The Riga Township Assessor’s mission is to establish and maintain the valuation of all properties within the Township.  The use and distribution of this information provides an indirect benefit to any individual who wishes to buy, sell, or finance property in Riga Township.
The valuation of all township parcels is an annual procedure.  The effective date for establishing values of properties is December 31st of each year, also known as Tax Day. 
The Assessing Department has three basic duties:
  1. Inventory and list all property, real and personal, within Riga Township.
  2. Uniformly and equitably evaluate taxable property within Riga Township.
  3. Calculate the taxable value for each taxable piece of property within Riga Township.
The Assessing Department is responsible to carry out the State mandate of inventorying all parcels within Riga Township.  Inspections include measuring the structures on the property, verifying with the owner, when possible, information about the property and structures, taking digital photos, verifying the land description and digital sketch of the structures, and processing this information in our Computer Assisted Mass Appraisal (CAMA) software.

You can reach the Assessor, Chris Renius, at 734-347-8109 or at  You can also access the assessing data for Riga Township at  Please feel free to reach out.  We are here to help!

Riga Township Assessing record card information is available at
Requests for documents can also be made directly to the Assessing Department via email, telephone, or fax.  Please allow up to 7 business days for information requests to be fulfilled.  Depending on the scope of request, a FOIA request may be required.
In person inquiries may be made during normal business hours with an appointment.  If you wish to make an appointment to review records, please contact the Assessing Department at the phone number or email listed below.  Assessing will accommodate appointments as needed except government holidays, vacations, illness, or any other unforeseen circumstances.
Fees for copies:  There is no fee to obtain copies of record cards in the township office.  Homeowners may also obtain a free copy of their record card online by creating an account at  All other documents, depending on the scope, may be subject the FOIA fees as determined by the Township Board.
FOIA:  Custom Reports, exports or other extensive document requests may be referred to the Township Clerk to complete a Freedom of Information Act (FOIA) request form, along with the proper fee requirements for processing.
If a clerical error or mutual mistake of fact is determined prior to the adjournment of the March Board of Review, the Assessor may request the Board of review to amend the valuation.
Chris Renius, MAAO, Riga Township Assessor
Phone           734-347-8109


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