South Dakota
Unclaimed property is administered by the South Dakota State Treasurerthrough the South Dakota Unclaimed Property program.
Official search & downloadable data
Search tool
Downloadable file
No official public CSV, Excel, or ZIP owner-data file has been located yet for this state.
Finder & Recovery Rules
Licensing / Registration
No finder license or registration required.
Fee Cap
25% cap for post-bar agreements unless in writing and signed by the owner (SDCL ch. 43-41B).
Waiting Period
Agreements made within 12 months before reporting or 24 months after payment or delivery are unenforceable (SDCL ch. 43-41B).
Governing Statute
SDCL ch. 43-41B; finder agreement provisions (verified June 2026).
Summaries marked “verify” have not been independently confirmed against the current statute text. Nothing here is legal advice — confirm rules with the state administrator or counsel before contacting claimants.
Where county money sits in South Dakota
County treasurers handle tax deeds; surplus practice is evolving post-Tyler.
County Directory — South Dakota
66 counties · 20 with verified sources so far. Rows without a verified link show where the records are typically held —know the direct URL? Submit it and we'll credit you.
| County | Source links |
|---|---|
| Aurora County | not yet verified |
| Beadle Countyverified 2026-07-21Beadle County — County Commission and Treasurer (Huron); official county site verified HTTP 200; property taxes via Treasurer (pay portal linked from county site). | not yet verified |
| Bennett County | not yet verified |
| Bon Homme County | not yet verified |
| Brookings Countyverified 2026-07-20Brookings County — County Commission and Treasurer (Brookings); official county site; property taxes via Treasurer. | not yet verified |
| Brown Countyverified 2026-07-20Brown County — County Commission and Treasurer (Aberdeen); official county site; property taxes via Treasurer. | not yet verified |
| Brule County | not yet verified |
| Buffalo County | not yet verified |
| Butte Countyverified 2026-07-21Butte County — Treasurer's Office (Belle Fourche) collects property taxes; official county site and Treasurer page verified HTTP 200. | |
| Campbell County | not yet verified |
| Charles Mix Countyverified 2026-07-21Charles Mix County — Treasurer (Lake Andes) collects property taxes; official county site and Treasurer page verified HTTP 200. | |
| Clark County | not yet verified |
| Clay Countyverified 2026-07-21Clay County — Treasurer (Vermillion) collects property taxes; official county site and Treasurer's Office page verified HTTP 200. | |
| Codington Countyverified 2026-07-20Codington County — County Commission and Treasurer (Watertown); official county site; property taxes via Treasurer. | not yet verified |
| Corson County | not yet verified |
| Custer Countyverified 2026-07-21Custer County — Treasurer's Office; official county site and Treasurer page verified HTTP 200. | |
| Davison Countyverified 2026-07-20Davison County — County Commission and Treasurer (Mitchell); official county site; property taxes via Treasurer. | not yet verified |
| Day County | not yet verified |
| Deuel County | not yet verified |
| Dewey County | not yet verified |
| Douglas County | not yet verified |
| Edmunds County | not yet verified |
| Fall River Countyverified 2026-07-21Fall River County — Treasurer (Hot Springs) collects property taxes; official county site and Treasurer page verified HTTP 200. | |
| Faulk County | not yet verified |
| Grant County | not yet verified |
| Gregory County | not yet verified |
| Haakon County | not yet verified |
| Hamlin County | not yet verified |
| Hand County | not yet verified |
| Hanson County | not yet verified |
| Harding County | not yet verified |
| Hughes Countyverified 2026-07-21Hughes County — Treasurer (Pierre) collects property taxes; official county site and Treasurer page verified HTTP 200. | |
| Hutchinson County | not yet verified |
| Hyde County | not yet verified |
| Jackson County | not yet verified |
| Jerauld County | not yet verified |
| Jones County | not yet verified |
| Kingsbury County | not yet verified |
| Lake Countyverified 2026-07-21Lake County — Treasurer (Madison); official county site (HTTP; HTTPS TLS failed) and Treasurer page verified HTTP 200. | |
| Lawrence Countyverified 2026-07-20Lawrence County — County Commission and Treasurer (Deadwood); official county site; property taxes via Treasurer. | not yet verified |
| Lincoln Countyverified 2026-07-20Lincoln County — County Commission and Treasurer (Canton); official county site; property taxes via Treasurer. | not yet verified |
| Lyman County | not yet verified |
| Marshall County | not yet verified |
| McCook County | not yet verified |
| McPherson County | not yet verified |
| Meade Countyverified 2026-07-20Meade County — County Commission and Treasurer (Sturgis); official county site; property taxes via Treasurer. | not yet verified |
| Mellette County | not yet verified |
| Miner County | not yet verified |
| Minnehaha Countyverified 2026-07-20Minnehaha County — County Commission and Treasurer (Sioux Falls); official county site; property taxes via Treasurer. | not yet verified |
| Moody County | not yet verified |
| Oglala Lakota County | not yet verified |
| Pennington Countyverified 2026-07-20Pennington County — County Commission and Treasurer (Rapid City); official county site; property taxes via Treasurer. | not yet verified |
| Perkins County | not yet verified |
| Potter County | not yet verified |
| Roberts Countyverified 2026-07-21Roberts County — Treasurer (Sisseton) collects property taxes; official county site and Treasurer page verified HTTP 200. | |
| Sanborn County | not yet verified |
| Spink County | not yet verified |
| Stanley County | not yet verified |
| Sully County | not yet verified |
| Todd County | not yet verified |
| Tripp County | not yet verified |
| Turner County | not yet verified |
| Union Countyverified 2026-07-21Union County — Treasurer (Elk Point) collects property taxes; official county site and Treasurer page verified HTTP 200. | |
| Walworth County | not yet verified |
| Yankton Countyverified 2026-07-20Yankton County — County Commission and Treasurer (Yankton); official county site (HTTP; HTTPS did not connect); property taxes via Treasurer. | not yet verified |
| Ziebach County | not yet verified |