Cook County Assessor's Office
Cook County Assessor's Office
Opening hours
- Monday
- 8 AM - 4:30 PM
- Tuesday
- 8 AM - 4:30 PM
- Wednesday
- 8 AM - 4:30 PM
- Thursday
- 8 AM - 4:30 PM
- Friday
- 8 AM - 4:30 PM
- Saturday
- Closed
- Sunday
- Closed
Downtown Office: 118 N. Clark Street, Room 320 Chicago, IL 60602 Markham Office: 16501 S. Kedzie Ave. Markham, IL 60426 | Skokie Office: 5600 W. Old Orchard Rd., Room #149 Skokie, IL 60077, Chicago, Illinois,il
Our Booking PolicyPlease file online for missing exemptions prior to your visit using the link below. Upon your visit our office, please provide us with your filing number.
https://propertytaxfilings.cookcountyil.gov/Filing/FilingType/Info/CCAO_COE_EXEMPT_2024
https://propertytaxfilings.cookcountyil.gov/Filing/FilingType/Info/CCAO_COE_EXEMPT_2024
Please file online for missing exemptions prior to your visit using the link below. Upon your visit our office, please provide us with your filing number.
https://propertytaxfilings.cookcountyil.gov/Filing/FilingType/Info/CCAO_COE_EXEMPT_2024
Services & Locations
For taxpayers needing assistance with appeal filing or FOIA requests, including requesting documents.
Address questions about billing, payment, challenges to erroneous exemptions, or the hearing process.
For those who need assistance with incentive applications, fees, or renewals. Please specify the type of assistance sought, and the type of incentive property (i.e., 6B, 7, 8, 9, C, L).
Please bring the following documents to your appointment:
• Photo ID that verifies your identity and property address
• Proof of property tax liability
To see a full list of required documents visit: www.cookcountyassessor.com/senior-freeze-exemption
• Photo ID that verifies your identity and property address
• Proof of property tax liability
To see a full list of required documents visit: www.cookcountyassessor.com/senior-freeze-exemption
Please bring the following documents to your appointment:
• Photo ID that verifies your identity and property address
• Proof of property tax liability
To see a full list of required documents visit: www.cookcountyassessor.com/homeowner-exemption
• Photo ID that verifies your identity and property address
• Proof of property tax liability
To see a full list of required documents visit: www.cookcountyassessor.com/homeowner-exemption
Senior:
Please bring the following documents to your appointment:
• Photo ID that verifies your identity and property address
• Proof of property tax liability
To see a full list of required documents visit:
www.cookcountyassessor.com/senior-citizen-exemption
Please bring the following documents to your appointment:
• Photo ID that verifies your identity and property address
• Proof of property tax liability
To see a full list of required documents visit:
www.cookcountyassessor.com/senior-citizen-exemption
Please bring the following documents to your appointment:
• Photo ID that verifies your identity and property address
• Verification of disability such as Social Security administration benefit award letter, Class 2 or 2A Disabled Person Illinois ID card, etc.
To see examples and a full list of required documents visit:
www.cookcountyassessor.com/persons-disabilities-exemption
• Photo ID that verifies your identity and property address
• Verification of disability such as Social Security administration benefit award letter, Class 2 or 2A Disabled Person Illinois ID card, etc.
To see examples and a full list of required documents visit:
www.cookcountyassessor.com/persons-disabilities-exemption
Please bring the following documents to your appointment:
• Photo ID that verifies your identity and property address
• Department of Defense DD Form 214 for veterans discharged from active duty service
• Military orders and travel voucher showing date of return for veterans on active duty returning home
To see examples and a full list of required documents visit:
www.cookcountyassessor.com/returning-veterans-exemption
• Photo ID that verifies your identity and property address
• Department of Defense DD Form 214 for veterans discharged from active duty service
• Military orders and travel voucher showing date of return for veterans on active duty returning home
To see examples and a full list of required documents visit:
www.cookcountyassessor.com/returning-veterans-exemption
Eligible homeowners will be mailed an application to verify qualifications. If you were mailed an application, bring the following:
• Photo ID that verifies your identity and property address
• Verification of household income
• Proof of property tax liability
To see examples and a full list of required documents visit: www.cookcountyassessor.com/longtime-homeowner-exemption
• Photo ID that verifies your identity and property address
• Verification of household income
• Proof of property tax liability
To see examples and a full list of required documents visit: www.cookcountyassessor.com/longtime-homeowner-exemption
Please bring the following documents to your appointment:
• Photo ID that verifies your identity and property address
• Disability Certification letter from the US Department of Veterans Affairs that includes percentage of disability and the effective date of that disability rating.
