I.S. 239-Brooklyn — NYC Tenant: Renovation Projects, Floors & Buildings from Filed Plans

Entity

I.S. 239-Brooklyn

Tenant · filed under 2 names

3 projects with open permitsBROOKLYN · 4

1 building

Total Filings

Projects on File

Buildings Worked

Projects w/ Open Permits

Tenant

Primary Trade

Activity

Projects by first filing month4 projects all-time

bars = month · line = 3-mo average

Portfolio status

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Open permit375%

Filed only125%

By project type

Alteration4

Most active buildings

All buildings →

2423 NEPTUNE AVENUEBROOKLYN · 3 open · latest 09/11/2026

4 projects

Key relationships

Everyone →

Design firms

AK CONSULTING SERVICES, INC

3 projects

GREENMAN-PEDERSEN, INC.

1 projects

Filing representatives

AK CONSULTING SERVICES, INC

3 projects

Contractors

KEL-TECH CONSTRUCTION INC

3 projects

Owners

NYC SCHOOL CONSTRUCTION AUTHORITY

3 projects

Filed under

I.S. 239-Brooklyn3I.S. 2391

Identified by the contact ids of the people who file for the firm and by its email domain, not by matching names.

Most recent projects

All projects →

Project	Address	Type	Status	Filed	Latest permit	On the project	Description
B00940614 ↗	2423 NEPTUNE AVENUE BROOKLYN	Alteration	Permit Issued	03/04/2024	09/11/2026	Design AK CONSULTING SERVICES, INC Owner NYC SCHOOL CONSTRUCTION AUTHORITY Contractor KEL-TECH CONSTRUCTION INC Filer AK CONSULTING SERVICES, INC	INSTALLATION OF NEW SIDEWALK SHED FOR IS 239K AT 2401 NEPTUNE AVENUE, BROOKLYN AS INDICATED ON PLANS. THERE WILL BE NO CHANGE IN THE USE, EG…
B00940611 ↗	2423 NEPTUNE AVENUE BROOKLYN	Alteration	Permit Issued	03/04/2024	11/19/2025	Design AK CONSULTING SERVICES, INC Owner NYC SCHOOL CONSTRUCTION AUTHORITY Contractor KEL-TECH CONSTRUCTION INC Filer AK CONSULTING SERVICES, INC	INSTALLATION OF TEMPORARY CONSTRUCTION FENCE FOR IS 239K AT 2401 NEPTUNE AVENUE, BROOKLYN AS INDICATED ON PLANS. THERE WILL BE NO CHANGE IN …
B00940617 ↗	2423 NEPTUNE AVENUE BROOKLYN	Alteration	Permit Issued	03/04/2024	11/19/2025	Design AK CONSULTING SERVICES, INC Owner NYC SCHOOL CONSTRUCTION AUTHORITY Contractor KEL-TECH CONSTRUCTION INC Filer AK CONSULTING SERVICES, INC	INSTALLATION OF PIPE SCAFFOLD FOR IS 239K AT 2401 NEPTUNE AVENUE, BROOKLYN AS INDICATED ON PLANS. THERE WILL BE NO CHANGE IN THE USE, EGRES…
B01302010 ↗	2423 NEPTUNE AVENUE BROOKLYN	Alteration	Filed — no permit on record	10/17/2025	—	Design GREENMAN-PEDERSEN, INC.	—

Counts cover all 4 projects (4 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
AK CONSULTING SERVICES, INC	3	03/04/2024
GREENMAN-PEDERSEN, INC.	1	10/17/2025

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

Name	Projects together	Most recent
KEL-TECH CONSTRUCTION INC	3	03/04/2024

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

Name	Projects together	Most recent
NYC SCHOOL CONSTRUCTION AUTHORITY	3	03/04/2024

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

Name	Projects together	Most recent
AK CONSULTING SERVICES, INC	3	03/04/2024

4 DOB NOW projects, 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 4Open permit 3Filed only 1

4 projects

Project	Address	Type	Status	Filed	Latest permit	On the project	Description
B00940614 ↗	2423 NEPTUNE AVENUE BROOKLYN	Alteration	Permit Issued	03/04/2024	09/11/2026	Design AK CONSULTING SERVICES, INC Owner NYC SCHOOL CONSTRUCTION AUTHORITY Contractor KEL-TECH CONSTRUCTION INC Filer AK CONSULTING SERVICES, INC	INSTALLATION OF NEW SIDEWALK SHED FOR IS 239K AT 2401 NEPTUNE AVENUE, BROOKLYN AS INDICATED ON PLANS. THERE WILL BE NO CHANGE IN THE USE, EG…
B00940611 ↗	2423 NEPTUNE AVENUE BROOKLYN	Alteration	Permit Issued	03/04/2024	11/19/2025	Design AK CONSULTING SERVICES, INC Owner NYC SCHOOL CONSTRUCTION AUTHORITY Contractor KEL-TECH CONSTRUCTION INC Filer AK CONSULTING SERVICES, INC	INSTALLATION OF TEMPORARY CONSTRUCTION FENCE FOR IS 239K AT 2401 NEPTUNE AVENUE, BROOKLYN AS INDICATED ON PLANS. THERE WILL BE NO CHANGE IN …
B00940617 ↗	2423 NEPTUNE AVENUE BROOKLYN	Alteration	Permit Issued	03/04/2024	11/19/2025	Design AK CONSULTING SERVICES, INC Owner NYC SCHOOL CONSTRUCTION AUTHORITY Contractor KEL-TECH CONSTRUCTION INC Filer AK CONSULTING SERVICES, INC	INSTALLATION OF PIPE SCAFFOLD FOR IS 239K AT 2401 NEPTUNE AVENUE, BROOKLYN AS INDICATED ON PLANS. THERE WILL BE NO CHANGE IN THE USE, EGRES…
B01302010 ↗	2423 NEPTUNE AVENUE BROOKLYN	Alteration	Filed — no permit on record	10/17/2025	—	Design GREENMAN-PEDERSEN, INC.	—