Neighborhoods › Park Slope › Building 3429919
New 4-story building, 5 units
423 Dean Street, Brooklyn 10018 · Approved
| Job | B01110047 (10 filings: P1, P2, P3, P4, P5, P6, P7, P8, P9, S8) · New Building |
|---|---|
| Category | new building |
| Estimated cost | not stated |
| Scale | — → 4 stories; — → 5 dwelling units; 20,219 sq ft |
| Work types | General Construction |
| Filed | Dec 10, 2025 |
| Professional | Kookoo Design Llc |
| Building | BIN 3429919 · BBL 3009280056 |
| Official record | DOB NOW job B01110047 |
DOB description
B01110047-P1: Proposed 5 story residential building with cellar. Building is being developed pursuant to Quality Housing.
B01110047-P2: Support of excavation work for new building
B01110047-P3: Proposed 5 story residential building with cellar. Building is being developed pursuant to Quality Housing.
B01110047-P4: Installation of sprinkler system for new building.
B01110047-P5: Installation of plumbing system for new building.
B01110047-P6: Installation of mechanical systems for new building.
B01110047-P7: Support of excavation work for new building
B01110047-P8: Structural work for new building
B01110047-P9: Foundation work for new building
B01110047-S8: INSTALLATION AND USE OF TEMPORARY KNUCKLEBOOM AS PER PLANS FILED HEREWITH. NO CHANGE IN USE EGRESS, OR OCCUPANCY.
Status timeline
- Dec 10, 2025 — New job filed (Approved) B01110047-P1
- Jan 3, 2026 — Plans approved (Approved) B01110047-P1
- Jan 7, 2026 — New job filed (Approved) B01110047-P2
- Feb 4, 2026 — Plans approved (Approved) B01110047-P2
- Mar 8, 2026 — New job filed (Approved) B01110047-P3
- Apr 6, 2026 — New job filed (Approved) B01110047-P6
- Apr 8, 2026 — New job filed (Approved) B01110047-P4
- Apr 8, 2026 — New job filed (Approved) B01110047-P5
- Apr 14, 2026 — Plans approved (Approved) B01110047-P6
- Apr 17, 2026 — Plans approved (Approved) B01110047-P4
- Apr 26, 2026 — New job filed (Approved) B01110047-P7
- Apr 28, 2026 — New job filed (Approved) B01110047-P9
- May 3, 2026 — New job filed (Approved) B01110047-P8
- May 8, 2026 — Plans approved (Approved) B01110047-P9
- May 11, 2026 — Plans approved (Approved) B01110047-P7
- May 12, 2026 — Plans approved (Approved) B01110047-P5
- May 13, 2026 — Plans approved (Approved) B01110047-P8
- Aug 11, 2026 — Plans approved (Approved) B01110047-P3
- Sep 6, 2026 — New job filed (Permit Entire) B01110047-S8
- Sep 7, 2026 — Permit issued — work can start (Protection and Mechanical Methods) B01110047-S8
- Sep 8, 2026 — Permit issued — work can start (Permit Entire) B01110047-S8
Work permits
| Permit | Work | Status | Issued | Expires |
|---|---|---|---|---|
| B01110047-S8-PMM | Protection and Mechanical Methods | Permit Issued | Sep 7, 2026 | Nov 2, 2026 |
| B01110047-S5-PL | Plumbing | Permit Issued | Jul 6, 2026 | Jul 7, 2027 |
| B01110047-I1-GC | General Construction | Permit Issued | Feb 22, 2026 | Oct 26, 2026 |
| B01110047-S3-ST | Structural | Permit Issued | Dec 10, 2025 | Oct 26, 2026 |
| B01110047-S2-FO | Foundation | Permit Issued | Dec 2, 2025 | Oct 26, 2026 |
| B01110047-S1-SE | Support of Excavation | Permit Issued | Nov 16, 2025 | Oct 26, 2026 |
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