Union County, SD

Union County, SD assessor property search and records

Use this county guide to find official assessor property search resources, recorder and deed links, tax records, GIS parcel maps, permits, and property data insights for Union County, South Dakota. Search an address or APN, then jump to official county sources or property tax and value data.

Official sources

Union County assessor, recorder, tax, and parcel map sources

Use this table to find the official county source for assessor property search, recorded documents, property tax, GIS parcel maps, permits, and zoning records.

Union County official assessor, tax, deed, GIS, permit, and land-use sources
Record typeOfficial sourceNotes
Assessed valuesUnion County Property Search (Beacon)beacon.schneidercorp.com/Application.aspx
  • Provided via Schneider Geospatial/Beacon portal.
  • Some information is restricted and requires a subscription.
Deeds and recorded documentsUnion County Register of Deedsunioncountysd.gov/register-of-deeds/
  • Records are not available online.
  • Contact the office directly for document requests.
  • E-recordings are accepted through Simplifile and CSC.
Property taxesUnion County Property Tax Portalunioncountysdtax.us
  • Official portal for viewing property tax and assessment information.
  • Data may be slightly dated; verify with the Treasurer's office for official tax balances.
GIS and parcel mapsUnion County Parcel Viewerexperience.arcgis.com/experience/8ce9289b0dbf4fa8a41a16794d8f0032
  • Official ArcGIS parcel viewer for Union County.
Permits and building recordsUnion County Planning & Zoning - Building Permitsunioncountysd.gov/planning-zoning/building-permit-application-2/
  • Permit applications are available as downloadable PDFs.
  • Permits must be submitted to the Planning & Zoning department.
Zoning and land useUnion County Planning & Zoningunioncountysd.gov/planning-zoning/
  • Provides access to county ordinances and subdivision regulations.
County data

Union County tax rates and property values

County and city-level rollups from AssessorSearch indexed property data. Use these values as directional context, then verify parcel-specific details with the official county sources above.

Median estimated value$361,044

Median estimated market value for properties in this county.

AssessorSearch county data
Median assessed value$286,199

Median assessed value from county assessment records when available.

AssessorSearch county data
Median annual property tax$4,211

Median annual property tax amount from indexed tax records when available.

AssessorSearch county data
Median effective property tax rate1.16%

Median effective property tax rate calculated from annual tax and value fields.

AssessorSearch county data

City property data

Top city rollups for estimated value, assessed value, property tax rate, and tax amount.

Union County city-level property value and tax-rate rollups
CityMedian estimated valueMedian assessed valueMedian effective property tax rateMedian tax amount
North Sioux City$469,963$367,9361.18%$5,688
Elk Point$289,723$231,6921.25%$3,475
Beresford$283,841$221,2521.07%$2,941
Jefferson$384,722$272,0650.99%$3,518
Alcester$214,164$174,4751.36%$2,532
Burbank$220,902$237,5261.70%$2,919
Mccook Lake$391,542$325,3501.23%$4,854
FAQ

Union County property records FAQ

Common questions about assessor, deed, tax, GIS, and permit records.

Where can I verify assessed value in Union County?

Use the official Union County Property Search (Beacon) for assessed values, parcel details, exemptions, and property characteristics when those records are available online.

Where can I look up Union County property tax bills or payments?

Use the official Union County Property Tax Portal for property tax bills, payment history, due dates, or tax collector records.

Where can I find deeds or recorded documents in Union County?

Use the official Union County Register of Deeds for deeds, mortgages, liens, plats, and other recorded documents. These records are usually separate from assessor property-value records.

Where can I view parcel maps or GIS data in Union County?

Use the official Union County Parcel Viewer for parcel maps, map layers, boundaries, and GIS context. GIS maps should be treated as reference tools, not legal surveys.

Can I build a list of Union County property owners?

Use Affix by AssessorSearch for county property owner lists, filters, exports, skip tracing, and outreach workflows.

Related counties

More South Dakota property records

Use related county pages when researching nearby property records or comparing official source patterns.