• For first-time applicants Department of Defense DDForm 214 certified by either the Cook County Clerk’s office or IL Department of Veterans Affairs.
To see examples and a full list of required documents visit:
www.cookcountyassessor.com/veterans-disabilities-exemption
• Photo ID that verifies your identity and property address
• Disability Certification letter from the US Department of Veterans Affairs that includes percentage of disability and the effective date of that disability rating.
• For first-time applicants Department of Defense DDForm 214 certified by either the Cook County Clerk’s office or IL Department of Veterans Affairs.
To see examples and a full list of required documents visit:
www.cookcountyassessor.com/veterans-disabilities-exemption
Receive assistance regarding assessment appeals for residential properties. As a reminder, an appeal can be filed online at www.cookcountyassessor.com/online-appeals. Your in person appointment will be in Room 301.
Receive assistance regarding assessment appeals for commercial properties. As a reminder, an appeal can be filed online at www.cookcountyassessor.com/online-appeals.
Please bring the following documents to your appointment:
• Photo ID that verifies your identity and property address
• Proof of property tax liability
To see a full list of required documents visit: www.cookcountyassessor.com/homeowner-exemption
• Photo ID that verifies your identity and property address
• Proof of property tax liability
To see a full list of required documents visit: www.cookcountyassessor.com/homeowner-exemption
Please bring the following documents to your appointment:
• Photo ID that verifies your identity and property address
• Proof of property tax liability
To see a full list of required documents visit: www.cookcountyassessor.com/senior-freeze-exemption
• Photo ID that verifies your identity and property address
• Proof of property tax liability
To see a full list of required documents visit: www.cookcountyassessor.com/senior-freeze-exemption
Eligible homeowners will be mailed an application to verify qualifications. If you were mailed an application, bring the following:
• Photo ID that verifies your identity and property address
• Verification of household income
• Proof of property tax liability
To see examples and a full list of required documents visit: www.cookcountyassessor.com/longtime-homeowner-exemption
• Photo ID that verifies your identity and property address
• Verification of household income
• Proof of property tax liability
To see examples and a full list of required documents visit: www.cookcountyassessor.com/longtime-homeowner-exemption
Please bring the following documents to your appointment:
• Photo ID that verifies your identity and property address
• Department of Defense DD Form 214 for veterans discharged from active duty service
• Military orders and travel voucher showing date of return for veterans on active duty returning home
To see examples and a full list of required documents visit:
www.cookcountyassessor.com/returning-veterans-exemption
• Photo ID that verifies your identity and property address
• Department of Defense DD Form 214 for veterans discharged from active duty service
• Military orders and travel voucher showing date of return for veterans on active duty returning home
To see examples and a full list of required documents visit:
www.cookcountyassessor.com/returning-veterans-exemption
Please bring the following documents to your appointment:
• Photo ID that verifies your identity and property address
• Proof of property tax liability
To see a full list of required documents visit:
www.cookcountyassessor.com/senior-citizen-exemption
• Photo ID that verifies your identity and property address
• Proof of property tax liability
To see a full list of required documents visit:
www.cookcountyassessor.com/senior-citizen-exemption
Please bring the following documents to your appointment:
• Photo ID that verifies your identity and property address
• Disability Certification letter from the US Department of Veterans Affairs that includes percentage of disability and the effective date of that disability rating.
• For first-time applicants Department of Defense DDForm 214 certified by either the Cook County Clerk’s office or IL Department of Veterans Affairs.
To see examples and a full list of required documents visit:
www.cookcountyassessor.com/veterans-disabilities-exemption
• Photo ID that verifies your identity and property address
• Disability Certification letter from the US Department of Veterans Affairs that includes percentage of disability and the effective date of that disability rating.
• For first-time applicants Department of Defense DDForm 214 certified by either the Cook County Clerk’s office or IL Department of Veterans Affairs.
