Neighborhoods › Carroll Gardens-Cobble Hill-Gowanus-Red Hook › Building 3003853
Interior renovation: Alteration co to convert existing five-family multiple…, est. $1.1M
445 Henry Street, Brooklyn 11105 · Approved
| Job | B01231274 (8 filings: P1, P2, P3, P4, S5, S3, S6, S1) · Alteration CO |
|---|---|
| Category | interior renovation |
| Estimated cost | $1,059,249 |
| Scale | 5 → 5 stories; 5 → 2 dwelling units; 6,269 sq ft |
| Work types | General Construction |
| Filed | Mar 23, 2026 |
| Professional | Paul Christakos Architecture |
| Building | BIN 3003853 · BBL 3003230028 |
| Official record | DOB NOW job B01231274 |
DOB description
B01231274-P1: ALTERATION CO TO CONVERT EXISTING FIVE-FAMILY MULTIPLE DWELLING INTO TWO-FAMILY DWELLING
B01231274-P2: Structural work in conjunction with GC application filled under job#B01231274-I1.
B01231274-P3: Structural work in conjunction with GC application filled under job#B01231274-I1.
B01231274-P4: Structural work in conjunction with GC application filled under job#B01231274-I1.
B01231274-S5: Structural work in conjunction with GC application filled under job#B01231274-I1.
B01231274-S3: SUBSEQUENT FILING FOR PLUMBING WORK IN CONJUNCTIN WITH ALTERATION CO.
B01231274-S6: FO work in conjunction with main application filled under job # B01231274-P1.
B01231274-S1: INSTALLATION OF SPRINKLER SYSTEM IN CONJUNCTION WITH B01231274-I1.
Status timeline
- Dec 9, 2025 — New job filed (Permit Entire) B01231274-S1
- Feb 2, 2026 — New job filed (Permit Entire) B01231274-S3
- Feb 3, 2026 — New job filed (Permit Entire) B01231274-S5
- Feb 28, 2026 — Permit issued — work can start (Sprinklers) B01231274-S1
- Mar 23, 2026 — New job filed (Approved) B01231274-P1
- Apr 1, 2026 — Permit issued — work can start (Structural) B01231274-S5
- Apr 2, 2026 — New job filed (Approved) B01231274-P2
- Apr 6, 2026 — Plans approved (Approved) B01231274-P2
- May 4, 2026 — Permit issued — work can start (Permit Entire) B01231274-S1
- May 19, 2026 — Plans approved (Approved) B01231274-P1
- Jun 21, 2026 — Permit issued — work can start (Plumbing) B01231274-S3
- Jun 22, 2026 — Permit issued — work can start (Permit Entire) B01231274-S3
- Jul 28, 2026 — New job filed (Approved) B01231274-P3
- Jul 30, 2026 — Plans approved (Approved) B01231274-P3
- Aug 17, 2026 — New job filed (Approved) B01231274-P4
- Aug 18, 2026 — Plans approved (Approved) B01231274-P4
- Aug 18, 2026 — Permit issued — work can start (Permit Entire) B01231274-S5
- Oct 13, 2026 — New job filed (Plan Examiner Review) B01231274-S6
Work permits
| Permit | Work | Status | Issued | Expires |
|---|---|---|---|---|
| B01231274-S3-PL | Plumbing | Permit Issued | Jun 21, 2026 | Jun 22, 2027 |
| B01231274-S5-ST | Structural | Permit Issued | Apr 1, 2026 | May 9, 2027 |
| B01231274-S1-EW-SP | Sprinklers | Permit Issued | Feb 28, 2026 | Jan 9, 2027 |
| B01231274-I1-GC | General Construction | Permit Issued | Jan 5, 2026 | Dec 30, 2026 |
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