Quick answer
Kansas unclaimed property is held by the State Treasurer, who acts as custodian indefinitely; it is never forfeited to the state. The Treasurer's homepage links to the official state search site.
Source: Kansas State Treasurer — Unclaimed Property (missingmoney.ks.gov)
Kansas defines mineral proceeds (royalties, overriding royalties, bonuses, delay rentals and similar) but gives them no separate dormancy period. They fall under the general 'all other property' rule of five years.
Dormancy period: 5 years
Statute: K.S.A. 58-3935(a)(16) ('all other property'); 'mineral proceeds' defined in K.S.A. 58-3934
Mineral-specific rule: No (general period)
Source: K.S.A. 58-3935(a)(16) ('all other property'); 'mineral proceeds' defined in K.S.A. 58-3934
Kansas holder reports are due before November 1 and cover the twelve months before July 1; life insurers file before May 1.
Report due: Before November 1 (life insurers: before May 1)
Covers property held as of: Covers the twelve months preceding July 1
Source: Official source
Kansas claimants search and file online and must document ownership, usually by proving they lived at the reported address or did business with the reporting company at the time. Documents are uploaded through a secure portal or mailed, never faxed or emailed.
How to file: Search by name on the Treasurer's site and file online; upload documents through the secure portal or mail them (no fax or email). Documents needing a notary or an original death certificate must be mailed.
Proof required: Documentation verifying ownership: proof of residence at the reported address or of business dealings with the reporting company in the relevant period (e.g., utility bills, bank statements, tax records, an old driver's license); proof of any name change.
Source: Official claim instructions
Heirs must document their legal right or relationship to the deceased owner, for example with an obituary listing surviving heirs or letters testamentary or of administration. Without a valid will or trust, the Treasurer applies Kansas intestate succession and pays each heir directly.
Documents: Documentation of legal right or relationship to the deceased, such as an obituary listing surviving heirs or court documents (Letters Testamentary or Letters of Administration) naming the personal representative; without a valid will or trust, Kansas intestate succession decides who may claim; an Affidavit of Heirship may need notarization.
Whether an estate must be opened is a legal question for a qualified attorney in that state.
Source: Official source
The Treasurer never charges to search or claim. Agreements to pay a finder are unenforceable if made within 24 months after the property reaches the state, and later ones are unenforceable if the fee exceeds 15% of the property's value.
State claim fee: None
Finder-fee limit: 15% of the value of the recoverable property for agreements made more than 24 months after the property is delivered to the state; agreements made within those 24 months are unenforceable
Finder-fee statute: K.S.A. 58-3968
Source: Official source
The Treasurer's property-type code list has a 'Mineral Proceeds & Interest' group (MI01 Net Revenue Interest, MI02 Royalties, MI03 Overriding Royalties, MI04 Production Payment, MI05 Working Interest, MI06 Bonuses, MI07 Delay Rentals, MI08 Shut-In Royalties, MI09 Minimum Royalties, MI99 Aggregate Mineral Interests). Kansas law also created an unclaimed mineral proceeds trust fund to pay other states' claims for mineral proceeds.
Sources: Official source · K.S.A. 58-3977 (unclaimed mineral proceeds trust fund)
Kansas unclaimed property is held by the State Treasurer, who acts as custodian indefinitely; it is never forfeited to the state. The Treasurer's homepage links to the official state search site. Search under every name the royalties may have been paid to, including maiden names and deceased relatives.
Kansas defines mineral proceeds (royalties, overriding royalties, bonuses, delay rentals and similar) but gives them no separate dormancy period. They fall under the general 'all other property' rule of five years.
Kansas claimants search and file online and must document ownership, usually by proving they lived at the reported address or did business with the reporting company at the time. Documents are uploaded through a secure portal or mailed, never faxed or emailed.
Heirs must document their legal right or relationship to the deceased owner, for example with an obituary listing surviving heirs or letters testamentary or of administration. Without a valid will or trust, the Treasurer applies Kansas intestate succession and pays each heir directly. This is general information, not legal advice.
The Treasurer never charges to search or claim. Agreements to pay a finder are unenforceable if made within 24 months after the property reaches the state, and later ones are unenforceable if the fee exceeds 15% of the property's value.
Educational information only, not legal or tax advice; consult a qualified attorney about your situation. Facts are from the state's unclaimed-property office and the state code, checked Nov 2, 2026. Related: unclaimed royalties in every state · suspended royalties · find your payor
