County Assessor
GIS Mapping
County Specific
Assessor Information
Sioux City Assessor's Office
County Assessor
620 Douglas Street #703
Sioux City, IA 51101
Phone: 712-279-6505
Fax: 712-279-6896
Office Hours:
Monday - Friday
8:00am - 4:30pm
| Dates To Remember |
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January 1 Effective date of current assessment. April 16 thru May 5 inclusive Protest of assessment period for filing with the local Board of Review. May 1 thru adjournment Board of Review meets each year. October 16 thru October 25 inclusive Protest period for filing with Board of Review on those properties affected by changes in value as a result of the Director of Revenue and Finance Equalization Orders (odd numbered years.) By July 1 Period for filing for Homestead Credit and Military Exemption. One time filing is provided, by statute, unless the property owner is (1) filing for Military or Homestead Credit the first time; (2) has purchased a new or used home and is occupying the property as a homestead as of July 1st; or (3) owner was using as a homestead but did not previously file. Filing is required on the following, if provisions have been made for exemptions as required: Annual - Family Farm Credit - Impoundment Structures - Native Prairies - Open Prairies - Forest Cover - River and Stream Banks - Recreational Lake - Wetlands - Disabled Veterans Homestead Permanent - Forest Reservations - Pollution Control - Wildlife Habitat - Iowa Barn - One Room School House Other - Urban Revitalization - Industrial Partial 427B - Fruit Tree Reservations - Cattle Facilities |