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Building and Zoning

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The Cook County Department of Building and Zoning provides reasonable rules and regulations governing the erection, construction, alteration, demolition, or relocation of all buildings and structures within designated single family, multi-family, commercial, industrial and public zoned districts of unincorporated Cook County.    Contact Building & Zoning if you have additional questions not addressed on this site using the contact information above or the departments email contact form.    Please be sure to submit all required copies of your applications or permits as required.   Our office will not make the photocopies for you. 


Please bookmark our website at:  www.cookcountyil.gov/BuildingZoning  -  so you can easily return for permit applications, requirements or any other information you need from us.  

Our e-mail addresses are:    (1)  To Submit Permit  Applications:  intake.bnz@cookcountyil.gov    (2) For General Information:   info.bnz@cookcountyil.gov


Notice to All Applicants

County Seal

The Department of Building and Zoning now requires digital submissions for all applications and supporting documents.   We now accept an electronic copy on a flash drive or CD (PDF format).  Applicants that have digital files 25MB or less are encouraged to email their submittals  Find out the details:

Download Procedures for the New Permitting Processing System

Download our Flyer


Please contact us if you have questions.


We Want to Hear from You!


We would appreciate just a minute of your time to  fill out our online survey.  Our goal is to improve our service to you.


Click here to take survey

Ordinances and Codes

County Seal

Click here to find out more about our ordinances and codes.


Topics Include:  Amendment to the Cook County Building Ordinance (May 29, 2013).

Exit requirements, Enclosure of Exitways, Stairs, Shafts, and Vertical Openings, Quick Response Automatic Fire Sprinklers and Means of Providing Ventilation.  Please open and review the entire Ordinance for details


The Cook County Board of Commissioners have passed an Ordinance, revising how the Cook County Department of Building and Zoning will handle fee waivers for public entities and not-for-profit organizations. Click here for details

Online Permit Payments Now Available

Effective July 13, 2009, the Cook County Department of Building and Zoning now provides for permit customers to  be able to pay their Building, Plumbing and Electrical Permit fees online.
For more information, visit the Building Permit page on this site >>


Be sure to visit the blog for the Bureau of Economic Development and catch all of our latest news and events!






Agency Contact Information Portlet  
Contact Information
Contact Information

Bureau Name:

All Agencies

Main Office:

Building and Zoning
Bureau of Economic Development ----- 69 W. Washington, Suite 2830
Chicago, Illinois 60602

Telephone: (312) 603-0500
Fax: (312) 603-9940
TDD: (800) 526-0857

Timothy P. Bleuher, Commissioner

M-F: 8.30 AM-4.30 PM; Sun-Sat: Closed


To Submit Permit Applications:


For General Information:



Click here to find out about
Commit To Cook

North Side Field Office:
2nd Municipal District Court Building, 5600 Old Orchard Road, Room #022
Skokie, IL 60077

Telephone: (847)470-5000

Hours: M-F: 8.30AM-3.30PM; Sun-Sat: Closed

South Side Field Office:
5th Municipal District Court Building 7600 W. 103Rd Street, Room #064
Bridgeview, IL 60455

Telephone: (708)974-6266

Hours: M-F: 8.30AM-3.30PM; Sun-Sat: Closed