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Assessor's Office

Welcome to the Township of Lemont Assessor's office!

We are first and foremost your local property tax advocate.


Our office provides many services to the residents of Lemont Township:

  • Filing for Homeowner, Senior, Senior Freeze, Disability and Veterans Exemptions

  • Assistance to residents with completing Certificate of Error forms for any exemptions not received, which may result in a property tax refund

  • Assistance with filing appeals to the Cook County Assessor and the Cook County Board of Review

  • Requesting a tax bill

  • Change of name and address

  • Access to Sidwell (Township property) maps

  • Free Notary Service


Assessor's Office Helpful Links



Patrick Hynes, Interim Assessor:

Suellen Sredin, Administrative Assistant:

(630) 257-2522 X116


Hours of Operation:

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

Saturday                          Closed

Sunday                            Closed