Iowa
Unclaimed property is administered by the Iowa State Treasurerthrough the Great Iowa Treasure Hunt 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
15% cap for agreements made after the 24-month bar (Iowa Code §556.11(10)).
Waiting Period
Agreements made within 24 months after payment or delivery to the Treasurer are unenforceable (Iowa Code §556.11(10)).
Governing Statute
Iowa Code Ch. 556; finder agreements §556.11(10) (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 Iowa
Iowa is a tax-lien state; county treasurers run tax sales. Sheriff's sale and court-held surplus runs through the Clerk of District Court.
County Directory — Iowa
99 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 |
|---|---|
| Adair County | not yet verified |
| Adams County | not yet verified |
| Allamakee County | not yet verified |
| Appanoose County | not yet verified |
| Audubon County | not yet verified |
| Benton County | not yet verified |
| Black Hawk Countyverified 2026-07-20Black Hawk County — Board of Supervisors and County Treasurer (Waterloo); official county site; property taxes via Treasurer. | not yet verified |
| Boone Countyverified 2026-07-21Boone County — Board of Supervisors and County Treasurer (Boone); official county site; property taxes via Treasurer. | not yet verified |
| Bremer County | not yet verified |
| Buchanan County | not yet verified |
| Buena Vista County | not yet verified |
| Butler County | not yet verified |
| Calhoun County | not yet verified |
| Carroll County | not yet verified |
| Cass County | not yet verified |
| Cedar County | not yet verified |
| Cerro Gordo Countyverified 2026-07-21Cerro Gordo County — Board of Supervisors and County Treasurer (Mason City); official county site; property taxes via Treasurer. | not yet verified |
| Cherokee County | not yet verified |
| Chickasaw County | not yet verified |
| Clarke County | not yet verified |
| Clay County | not yet verified |
| Clayton County | not yet verified |
| Clinton Countyverified 2026-07-21Clinton County — Board of Supervisors and County Treasurer (Clinton); official county site; property taxes via Treasurer. | not yet verified |
| Crawford County | not yet verified |
| Dallas Countyverified 2026-07-20Dallas County — Board of Supervisors and County Treasurer (Adel); official county site; property taxes via Treasurer. | not yet verified |
| Davis County | not yet verified |
| Decatur County | not yet verified |
| Delaware County | not yet verified |
| Des Moines Countyverified 2026-07-21Des Moines County — Board of Supervisors and County Treasurer (Burlington); official county site; property taxes via Treasurer. | not yet verified |
| Dickinson County | not yet verified |
| Dubuque Countyverified 2026-07-20Dubuque County — Board of Supervisors and County Treasurer (Dubuque); official county site; property taxes via Treasurer. | not yet verified |
| Emmet County | not yet verified |
| Fayette County | not yet verified |
| Floyd County | not yet verified |
| Franklin County | not yet verified |
| Fremont County | not yet verified |
| Greene County | not yet verified |
| Grundy County | not yet verified |
| Guthrie County | not yet verified |
| Hamilton County | not yet verified |
| Hancock County | not yet verified |
| Hardin County | not yet verified |
| Harrison County | not yet verified |
| Henry County | not yet verified |
| Howard County | not yet verified |
| Humboldt County | not yet verified |
| Ida County | not yet verified |
| Iowa County | not yet verified |
| Jackson County | not yet verified |
| Jasper Countyverified 2026-07-21Jasper County — Board of Supervisors and County Treasurer (Newton); official county site; property taxes via Treasurer. | not yet verified |
| Jefferson County | not yet verified |
| Johnson Countyverified 2026-07-20Johnson County — Board of Supervisors and County Treasurer (Iowa City); official county site; property taxes via Treasurer. | not yet verified |
| Jones County | not yet verified |
| Keokuk County | not yet verified |
| Kossuth County | not yet verified |
| Lee County | not yet verified |
| Linn Countyverified 2026-07-20Linn County — Board of Supervisors and County Treasurer (Cedar Rapids); official county site; property taxes via Treasurer. | not yet verified |
| Louisa County | not yet verified |
| Lucas County | not yet verified |
| Lyon County | not yet verified |
| Madison County | not yet verified |
| Mahaska County | not yet verified |
| Marion County | not yet verified |
| Marshall Countyverified 2026-07-21Marshall County — Board of Supervisors and County Treasurer (Marshalltown); official county site; property taxes via Treasurer. | not yet verified |
| Mills County | not yet verified |
| Mitchell County | not yet verified |
| Monona County | not yet verified |
| Monroe County | not yet verified |
| Montgomery County | not yet verified |
| Muscatine Countyverified 2026-07-21Muscatine County — Board of Supervisors and County Treasurer (Muscatine); official county site; property taxes via Treasurer. | not yet verified |
| O'Brien County | not yet verified |
| Osceola County | not yet verified |
| Page County | not yet verified |
| Palo Alto County | not yet verified |
| Plymouth County | not yet verified |
| Pocahontas County | not yet verified |
| Polk Countyverified 2026-07-20Polk County — Board of Supervisors and County Treasurer (Des Moines); official county site; property taxes via Treasurer; tax sale buyer info at /treasurer/information-for-tax-sale-buyers/ (not surplus/excess). | not yet verified |
| Pottawattamie Countyverified 2026-07-20Pottawattamie County — Board of Supervisors and County Treasurer (Council Bluffs); official county site; property taxes via Treasurer. | not yet verified |
| Poweshiek County | not yet verified |
| Ringgold County | not yet verified |
| Sac County | not yet verified |
| Scott Countyverified 2026-07-20Scott County — Board of Supervisors and County Treasurer (Davenport); official county site; property taxes via Treasurer. | not yet verified |
| Shelby County | not yet verified |
| Sioux County | not yet verified |
| Story Countyverified 2026-07-20Story County — Board of Supervisors and County Treasurer (Nevada); official county site; property taxes via Treasurer. | not yet verified |
| Tama County | not yet verified |
| Taylor County | not yet verified |
| Union County | not yet verified |
| Van Buren County | not yet verified |
| Wapello Countyverified 2026-07-21Wapello County — Board of Supervisors and County Treasurer (Ottumwa); official county site; property taxes via Treasurer. | not yet verified |
| Warren Countyverified 2026-07-21Warren County — Board of Supervisors and County Treasurer (Indianola); official county site; property taxes via Treasurer. | not yet verified |
| Washington County | not yet verified |
| Wayne County | not yet verified |
| Webster Countyverified 2026-07-21Webster County — Board of Supervisors and County Treasurer (Fort Dodge); official county site; property taxes via Treasurer. | not yet verified |
| Winnebago County | not yet verified |
| Winneshiek County | not yet verified |
| Woodbury Countyverified 2026-07-20Woodbury County — Board of Supervisors and County Treasurer (Sioux City); official county site; property taxes via Treasurer. | not yet verified |
| Worth County | not yet verified |
| Wright County | not yet verified |