft |
| Work types | Foundation, Earthwork |
| Filed | Nov 9, 2025 |
| Professional | Desimone Consulting Engineers |
| Building | BIN 3430308 · BBL 3001470044 |
| Official record | DOB NOW job B00645411 |
DOB description
B00645411-A5: Phase 2 Foundation work in conjunction with NB.
B00645411-A6: Structural work in conjunction with NB.
B00645411-B2: New 43 story building.
B00645411-B3: Sprinkler/Standpipe work in conjunction with NB # B00645411.
B00645411-B4: Plumbing work in conjunction with NB # B00645411.
B00645411-B5: Mechanical work in conjunction with NB # B00645411.
B00645411-C2: Plumbing work in conjunction with NB # B00645411.
B00645411-C3: New 43 story building.
B00645411-C4: Plumbing work in conjunction with NB # B00645411.
B00645411-C5: Mechanical work in conjunction with NB # B00645411.
B00645411-B6: Installation of underground piping in conjunction with NB # B00645411
Status timeline
- Oct 20, 2025 — New job filed (Approved) B00645411-B2
- Oct 29, 2025 — New job filed (Approved) B00645411-B3
- Nov 9, 2025 — New job filed (Approved) B00645411-A5
- Nov 17, 2025 — New job filed (Approved) B00645411-B4
- Nov 23, 2025 — New job filed (Approved) B00645411-B6
- Nov 26, 2025 — Plans approved (Approved) B00645411-B4
- Nov 26, 2025 — Plans approved (Approved) B00645411-B6
- Nov 30, 2025 — New job filed (Approved) B00645411-B5
- Dec 1, 2025 — Plans approved (Approved) B00645411-B3
- Dec 9, 2025 — Plans approved (Approved) B00645411-A5
- Dec 15, 2025 — Plans approved (Approved) B00645411-B5
- Dec 16, 2025 — Plans approved (Approved) B00645411-B2
- Dec 21, 2025 — New job filed (Approved) B00645411-A6
- Jan 14, 2026 — Plans approved (Approved) B00645411-A6
- Feb 9, 2026 — New job filed (Approved) B00645411-C2
- Feb 11, 2026 — Plans approved (Approved) B00645411-C2
- Mar 5, 2026 — New job filed (Approved) B00645411-C3
- Mar 5, 2026 — New job filed (Approved) B00645411-C4
- Mar 12, 2026 — Plans approved (Approved) B00645411-C3
- Mar 16, 2026 — New job filed (Approved) B00645411-C5
- Mar 18, 2026 — Plans approved (Approved) B00645411-C4
- Mar 30, 2026 — Plans approved (Approved) B00645411-C5
Work permits
| Permit | Work | Status | Issued | Expires |
|---|---|---|---|---|
| B00645411-Z1-EW-SD | Standpipe | Permit Issued | Dec 7, 2025 | Oct 4, 2026 |
| B00645411-I1-GC | General Construction | Permit Issued | Dec 1, 2025 | Dec 2, 2026 |
| B00645411-S9-EW-SD | Sprinklers | Permit Issued | Nov 30, 2025 | Dec 1, 2026 |
| B00645411-S8-PL | Plumbing | Signed-off | Oct 20, 2025 | Sep 18, 2026 |
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