Neighborhoods › Park Slope › Building 3018983

Enlargement to 4 stories, est. $515K

642 Baltic Street, Brooklyn 11209 · Permit Entire

Job	B01317025 (4 filings: I1, S2, P1, S3) · Alteration CO
Category	vertical enlargement
Estimated cost	$514,500
Scale	3 → 4 stories; 3 → 3 dwelling units; 4,389 sq ft
Work types	General Construction
Filed	Jan 15, 2026
Professional	Ye Development Inc.
Building	BIN 3018983 · BBL 3009400120
Official record	DOB NOW job B01317025

DOB description

B01317025-I1: Vertical extension of an existing 3-family and 3-story building. Obtain new C of O.
B01317025-S2: File subsequent for structural worktype.
B01317025-P1: CONSTRUCTION OF CONCRETE GRADE BEAMS IN CONJUNCTION WITH GC FILING # B01317025-I1
B01317025-S3: CONSTRUCTION OF CONCRETE GRADE BEAMS IN CONJUNCTION WITH GC FILING # B01317025-I1

Status timeline

Jan 15, 2026 — New job filed (Permit Entire) B01317025-I1
Mar 18, 2026 — New job filed (Permit Entire) B01317025-S3
Mar 23, 2026 — New job filed (Permit Entire) B01317025-S2
Jul 28, 2026 — Permit issued — work can start (General Construction) B01317025-I1
Jul 29, 2026 — Permit issued — work can start (Permit Entire) B01317025-I1
Sep 1, 2026 — New job filed (Approved) B01317025-P1
Sep 15, 2026 — Permit issued — work can start (Foundation) B01317025-S3
Sep 16, 2026 — Plans approved (Approved) B01317025-P1
Sep 16, 2026 — Permit issued — work can start (Permit Entire) B01317025-S3
Sep 24, 2026 — Permit issued — work can start (General Construction) B01317025-S2
Sep 25, 2026 — Permit issued — work can start (Permit Entire) B01317025-S2

Work permits

Permit	Work	Status	Issued	Expires
B01317025-S2-GC-CX	General Construction	Permit Issued	Sep 24, 2026	Dec 31, 2026
B01317025-S3-FO	Foundation	Permit Issued	Sep 15, 2026	Dec 31, 2026
B01317025-I1-GC	General Construction	Permit Issued	Jul 28, 2026	Dec 31, 2026

Map

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