Woodbury County Courthouse

Sioux City Assessor's Office

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Map and Directions

Sioux City Assessor

620 Douglas Street #B-02
Sioux City, IA 51101

Phone: 712-279-6535
Fax: 712-279-6482

siouxcityassessor@sioux-city.org

Office Hours:
Monday - Friday
8:00am - 4:30pm

Valuation Appeal Information Print

As a property owner you have rights.

If you do not agree with the value the assessor has placed on your property, you should call or stop into the office. You can help yourself and your assessor by making sure the information on file is accurate, by locating your property on this website.

The assessor’s office staff should be able to answer your questions about your assessed value and explain how to appeal if you cannot come to an agreement.
 
The protest period is April 16th thru May 5.
 
  • All properties must fill out a Petition to Local Board of Review (see below).
  • Commercial or Industrial properties will be asked to fill out a Commerical/Industrial Operating Statement.
  • Multi Family Rental properties (3 units and above) will be asked to fill out an Income & Expense form.