Cook County Assessors Office Phone Numbers and Emails

Customer Service Number:

  • (312) 443-7550
Send Message

Customer Service:

  • (708) 974-6451
    Bridgeview Branch Office
  • (312) 603-5656
    Cook County Clerk
  • (312) 603-5640
    Mapping Department
  • (708) 232-4100
    Markham Branch Office
  • (847) 470-7237
    Skokie Branch Office

Emergency/ Hotline:

  • (312) 603-0745
    Independent Inspector General Hotline

Jobs/ Career:

  • (312) 603-5115

Cook County Assessors Office Emails:

Customer Service
Mapping Department
Technical Support
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Contact Information

Cook County Assessors Office Website:

Cook County Assessors Office Help Center:

Corporate Office Address:

Cook County Assessors Office
118 North Clark Street, Third Floor, Room 320
Chicago, Illinois 60602
United States

Other Info (opening hours):


Monday - Friday: 9:00am - 4:30pm

More contact details


+1 312 603 3616

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