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Lake County Treasurer  

​Forms

 

Application for Delinquent Property Tax Sale Registration  pdf  (42KB)
By Illinois State Statutes, all buyers must register with the Lake County Treasurer’s office 10 business days prior to the tax sale. 
Automatic Withdrawal Application  pdf  (13KB)
This form should be completed in order to have real estate tax payments automatically withdrawal from your bank account. 
Automatic Withdrawal Program Change Form  pdf  (50KB)
Please use this form to change your status for automatic withdrawals of property taxes from your checking account. 
How to Protest Your Real Estate Taxes  pdf  (41KB)
When protesting your tax bill, it is no longer necessary to submit a protest form or a letter of protest at the time of payment. In order to protest the tax bill, you must do two things: 1. See that the tax is paid in full 2.  
Illinois Department of Revenue Form 1017  pdf  (8198KB)
This form contains the required documents for Deferral of Real Estate/Special Assessment. 
Illinois Department of Revenue Form 1018  pdf  (3191KB)
This form contains the required documents for Real Estate/Special Assessment Tax Deferral and Recovery Agreement. 
Mobile Home - Disabled American Veterans for Reduction of Mobile Home Local Services Tax  pdf  (29KB)
If you have any questions regarding this Application, please contact the Lake County Collector’s office at 847.377.2323. 
Mobile Home - Disabled Persons Application for Reduction of Mobile Home Local Services Tax  pdf  (28KB)
If you have any questions regarding this Application, please contact the Lake County Collector’s office at 847.377.2323. 
Mobile Home - Senior Citizen Application for Reduction of Mobile Home Local Services Tax  pdf  (30KB)
If you have any questions regarding this Application, please contact the Lake County Collector’s office at 847.377.2323. 
Property Tax Pre-Payment Agreement  pdf  (34KB)
This form must be completed with your Pre-Payment. 
Property Tax Relief For Military Personnel  pdf  (8KB)
Please read form carefully to see if you qualify 
Request for Change of Name or Address  pdf  (36KB)
This form should be completed to change your name and/or address on your property tax bill. 
Request for Duplicate Delinquent Property Tax Notice  pdf  (24KB)
In Accordance with the Illinois State Statutes, Chapter 35 ILCS 200/15-170, anyone receiving the Senior Citizen Homestead Exemption may designate another person to receive a duplicate copy of any delinquent real estate tax notice. 
Request for Taxpayer Identification Number and Certification  pdf  (110KB)
Federal Form W9 Request for Taxpayer Identification Number and Certification 

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Lake County, Illinois
847.377.2000
18 N. County Street
Waukegan, IL 60085
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Robert Skidmore, Treasurer
18 N. County St., Rm. 102
Waukegan, IL 60085-4351
Ph: 847.377.2323
Fx: 847.984.5899
Hours:
Monday through Friday
8:30 AM to 5:00 PM 
Due Dates Only: 
8:30 AM to 7:00 PM​
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