To see examples and a full list of required documents visit:
www.cookcountyassessor.com/veterans-disabilities-exemption
Please bring the following documents to your appointment:
• Photo ID that verifies your identity and property address
• Verification of disability such as Social Security administration benefit award letter, Class 2 or 2A Disabled Person Illinois ID card, etc.
To see examples and a full list of required documents visit:
www.cookcountyassessor.com/persons-disabilities-exemption
• Photo ID that verifies your identity and property address
• Verification of disability such as Social Security administration benefit award letter, Class 2 or 2A Disabled Person Illinois ID card, etc.
To see examples and a full list of required documents visit:
www.cookcountyassessor.com/persons-disabilities-exemption
Receive assistance regarding assessment appeals for residential properties. As a reminder, an appeal can be filed online at www.cookcountyassessor.com/online-appeals.
Please bring the following documents to your appointment:
• Photo ID that verifies your identity and property address
• Proof of property tax liability
To see a full list of required documents visit: www.cookcountyassessor.com/homeowner-exemption
• Photo ID that verifies your identity and property address
• Proof of property tax liability
To see a full list of required documents visit: www.cookcountyassessor.com/homeowner-exemption
Please bring the following documents to your appointment:
• Photo ID that verifies your identity and property address
• Verification of disability such as Social Security administration benefit award letter, Class 2 or 2A Disabled Person Illinois ID card, etc.
To see examples and a full list of required documents visit:
www.cookcountyassessor.com/persons-disabilities-exemption
• Photo ID that verifies your identity and property address
• Verification of disability such as Social Security administration benefit award letter, Class 2 or 2A Disabled Person Illinois ID card, etc.
To see examples and a full list of required documents visit:
www.cookcountyassessor.com/persons-disabilities-exemption
Please bring the following documents to your appointment:
• Photo ID that verifies your identity and property address
• Proof of property tax liability
To see a full list of required documents visit: www.cookcountyassessor.com/senior-freeze-exemption
• Photo ID that verifies your identity and property address
• Proof of property tax liability
To see a full list of required documents visit: www.cookcountyassessor.com/senior-freeze-exemption
Please bring the following documents to your appointment:
• Photo ID that verifies your identity and property address
• Department of Defense DD Form 214 for veterans discharged from active duty service
• Military orders and travel voucher showing date of return for veterans on active duty returning home
To see examples and a full list of required documents visit:
www.cookcountyassessor.com/returning-veterans-exemption
• Photo ID that verifies your identity and property address
• Department of Defense DD Form 214 for veterans discharged from active duty service
• Military orders and travel voucher showing date of return for veterans on active duty returning home
To see examples and a full list of required documents visit:
www.cookcountyassessor.com/returning-veterans-exemption
Please bring the following documents to your appointment:
• Photo ID that verifies your identity and property address
• Proof of property tax liability
To see a full list of required documents visit:
www.cookcountyassessor.com/senior-citizen-exemption
• Photo ID that verifies your identity and property address
• Proof of property tax liability
To see a full list of required documents visit:
www.cookcountyassessor.com/senior-citizen-exemption
Please bring the following documents to your appointment:
• Photo ID that verifies your identity and property address
• Disability Certification letter from the US Department of Veterans Affairs that includes percentage of disability and the effective date of that disability rating.
• For first-time applicants Department of Defense DDForm 214 certified by either the Cook County Clerk’s office or IL Department of Veterans Affairs.
To see examples and a full list of required documents visit:
www.cookcountyassessor.com/veterans-disabilities-exemption
• Photo ID that verifies your identity and property address
• Disability Certification letter from the US Department of Veterans Affairs that includes percentage of disability and the effective date of that disability rating.
• For first-time applicants Department of Defense DDForm 214 certified by either the Cook County Clerk’s office or IL Department of Veterans Affairs.
To see examples and a full list of required documents visit:
www.cookcountyassessor.com/veterans-disabilities-exemption
Eligible homeowners will be mailed an application to verify qualifications. If you were mailed an application, bring the following:
• Photo ID that verifies your identity and property address
• Verification of household income
• Proof of property tax liability
To see examples and a full list of required documents visit: www.cookcountyassessor.com/longtime-homeowner-exemption
• Photo ID that verifies your identity and property address
• Verification of household income
• Proof of property tax liability
To see examples and a full list of required documents visit: www.cookcountyassessor.com/longtime-homeowner-exemption
Receive assistance regarding assessment appeals for residential properties. As a reminder, an appeal can be filed online at www.cookcountyassessor.com/online-appeals.
