How to Make a DIY Will in California: Formats, Signing, and Limits

You can make your own valid will in California if you are at least 18, of sound mind, and you follow the format and signing rules in the Probate Code. The state recognizes three do-it-yourself formats, and the choice among them, along with how you handle community property and witnesses, is what separates a will that works from one a court sets aside. Here is how to make a DIY will in California, step by step, and the traps to avoid along the way.

Who Can Make a Will

You must be at least 18 years old and of sound mind.1California Legislative Information. California Probate Code 6100 – General Provisions Sound mind means you understand what a will does, you know roughly what you own, and you can identify the people who would normally inherit from you, such as a spouse, children, or parents.2California Legislative Information. California Code PROB – General Provisions A temporary lapse doesn’t automatically disqualify you. What matters is your state of mind at the moment you sign.

Pick One of Three Formats

California recognizes three will formats you can create without a lawyer, and each has different rules for validity.

Formal Typed or Printed Will

A formal will is any written will, typed or printed or even handwritten, that meets the signing rules of Probate Code 6110. You sign it yourself, or if you physically cannot, you direct someone else to sign your name in your presence.3California Legislative Information. California Code Probate Code 6110 – Execution of Wills Two witnesses must be present at the same time and watch you either sign the will or acknowledge that the signature is yours. Both witnesses must understand that the document is your will, and then both must sign it.

Handwritten (Holographic) Will

A holographic will skips witnesses entirely. The trade-off: your signature and every material provision, meaning the parts that say who gets what, must be in your own handwriting.4California Legislative Information. California Code Probate Code 6111 – Holographic Will You may fill in a printed form by hand, but the substantive terms have to come from your pen, not a printer.

Dating a holographic will isn’t strictly required, but leaving it undated is a real risk. If the undated will conflicts with another will, the holographic version loses on any inconsistent provision unless someone can prove it came later. And if your capacity was ever in question, an undated holographic will is presumed invalid unless someone proves you signed it during a lucid period.4California Legislative Information. California Code Probate Code 6111 – Holographic Will Date it.

California Statutory Will

The statutory will is a fill-in-the-blank form printed directly into Probate Code 6240. You complete blanks to name beneficiaries, choose an executor, and pick guardians for minor children.5California Legislative Information. California Probate Code 6240 The critical rule: you cannot add words, cross out words, or change any preprinted language. Modifications can invalidate the will or be ignored by a court. It still requires your signature and two witnesses, just like a formal will.

The statutory form suits straightforward situations. It cannot create trusts, it cannot make complex conditional gifts, and the distribution choices are limited to what the form allows. If your estate involves a business, a blended family, or assets you want handled in a specific way, the form probably isn’t flexible enough.

Understand Community Property Before You Draft

This is where most DIY wills in California go wrong. California is a community property state, which generally means money earned and property acquired during a marriage belongs to both spouses equally. In a will, you can give away only your half of the community property. Your spouse’s half is not yours to distribute.6California Legislative Information. California Code PROB Division 2 Part 1 – Community Property

The statutory will spells this out in plain terms: “Your Will can only give away your one-half of community property. Your Will cannot give away your spouse’s one-half of community property.”5California Legislative Information. California Probate Code 6240 Separate property, meaning anything you owned before marriage or received during it as a gift or inheritance, is yours alone. But separating community from separate property gets complicated fast, especially with accounts where funds have been mixed for years. If you’re married, sorting this out isn’t optional.

What Your Will Needs to Cover

Before drafting, take an inventory. List real estate, bank accounts, investment accounts, vehicles, valuable personal property, and digital accounts. For each item, note whether it’s community or separate property, and whether it already has a beneficiary designation or a joint owner.

Your will should include:

  • Beneficiaries identified by full legal name and relationship, such as “my daughter, Jane Smith.” Vague terms like “my friends” invite disputes.
  • An executor to manage the estate through probate, pay debts, and distribute assets, plus an alternate in case the first cannot serve.
  • A guardian and alternate guardian for any children under 18, with full names and addresses.
  • Specific gifts of any particular items or dollar amounts you want to go to named people or charities.
  • A residuary clause that catches everything not specifically mentioned. Without one, leftover assets pass under California’s intestacy rules as though you had no will at all.

California has adopted the Revised Uniform Fiduciary Access to Digital Assets Act in Probate Code sections 870 through 884. If you want your executor to reach email accounts, social media, cryptocurrency wallets, or cloud storage, authorize that access in the will. Without explicit authorization, most service providers will refuse.

