This application window for Capital Improvement projects is currently closed. 

Capital Improvement applications...

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American Rescue Plan Act

On March 11, 2021, President Joseph R....

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Update on Grant Activities

The Village of Bellwood has applied for a Revolving Loan Fund (RLF) for a site located at 4901 St....

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Business Occupancy

A building shall not be constructed or occupied, an existing building shall not be expanded or otherwise altered or...

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Electronic Permits-Apply Online!

The Department of Building and Zoning is launching a new service for the residents and businesses...

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Online Payment Service

The Department of Building and Zoning is now accepting payments for many of its services.

Please make sure...

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Cook County Vacant Building Ordinance - OnLine

If I own a vacant building in unincorporated Cook County, what do I need to do?...

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Census by the Numbers

Cook County has launched an online dashboard, Census by the Numbers, in ...

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Building improvement projects through guaranteed energy performance contracting

The guaranteed energy performance...

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From the onset of the COVID-19 pandemic, President Preckwinkle and all of Cook County Government have worked tirelessly to protect the health,...

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Did you know?

  • 25% of Cook County residents lack high-speed Internet.
  • 43% of unconnected Illinois households are in Cook...
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The Cook County Department of Transportation and Highways has announced a fifth round of Invest in Cook, an $8.5 million program to cover...

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Invest in Cook 2017 Grant Application

The application period for this grant has now closed.

Thank you for your interest.

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Invest in Cook 2018 Grant Application

The Application Period for this grant is now Closed.


The call for projects...

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Cook Central: Centralizing Maps, Apps, and Data

From property and boundary data, to transportation, social service, and environmental...

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National Pollutant Discharge Elimination System (NPDES)

The National Pollutant Discharge Elimination System (NPDES) is a...

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The Economic Development Division of the Department of Planning and Development (DPD) manages programs designed to help businesses grow, expand...

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Public Notices

Public Notice - Published July 14,  2021

Draft 2021 Annual Action Plan


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Quentin Road Phase 1 Study

Dundee Road to Lake Cook Road...

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Transportation Projects

The Cook County Department of Transportation and Highways oversees the planning, design and construction of...

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Utility Coordination Council

In accordance with Illinois Compile Statute 605 ILCS 5/9-113, Cook County Department of Transportation and...

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Zoning Ordinance Administration

Administration of the zoning ordinance shall be exercised through a person in the Department of Building...

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