Please bring the following documents to your appointment:
• Photo ID that verifies your identity and property address
• Proof of property tax liability
To see a full list of required documents visit: www.cookcountyassessor.com/homeowner-exemption
• Photo ID that verifies your identity and property address
• Proof of property tax liability
To see a full list of required documents visit: www.cookcountyassessor.com/homeowner-exemption
Please bring the following documents to your appointment:
• Photo ID that verifies your identity and property address
• Proof of property tax liability
To see a full list of required documents visit: www.cookcountyassessor.com/senior-freeze-exemption
• Photo ID that verifies your identity and property address
• Proof of property tax liability
To see a full list of required documents visit: www.cookcountyassessor.com/senior-freeze-exemption
Eligible homeowners will be mailed an application to verify qualifications. If you were mailed an application, bring the following:
• Photo ID that verifies your identity and property address
• Verification of household income
• Proof of property tax liability
To see examples and a full list of required documents visit: www.cookcountyassessor.com/longtime-homeowner-exemption
• Photo ID that verifies your identity and property address
• Verification of household income
• Proof of property tax liability
To see examples and a full list of required documents visit: www.cookcountyassessor.com/longtime-homeowner-exemption
Please bring the following documents to your appointment:
• Photo ID that verifies your identity and property address
• Department of Defense DD Form 214 for veterans discharged from active duty service
• Military orders and travel voucher showing date of return for veterans on active duty returning home
To see examples and a full list of required documents visit:
www.cookcountyassessor.com/returning-veterans-exemption
• Photo ID that verifies your identity and property address
• Department of Defense DD Form 214 for veterans discharged from active duty service
• Military orders and travel voucher showing date of return for veterans on active duty returning home
To see examples and a full list of required documents visit:
www.cookcountyassessor.com/returning-veterans-exemption
Please bring the following documents to your appointment:
• Photo ID that verifies your identity and property address
• Proof of property tax liability
To see a full list of required documents visit:
www.cookcountyassessor.com/senior-citizen-exemption
• Photo ID that verifies your identity and property address
• Proof of property tax liability
To see a full list of required documents visit:
www.cookcountyassessor.com/senior-citizen-exemption
Please bring the following documents to your appointment:
• Photo ID that verifies your identity and property address
• Disability Certification letter from the US Department of Veterans Affairs that includes percentage of disability and the effective date of that disability rating.
• For first-time applicants Department of Defense DDForm 214 certified by either the Cook County Clerk’s office or IL Department of Veterans Affairs.
To see examples and a full list of required documents visit:
www.cookcountyassessor.com/veterans-disabilities-exemption
• Photo ID that verifies your identity and property address
• Disability Certification letter from the US Department of Veterans Affairs that includes percentage of disability and the effective date of that disability rating.
• For first-time applicants Department of Defense DDForm 214 certified by either the Cook County Clerk’s office or IL Department of Veterans Affairs.
To see examples and a full list of required documents visit:
www.cookcountyassessor.com/veterans-disabilities-exemption
Please bring the following documents to your appointment:
• Photo ID that verifies your identity and property address
• Verification of disability such as Social Security administration benefit award letter, Class 2 or 2A Disabled Person Illinois ID card, etc.
To see examples and a full list of required documents visit:
www.cookcountyassessor.com/persons-disabilities-exemption
• Photo ID that verifies your identity and property address
• Verification of disability such as Social Security administration benefit award letter, Class 2 or 2A Disabled Person Illinois ID card, etc.
To see examples and a full list of required documents visit:
www.cookcountyassessor.com/persons-disabilities-exemption
About
The Assessor's Office is responsible for setting fair and accurate values for 1.8 million parcels of Cook County property. The value of these properties is not determined on an individual basis, but rather by a mass appraisal system. The mass appraisal system is a way to put fairness into the entire assessment process.
Contact us
Good to know
Opening hours
- Monday
- 8 AM - 4:30 PM
- Tuesday
- 8 AM - 4:30 PM
- Wednesday
- 8 AM - 4:30 PM
- Thursday
- 8 AM - 4:30 PM
- Friday
- 8 AM - 4:30 PM
- Saturday
- Closed
- Sunday
- Closed