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Lauren Lee

Lauren Lee

The Tax Sale Property application is now available providing information regarding those properties in the County currently up for the annual Tax Sale which will take place on November 1st, 2018. Properties are searchable by PIN or by clicking on the map. You can locate the application provided by the Collector's Office and GIS Office by clicking Here or on the Collector or GIS pages.

More information about Elections can be found here.

For more information on options to pay your tax bill, visit the Whiteside County Collector's webpage here.

The GIS office announces a new online mapping application called My Neighborhood Services. This map allows the general public to locate government facilities and available services that increase the quality of life in a community, such as libraries, fire stations, hospitals & clinics, post offices, etc. You can find the new application here or in the map gallery on the GIS office's home page.

Whiteside County Economic Development Website

A new website has launched highlighting the economic and business advantages Whiteside County and Northwest Illinois have to offer. Please visit the new website at the link above. 


The Whiteside County Highway Department and GIS Office announce a new map series depicting the Five Year Plan for capital improvements (2018 - 2022) . The tabbed map series can be viewed here. Those improvements scheduled for 2018 have additional information available in the attachments located in the pop-up window when you select a road.

Property owners and residents with flood-damaged structures should contact Whiteside County Building and Zoning Department at (815) 772-5175 Ext. 1 for information on building permit requirements. 

Click here for more information.

***If you are located in an incorporated area or municipality, please contact your building official for building permit requirements.

Early Voting for the primary election on March 20th is happening now. Find your sample ballot here.

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