Neighborhoods › Carroll Gardens-Cobble Hill-Gowanus-Red Hook › Building 3006503

New 5-story building, 1 unit, est. $180K

44 Butler Street, Brooklyn 11354 · Approved

Job	B01278030 (12 filings: P5, S1, S6, S7, S5, P1, P3, S2, S8, P4, S3, S4) · ALT-CO - New Building with Existing Elements to Remain
Category	new building
Estimated cost	$180,000
Scale	4 → 5 stories; 3 → 1 dwelling units; 6,080 sq ft
Work types	Structural
Filed	Sep 14, 2026
Professional	Hpl Engineering P.C.
Building	BIN 3006503 · BBL 3004080028
Official record	DOB NOW job B01278030

DOB description

B01278030-P5: PROPOSED STRUCTURAL CONSTRUCTION FILING IN CONJUNCTION WITH GENERAL CONSTRUCTION JOB#: B01278030-I1.
B01278030-S1: PROPOSED STRUCTURAL CONSTRUCTION FILING IN CONJUNCTION WITH GENERAL CONSTRUCTION JOB#: B01278030-I1.
B01278030-S6: PROPOSED MECHANICAL WORK FOR A SINGLE FAMILY BUILDING. WORK AT CELLAR, BASEMENT, 1st FLOOR TO 4th FLOOR & ROOFTOP. AS PER PLAN. IN CONJUNCTION WITH DOB NOW GC JOB#: B01278030-I1.
B01278030-S7: SUBMIT SPRINKLER WORK IN CONJUNCTION WITH DOB NOW GC JOB#: B01278030-I1.
B01278030-S5: PROPOSED PLUMBING WORK FOR A SINGLE FAMILY BUILDING. WORK AT OPEN SPACE, CELLAR, BASEMENT, 1st TO 4th FLOOR, AND ROOF. AS PER PLAN. IN CONJUNCTION WITH DOB NOW JOB#: B01278030-I1.
B01278030-P1: PROPOSED SELF UNDERPINNING CONSTRUCTION FILING IN CONJUNCTION WITH ALT-CO NB JOB#: B01278030-I1.
B01278030-P3: PROPOSED FOUNDATION CONSTRUCTION FILING IN CONJUNCTION WITH ALT-CO JOB#: B01278030-I1.
B01278030-S2: PROPOSED FOUNDATION CONSTRUCTION FILING IN CONJUNCTION WITH ALT-CO JOB#: B01278030-I1.
B01278030-S8: PROPOSED SELF UNDERPINNING CONSTRUCTION FILING IN CONJUNCTION WITH ALT-CO NB JOB#: B01278030-I1.
B01278030-P4: FILE SOE APPLICATION IN CONJUNCTION WITH GC JOB#: B01278030-I1.
B01278030-S3: FILE SOE APPLICATION IN CONJUNCTION WITH GC JOB#: B01278030-I1.
B01278030-S4: PROPOSED TEMPORARY CONSTRUCTION FENCE TO BE INSTALLED IN THE OPEN SPACE, EXTENDING BEYOND THE FRONT PROPERTY LINE AND ALONG THE REAR YARD PROPERTY LINE, AS PER PLAN. THIS WORK IS IN CONJUNCTION WITH GC JOB#: B01278030-I1.

Status timeline

Nov 9, 2025 — New job filed (Permit Entire) B01278030-S1
Nov 9, 2025 — New job filed (Permit Entire) B01278030-S2
Nov 9, 2025 — New job filed (Permit Entire) B01278030-S3
Nov 9, 2025 — New job filed (Permit Entire) B01278030-S4
Nov 9, 2025 — New job filed (Permit Entire) B01278030-S5
Nov 10, 2025 — New job filed (Permit Entire) B01278030-S6
Dec 18, 2025 — New job filed (Permit Entire) B01278030-S7
Jan 8, 2026 — New job filed (Permit Entire) B01278030-S8
Jan 11, 2026 — Permit issued — work can start (Structural) B01278030-S1
Jan 11, 2026 — Permit issued — work can start (Foundation) B01278030-S2
Jan 11, 2026 — Permit issued — work can start (Construction Fence) B01278030-S4
Jan 12, 2026 — Permit issued — work can start (Permit Entire) B01278030-S4
Jan 20, 2026 — Permit issued — work can start (Plumbing) B01278030-S5
Jan 21, 2026 — Permit issued — work can start (Permit Entire) B01278030-S5
Jan 25, 2026 — Permit issued — work can start (Mechanical Systems) B01278030-S6
Jan 26, 2026 — Permit issued — work can start (Permit Entire) B01278030-S6
Jan 26, 2026 — Permit issued — work can start (Sprinklers) B01278030-S7
Jan 27, 2026 — Permit issued — work can start (Permit Entire) B01278030-S7
Feb 4, 2026 — Permit issued — work can start (Support of Excavation) B01278030-S3
Feb 17, 2026 — Permit issued — work can start (Foundation) B01278030-S8
Jul 18, 2026 — Permit expired (Plumbing) B01278030-S5
Jul 18, 2026 — Permit expired (Sprinklers) B01278030-S7
Jul 23, 2026 — New job filed (Approved) B01278030-P1
Aug 4, 2026 — New job filed (Approved) B01278030-P3
Aug 4, 2026 — New job filed (Approved) B01278030-P4
Aug 18, 2026 — Plans approved (Approved) B01278030-P4
Aug 18, 2026 — Permit issued — work can start (Permit Entire) B01278030-S3
Aug 19, 2026 — Plans approved (Approved) B01278030-P1
Aug 19, 2026 — Permit issued — work can start (Permit Entire) B01278030-S8
Sep 14, 2026 — New job filed (Approved) B01278030-P5
Sep 15, 2026 — Plans approved (Approved) B01278030-P3
Sep 15, 2026 — Permit issued — work can start (Permit Entire) B01278030-S2
Oct 14, 2026 — Plans approved (Approved) B01278030-P5
Oct 14, 2026 — Permit issued — work can start (Permit Entire) B01278030-S1

Work permits

Permit	Work	Status	Issued	Expires
B01278030-S8-FO	Foundation	Permit Issued	Feb 17, 2026	Jan 1, 2027
B01278030-S3-SE	Support of Excavation	Permit Issued	Feb 4, 2026	Jan 1, 2027
B01278030-S7-EW-SP	Sprinklers	Permit Issued	Jan 26, 2026	Jul 18, 2026
B01278030-S6-MS	Mechanical Systems	Permit Issued	Jan 25, 2026	Jan 1, 2027
B01278030-S5-PL	Plumbing	Permit Issued	Jan 20, 2026	Jul 18, 2026
B01278030-I1-GC	General Construction	Permit Issued	Jan 11, 2026	Dec 31, 2026
B01278030-S1-ST	Structural	Permit Issued	Jan 11, 2026	Jan 1, 2027
B01278030-S2-FO	Foundation	Permit Issued	Jan 11, 2026	Jan 1, 2027
B01278030-S4-FN	Construction Fence	Permit Issued	Jan 11, 2026	Jan 1, 2027

Map

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