Neighborhoods › Williamsburg › Building 3063259
Enlargement, est. $498K
105 South 4 Street, Brooklyn 11215 · Permit Issued
| Job | B01311619 (8 filings: I1, S4, S3, S2, S1, S6, S5, S7) · Alteration CO |
|---|---|
| Category | vertical enlargement |
| Estimated cost | $498,380 |
| Scale | 4 → 4 stories; 3 → 2 dwelling units; 4,020 sq ft |
| Work types | General Construction, Foundation, Earthwork |
| Filed | Nov 2, 2025 |
| Professional | Design Concepts Architects, Aia |
| Building | BIN 3063259 · BBL 3024300036 |
| Official record | DOB NOW job B01311619 |
DOB description
B01311619-I1: RENOVATION OF EXISTING 3-FAMILY DWELLING, 4-STY RESIDENCE. ERECT A HORIZONTAL & VERTICAL ENLARGEMENT AT 1ST FLOOR. CONVERT AND OBTAIN NEW C.O. FOR 2-FAMILY DWELLING.
B01311619-S4: Sprinkler System for proposed 2 family 4 story residential building. New water main, risers, branch lines and sprinkler heads.
B01311619-S3: STRUCTURAL WORK AT CELLAR THRU 3RD FLOOR, SEE PLANS
B01311619-S2: NEW MINI-SPLIT AC SYSTEM, NEW CHIMNEY, MECHANICAL VENTS FOR BATHS AND KITCHENS AND FRESH AIR VENT AT MECH ROOM FOR RENOVATION OF RESDENTIAL DWELLING OF PROPOSED 2 FAMILY.
B01311619-S1: NEW PLUMBING AND GAS RISERS, BRANCHES AND FIXTURES CELLAR-3RD FLOOR
B01311619-S6: Additional FO filed for underpinning of adjacent buildings. See plans submitted herewith and related subsequent filings S5 and S7 on DOBNOW job #B01311619 filed in conjunction to document this work further per code and DOBNOW requirements.
B01311619-S5: Support of Excavation during underpinning of adjacent building. See plans submitted herewith and related PAA filed on DOBNOW job #B01311619-I1 filed in conjunction to document this work further per code and DOBNOW requirements.
B01311619-S7: Earthwork to install underpinning at adjacent buildings. See subsequent filings S5 and S6 for related work per code and DOBNOW
Status timeline
- Nov 2, 2025 — New job filed (Permit Issued) B01311619-I1
- Jan 11, 2026 — New job filed (Objections) B01311619-S1
- Feb 12, 2026 — New job filed (Permit Entire) B01311619-S3
- Feb 17, 2026 — New job filed (Objections) B01311619-S2
- Jun 25, 2026 — New job filed (Approved) B01311619-S4
- Jul 5, 2026 — Permit issued — work can start (Structural) B01311619-S3
- Aug 7, 2026 — Permit issued — work can start (Permit Entire) B01311619-S3
- Sep 2, 2026 — Permit issued — work can start (General Construction) B01311619-I1
- Sep 3, 2026 — Permit issued — work can start (Permit Issued) B01311619-I1
- Sep 23, 2026 — Plans approved (Approved) B01311619-S4
- Sep 26, 2026 — New job filed (Pending Plan Examiner Assignment) B01311619-S5
- Sep 27, 2026 — New job filed (Chief Plan Examiner/ Assistant Chief Plan Examiner Review) B01311619-S6
- Sep 27, 2026 — New job filed (Objections) B01311619-S7
Work permits
| Permit | Work | Status | Issued | Expires |
|---|---|---|---|---|
| B01311619-I1-GC | General Construction | Permit Issued | Sep 2, 2026 | Mar 10, 2027 |
| B01311619-S3-ST | Structural | Permit Issued | Jul 5, 2026 | Mar 10, 2027 |
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