Cook County provides numerous services to the residents of unincorporated areas of the County. 

UPDATE: Our office at 69 W. Washington St. is open, but with limited staffing to encourage social distancing and prevent the...

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Building Permit Requirement Guidelines

All permits must now be submitted in digital format.


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Building Permit Application

All work, other than ordinary repairs subject to provisions of Section 102-105.3 of the Cook County Building...

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Contractor Registration


(For all Electrical and Plumbing Contractor Registrations see Electrical and Plumbing...

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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 Residential Rental License Ordinance

On June 29th 2016, the Cook County Board of Commissioners passed the Rental Dwelling...

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Cook County Cooling Centers

Cooling centers are available across Cook County during periods of excessive heat.


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Problem Reporting

The 24 hour a day number to call to report problems is (708) 448-8006.

Construction Zones


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The County Clerk coordinates all poll workers who act as Election Judges and Equipment Managers for suburban Cook County polling locations.

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An interactive map of current construction activity on the County’s highways.  Hovering on a project provides detailed information for commuters...

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Home Rule Tax Web (mobile) application

The Home Rule Tax Reward program rewards those individuals who report violations of the Cook...

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Quentin Road Phase 1 Study

Dundee Road to Lake Cook Road...

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The following map is provided in PDF format and can be printed in 8.5″ x 11″ format using Adobe Acrobat Reader “shrink to fit” feature. ...

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COVID-19 Update

The business community and residents of Cook County are facing many challenges due to the COVID-19...

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2020/2021 Wheel Tax Vehicle License Information

To pay your 2020/2021 Wheel Tax liability, please scroll to the bottom of the screen 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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