Oklahoma law
Estate Planning Laws in Oklahoma.
Oklahoma estate administration runs through the District Court. Oklahoma has NOT adopted the Uniform Probate Code. Oklahoma recognizes holographic wills (wholly in testator's handwriting, signed, and dated). Oklahoma provides simplified administration for small estates and a Summary Administration procedure. Oklahoma has adopted the Oklahoma Uniform Trust Code (Title 60, Chapter 16). Oklahoma is not a community-property state. Oklahoma has no state estate tax and no state inheritance tax.
Last verified: 2026-04-17
State law
Key Oklahoma Statutes
A will must be in writing, signed by the testator (or another in testator's presence at testator's direction), and attested by two or more competent witnesses.
A holographic will is valid if entirely written, dated, and signed in the testator's handwriting. Witnesses are NOT required.
Available for estates under $200,000. Simplified process that concludes administration within approximately 60 days of filing.
Personal property of a decedent with aggregate value not exceeding $50,000 may be transferred by affidavit 10 days after death.
Oklahoma has adopted modernized trust code provisions governing trust creation, modification, termination, and administration.
Surviving spouse may elect against the will. Under Oklahoma's distinctive rule, the spouse takes one-half of the property acquired through joint industry during marriage (quasi-community property concept).
Oklahoma permits real-property transfer on death via a recorded Transfer on Death Deed. Property passes automatically at death outside of probate.
Oklahoma has no estate tax and no inheritance tax.
Statutory form authorizing living will and health care proxy designation.
State law
Official Sources
Not Legal Advice
This page summarizes publicly available statutes and rules for informational purposes only. It does not constitute legal advice, and no attorney-client relationship is created by viewing this content. Laws change — always verify with the primary source or consult a licensed attorney in Oklahoma.
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