All City Engineering P.C. — NYC Filing Representative (Expediter): DOB NOW Filings & Buildings

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All City Engineering P.C.

Expediter

BROOKLYN · 4

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1 building

Total Filings

Projects on File

Buildings Worked

Projects w/ Open Permits

Expediter

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Activity

Not enough dated projects to chart.

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Signed off4100%

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Alteration4

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8424 DITMAS AVENUEBROOKLYN · latest 07/23/2025

4 projects

Key relationships

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Design firms

GOLDMAN COPELAND ASSOCIATES

4 projects

Contractors

CROSS CHECK MECH. CORP

4 projects

Owners

NATIONAL GRID

4 projects

People

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Liangkai Xialatest 10/21/2025

5 filings

Most recent projects

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Project	Address	Type	Status	Filed	Latest permit	On the project	Description
B01069400 ↗	8424 DITMAS AVENUE BROOKLYN	Alteration	Signed-off	07/16/2024	07/23/2025	Design GOLDMAN COPELAND ASSOCIATES Owner NATIONAL GRID Contractor CROSS CHECK MECH. CORP	Modify the gas piping to replace the existing boiler with new.
B01069419 ↗	8424 DITMAS AVENUE BROOKLYN	Alteration	Signed-off	07/16/2024	07/23/2025	Design GOLDMAN COPELAND ASSOCIATES Owner NATIONAL GRID Contractor CROSS CHECK MECH. CORP	REPLACE EXISTING 2 MODULAR BOILERS WITH NEW
B01069424 ↗	8424 DITMAS AVENUE BROOKLYN	Alteration	Signed-off	07/16/2024	07/23/2025	Design GOLDMAN COPELAND ASSOCIATES Owner NATIONAL GRID Contractor CROSS CHECK MECH. CORP	MODIFY THE GAS PIPING TO REPLACE (2) EX. GAS BOILER MODULES WITH NEW, REPLACE (1) EX. GAS HOT WATER HEATER WITH NEW, AND INSTALL A NEW GAS H…
B01068575 ↗	8424 DITMAS AVENUE BROOKLYN	Alteration	Signed-off	07/16/2024	07/22/2025	Design GOLDMAN COPELAND ASSOCIATES Owner NATIONAL GRID Contractor CROSS CHECK MECH. CORP	REPLACE EXISTING 4 MODULES BOILERS WITH 1 NEW BOILERS IN THE 1Fl BOILER ROOM.

Counts cover all 4 projects (4 DOB NOW). Dated by first filing; BIS projects by first permit issuance.

Every person filing for this firm, identified by their DOB NOW contact id (one id is one person). A person is listed under the firm they file for most.

Person	Filings	Most recent
Liangkai Xia	5	10/21/2025

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

Name	Projects together	Most recent
GOLDMAN COPELAND ASSOCIATES	4	10/29/2025

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

Name	Projects together	Most recent
CROSS CHECK MECH. CORP	4	10/29/2025

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

Name	Projects together	Most recent
NATIONAL GRID	4	10/29/2025

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 4Signed off 4

4 projects

Project	Address	Type	Status	Filed	Latest permit	On the project	Description
B01069400 ↗	8424 DITMAS AVENUE BROOKLYN	Alteration	Signed-off	07/16/2024	07/23/2025	Design GOLDMAN COPELAND ASSOCIATES Owner NATIONAL GRID Contractor CROSS CHECK MECH. CORP	Modify the gas piping to replace the existing boiler with new.
B01069419 ↗	8424 DITMAS AVENUE BROOKLYN	Alteration	Signed-off	07/16/2024	07/23/2025	Design GOLDMAN COPELAND ASSOCIATES Owner NATIONAL GRID Contractor CROSS CHECK MECH. CORP	REPLACE EXISTING 2 MODULAR BOILERS WITH NEW
B01069424 ↗	8424 DITMAS AVENUE BROOKLYN	Alteration	Signed-off	07/16/2024	07/23/2025	Design GOLDMAN COPELAND ASSOCIATES Owner NATIONAL GRID Contractor CROSS CHECK MECH. CORP	MODIFY THE GAS PIPING TO REPLACE (2) EX. GAS BOILER MODULES WITH NEW, REPLACE (1) EX. GAS HOT WATER HEATER WITH NEW, AND INSTALL A NEW GAS H…
B01068575 ↗	8424 DITMAS AVENUE BROOKLYN	Alteration	Signed-off	07/16/2024	07/22/2025	Design GOLDMAN COPELAND ASSOCIATES Owner NATIONAL GRID Contractor CROSS CHECK MECH. CORP	REPLACE EXISTING 4 MODULES BOILERS WITH 1 NEW BOILERS IN THE 1Fl BOILER ROOM.