Quick answer
California's unclaimed property is held by the State Controller's Office. There is no deadline and no fee to claim once property reaches the Controller, and owners search and claim on the Controller's claim site.
Source: California State Controller's Office — Unclaimed Property Division (claimit.ca.gov)
California has no separate statutory period for mineral proceeds; intangible property held in the ordinary course of business escheats after more than three years unclaimed. The Controller's dormancy table lists every mineral code (net revenue interest, royalties, overriding royalties, production payments, working interest, bonuses, delay rentals, shut-in and minimum royalties) at three years.
Dormancy period: 3 years
Statute: Cal. Code Civ. Proc. § 1520(a) (general rule)
Mineral-specific rule: No (general period)
Sources: Cal. Code Civ. Proc. § 1520(a) (general rule) · Controller's property codes and dormancy periods
California uses two reports: holders file a Notice Report before November 1, as of June 30 or their fiscal year-end, then remit unclaimed property later with a Remit Report after the Controller has notified owners. Life insurers file before May 1 as of December 31.
Report due: Notice Report before November 1 (life insurers before May 1); property is remitted later with a separate Remit Report
Covers property held as of: June 30 or fiscal year-end preceding (life insurers: December 31)
Source: Official source
California claims start on the Controller's claim site, and eligible claims can be filed electronically. The documents that go with the signed Claim Affirmation Form depend on whether the claimant is the owner, an heir, or a business or government agency.
How to file: Search and file on the Controller's claim site. Eligible claims are offered electronic filing after the claim details are entered; if a paper claim is required, the site gives instructions for it.
Proof required: Depends on who is claiming (owner, heir, business or government agency); the Controller's filing instructions list the documents to send with the signed Claim Affirmation Form.
Source: Official claim instructions
An heir, trustee or personal representative can claim a deceased owner's property. Heirs must provide certified copies of documents such as a will or trust showing they are entitled, and fill out additional Controller forms if there is no will or trust.
Documents: Heirs, trustees or personal representatives/executors/administrators may claim; heirs provide certified copies of official documents such as a will or trust showing entitlement; if there is no will or trust, additional forms are required. The Controller verifies mainly by Social Security number and asks for the extra documents in the filing instructions when the holder did not report one.
Whether an estate must be opened is a legal question for a qualified attorney in that state.
Source: Official source
Claiming from the Controller is free. The Controller says investigators (finders) may not charge more than 10% of the property returned and may not sign owners up until the property has been transferred to the state; the cap does not apply to County Probated Estates.
State claim fee: None
Finder-fee limit: 10% of the value of the property returned; investigators may contract only after the property is transferred to the Controller; no fee restriction for County Probated Estates
Finder-fee statute: Cal. Code Civ. Proc. § 1582 (as cited by the Controller; statute text not fetched)
Source: Official source
The Controller lists 'mineral interests and royalty payments' among the most common kinds of unclaimed property, and its property-code table carries mineral codes MI01 through MI09 and MI99 (aggregate mineral proceeds), each with a three-year dormancy period.
Sources: Official source · Controller's property codes and dormancy periods
California's unclaimed property is held by the State Controller's Office. There is no deadline and no fee to claim once property reaches the Controller, and owners search and claim on the Controller's claim site. Search under every name the royalties may have been paid to, including maiden names and deceased relatives.
California has no separate statutory period for mineral proceeds; intangible property held in the ordinary course of business escheats after more than three years unclaimed. The Controller's dormancy table lists every mineral code (net revenue interest, royalties, overriding royalties, production payments, working interest, bonuses, delay rentals, shut-in and minimum royalties) at three years.
California claims start on the Controller's claim site, and eligible claims can be filed electronically. The documents that go with the signed Claim Affirmation Form depend on whether the claimant is the owner, an heir, or a business or government agency.
An heir, trustee or personal representative can claim a deceased owner's property. Heirs must provide certified copies of documents such as a will or trust showing they are entitled, and fill out additional Controller forms if there is no will or trust. This is general information, not legal advice.
Claiming from the Controller is free. The Controller says investigators (finders) may not charge more than 10% of the property returned and may not sign owners up until the property has been transferred to the state; the cap does not apply to County Probated Estates.
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
