Mercer County Tax Assessor

Mercer Tax Assessor offices are responsible to carry out the mandate of Illinois in Mercer county. The law mandates that all real properties are subject to taxation unless exemption is imposed. Tax assessments are necessary in support to the required services to IL residents. Tax assessments go to services such as those provided for law enforcement, education, fire protection, parks and recreation, and many more.

The Mercer county directory portal for local tax assessor offices provides a comprehensive guide to the public. The site includes the name of the assigned tax assessor office for easy reference and related transaction.

Mercer Tax Assessor: Mercer County Assessment Officer

Tax Assessor Office Address: Mercer County Courthouse, 100 SE 3rd St., Aledo, IL 61231

Phone: (309) 582-7814

Fax: (309) 582-2541


Zip Code: 309

Office Hours: Central

Schedule an Appointment with Mercer County, Illinois Property Tax Assessor

The Mercer county, IL tax assessor office provides the necessary services to estimate the real property value within its jurisdiction. The property value is an essential component in computing the property tax bills. The Mercer tax assessor office is also tasked to provide supplemental bills, business property taxes, and other vital information for transparency.

Contact your Mercer tax assessor office for tax information and other related inquiries and concerns.