Lassen & Hennings — NYC Tenant: Renovation Projects, Floors & Buildings from Filed Plans

Entity

Lassen & Hennings

Tenant

1 project with open permitsBROOKLYN · 1

1 building

Total Filings

Projects on File

Buildings Worked

Projects w/ Open Permits

Tenant

Primary Trade

Activity

Not enough dated projects to chart.

Portfolio status

Browse projects →

Open permit1100%

By project type

Alteration1

Most active buildings

All buildings →

114 MONTAGUE STREETBROOKLYN · 1 open · latest 02/02/2026

1 projects

Key relationships

Everyone →

Design firms

HAHN ENGINEERING, PC

1 projects

Contractors

CT IDEAL SUPPRESSION

1 projects

Most recent projects

All projects →

Project	Address	Type	Status	Filed	Latest permit	On the project	Description
B01326307 ↗	114 MONTAGUE STREET BROOKLYN	Alteration	Permit Issued	12/08/2025	02/02/2026	Design HAHN ENGINEERING, PC Contractor CT IDEAL SUPPRESSION	FILING TO UPGRADE EXISTING COMMERCIAL KITCHEN RANGEHOOD EXHAUST SYSTEM FOR LASSEN & HENNINGS, AS SHOWN ON PLANS.

Counts cover all 1 projects (1 DOB NOW). Dated by first filing; BIS projects by first permit issuance.

Who this entity's projects were filed with. Top 25 per group by shared jobs.

Name	Projects together	Most recent
HAHN ENGINEERING, PC	1	12/08/2025

Who this entity's projects were filed with. Top 25 per group by shared jobs.

Name	Projects together	Most recent
CT IDEAL SUPPRESSION	1	12/08/2025

1 DOB NOW project, anchored the same way as Buildings Worked. Status is the project's permit state today: open = at least one permit currently issued. BIS projects show their raw permit status and are not counted as open.

All 1Open permit 1

1 project

Project	Address	Type	Status	Filed	Latest permit	On the project	Description
B01326307 ↗	114 MONTAGUE STREET BROOKLYN	Alteration	Permit Issued	12/08/2025	02/02/2026	Design HAHN ENGINEERING, PC Contractor CT IDEAL SUPPRESSION	FILING TO UPGRADE EXISTING COMMERCIAL KITCHEN RANGEHOOD EXHAUST SYSTEM FOR LASSEN & HENNINGS, AS SHOWN ON PLANS.