Assessor

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Welcome to the Seneca Township Assessor’s home page. From this page you will be able to search for Parcel information including sales, link to the County GIS system, link to the County Assessments webpage, send the assessor’s office a message and more as items are needed.


Seneca Township 2017 Equalization

The 2017 Seneca Township Equalization Factor will be 1.0396. This was determined by the Illinois Department of Revenue in a three-year sales ratio study which analyzes the arms’ length sales that have occurred in 2014, 2015 and 2016 and compares them to the prior year’s assessment values. The sales ratio study is done by the Illinois Department of Revenue for every county and township in the State of Illinois annually. The most recent data has determined that the 2017 assessments, in Seneca Township as a whole, must be increased by 3.96% over the 2016 assessment levels because the market sales over the last three years are now higher than the assessment value levels in place.

The 2017 equalization factor of 1.0396 DOES NOT mean that house values have increase 3.96%. This is an estimation tool used in order to assess the township as a whole at the statutory 33.33% of market value.

THIS EQUALIZATION FACTOR DOES NOT MEAN YOUR TAX BILL WILL INCREASE BY 3.96%.

If recent sales in your subdivision and neighborhood indicate that your parcel is overvalued after the application of the 2017 equalization factor, then that is a basis for an assessment appeal. Additionally, if your property or home is over-assessed compared to other similar properties or homes in your subdivision or neighborhood, this would also be a legitimate basis for an appeal. Property owners will not be able to appeal an assessment value based solely on the 1.0396 equalization factor.

More information on the appeal process is located at: McHenry County Assessments Website


Parcel and Sales Search***

You need any combination of the items below:

  • a Property Index Number, PIN, in the following format: 12-##-###-###. (All Seneca Township PIN’s begin with 12)
  • or, any part of an address, home # or Street Name, (e.g. 16506 or Garden Valley)
  • and/or, Neighborhood (i.e. Subdivision)
  • and/or, for Sales Searches type in a date, (all sales after that date will be displayed.)
  • and/or, a Type of property (e.g.. 1.0 story, 2.0 story, split)

***The data contained on this website is public record, made available by the Freedom of Information Act and Illinois Code. Use of this site is intended for research purposes only. Any other use is strictly forbidden.

Occasionally, this data may contain errors. Information gathered from this website cannot be used as a basis for argument until it has been verified as accurate by the Assessor’s Office.*** By clicking the I Agree button below, you acknowledge that you understand and accept the above statement.

I AGREE


Seneca Township Sales Between 7/1/2016 and 6/30/2017

  Download Spreadsheet


McHenry County GIS

Click on the following link to see your Parcel via the McHenry County Aerial maps:

McHenry County GIS

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You can use the Layers Tools to view Parcel Dimensions, Farm Land Assessments or any other helpful layers. The Basemaps can be used to see the Aerial of the PIN you are researching.

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The 2013 Aerial of our Township building with the Farm Assessment and Parcel Text Layers ON is shown above.


McHenry County Assessment Link

Visit the following link for much more on Assessments in the McHenry County:

McHenry County Assessments Website

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If you have any additional comments, questions, or require a field review to correct any erroneous information, please contact the office at:

Paul Bockman
16506 Garden Valley Rd.
Woodstock, IL 60098
Phone (815) 923-5922
Fax (815) 923-2353
assessor@senecatownship.com
Deputy Assessor- Tammy Benitez