Sully County Property Search (South Dakota)

The Sully County Assessor is responsible for determining the value of property in order to determine Sully County property taxes. The Sully County Assessment Office collect data from on-site inspections, value assessments for construction or improvements, comparable sales, and calculations of depreciation. The Sully County Tax Assessor maintains current data on every parcel in the Sully County, which includes ownership information, maps of property lines, inventories of parcels and structures, and the value of all the property in the Sully County, SD. The Sully County Assessor’s Office can answer questions regarding Sully County property tax appeals and assessments, Sully County property tax rates and payment due dates.

Sully County Equalization Department Onida SD PO Box 265 57564 605-258-2522


Sully County Auditors are responsible for maintaining accurate financial records on properties, including the appraisal and assessment of a property's value, which is used to determine Sully County property taxes. The Sully County Auditor’s Office collects data from on-site inspections, information submitted by owners, prior sales, and statistical analyses. The Auditor maintains current data on Sully County property value, owner information, inventories of parcels and structures, and parcel maps. The Office also provides property search databases for Sully County, SD.

Onida Auditor Onida SD 117 South Main Street 57564 605-258-2441

Sully County Auditor Onida SD 700 Ash Avenue 57564 605-258-2541

The Sully County Clerk files important documents and preserves municipal records in order to maintain an archive of Sully County property records that can be accessed by the public. The Clerk's Office is a valuable source of information on property in Sully County, South Dakota. The Sully County Clerk's Office contains documentation on real estate excise taxes, registered land, and property transactions, as well as land documents including Sully County deeds, mortgages, and liens on properties.

Sully County Clerk Onida SD PO Box 188 57564 605-258-2535


The Sully County Recorders of Deeds maintain public records, particularly documents related to property and land records, and make them available for public access in Sully County, SD. The Office of Recorder of Deeds in Sully County is a valuable source of information on property records The Recorder of Deeds maintains documents on land transactions within its jurisdictions, including Sully County deeds and titles, mortgages, property ownership records, surveys, and easements, as well as tax liens.

Sully County Recorder of Deeds Onida SD PO Box 265 57564 605-258-2331


The Sully County Treasurer and Tax Collector’s Office is responsible for the collection of Sully County property tax revenue. The Treasurer and Tax Collector maintains current Sully County property tax information including Sully County property ownership information, GIS Maps, tax maps, historical property tax rates, lists of sold parcels, and is also charged with the sale of properties due to a default on taxes in Sully County, South Dakota.

Sully County Treasurer's Office Onida SD PO Box 265 57564 605-258-2444