Customers are required to follow COVID restrictions. Our building hours are 8:00 am - 4:30 pm.
The County Assessor and staff are responsible for identifying, classifying, and valuing all real property and some classes of personal property within the boundaries of the county for ad valorum taxation purposes.
Each assessment period begins on January 2nd of each year for computing the taxes which will be payable the following year. Appeals of the estimated market values and classifications are heard at the Local Board of Appeal and Equalization (LBAE) meetings or open book meetings for each local jurisdiction during the second half of April. Only appeals to the Local Boards are eligible to continuance to the County Board of Appeal and Equalization (CBAE) in June.
Homestead Applications are accepted any time up to December 31st for taxes payable the following year. Quintile and new construction inspections are generally made between early summer and late winter for the new assessment year.
County Assessor Office Information
Director of Land Records/County Assessor Ryan DeCook
County Assessor Office Phone Number (507) 635-6245 or (888) 600-5169
County Assessor Fax Number (507) 635-6265
County Assessor Address 721 Main Street North
Mantorville, MN 55955
County Assessor Email firstname.lastname@example.org