Signing and Witnessing

For a formal or statutory will, the signing ceremony matters. You sign, or direct someone to sign for you, while two witnesses are present at the same time. The witnesses either watch you sign or hear you acknowledge that the signature is yours, and they must understand the document is your will. Then each witness signs.3California Legislative Information. California Code Probate Code 6110 – Execution of Wills

Anyone generally competent to testify may act as a witness. But picking a witness who is also a beneficiary creates a problem. The will stays valid, but unless you have at least two other disinterested witnesses, the law presumes that beneficiary-witness received their gift through undue influence. They then have to prove otherwise in court, and if they can’t, they take only what they would have received had you died without a will.7California Legislative Information. California Probate Code 6112 The simple fix is to pick two witnesses who inherit nothing under the will.

One thing California does not offer is a self-proving affidavit. Most states let witnesses sign a notarized affidavit so they don’t have to testify later. California has no such statute. After your death, the court may require your witnesses to confirm the will’s execution through testimony or a declaration, which can delay probate if they’re hard to find. A clear attestation clause above the witness signatures, stating what they observed, can help.

Assets a Will Does Not Control

A will does not govern every asset you own, and this catches many people off guard. The statutory will itself warns: “Life insurance and retirement plan benefits may pass directly to the named beneficiary. A Will does not necessarily control how these types of ‘nonprobate’ assets pass at your death.”5California Legislative Information. California Probate Code 6240

Common assets that bypass a will:

  • Property held in joint tenancy, whether real estate or bank accounts, passes automatically to the surviving owner.
  • Payable-on-death bank accounts transfer directly to the named beneficiary. If your will and the POD designation conflict, the designation wins.
  • Retirement accounts and life insurance follow the beneficiary designation on file with the plan or insurer, not the will.
  • Anything you moved into a revocable living trust during your lifetime is governed by the trust document.

If your will leaves the house to your daughter but the deed lists your son as a joint tenant, your son takes the house. Review every beneficiary designation and title before you sign a DIY will, and make them match your intent. Where they conflict, the non-probate transfer wins.

Marriage, Birth, or Adoption After You Sign

California has built-in protections for spouses and children added to a family after a will is signed, and they apply whether the omission was deliberate or accidental.

If you marry after making your will and never update it, the omitted spouse is entitled to your half of any community property, plus a share of your separate property equal to what they would have received under intestacy rules, up to half of that separate property.8California Legislative Information. California Code Probate Code 21610 – Omitted Spouse A post-marriage will that leaves everything to someone else can be substantially rewritten by a court.

A similar rule applies to children. A child born or adopted after you sign, and not provided for in an updated will or other estate plan, receives what they would have gotten if you had died without any will at all.9California Legislative Information. California Code Probate Code 21620 – Omitted Children Any time you marry, have a child, or adopt, review the will. A document that was complete when you signed it can become incomplete the moment your family changes.

Changing or Revoking a Will

California gives you two ways to revoke a will. Write a new one that either expressly revokes the old will or contains inconsistent terms, or physically destroy the original by burning, tearing, or obliterating it with the intent to revoke.10California Legislative Information. California Probate Code 6120 You can also direct someone to destroy it in your presence.

A codicil is a formal amendment and must follow the same signing and witnessing rules as the original will. For small tweaks like changing an executor or a single gift, a codicil is fine. For anything more substantial, a new will with a clear revocation clause (“I revoke all prior wills and codicils”) is safer.

Do not cross out parts of a signed will and write in changes. On a statutory will, any alteration to the preprinted language can invalidate the document. On a formal will, handwritten changes raise questions about when they were made and open the door to challenges.

Storing the Will and What Happens After Death

Keep the original signed will somewhere safe and accessible: a fireproof home safe, a safe deposit box, or with someone you trust. Wherever it lives, make sure your executor knows where to find it. A will nobody can locate does nothing.

California places a legal duty on whoever is holding the will when the testator dies. Within 30 days of learning of the death, the custodian must deliver the original to the clerk of the superior court in the county where the estate will be administered, and send a copy to the person named as executor. If the executor cannot be located, the copy goes to a named beneficiary instead. No fee is charged for delivery. A custodian who fails to deliver the will can be held liable for damages caused by the delay.11Justia. California Probate Code 8200 – Production of Will

When a DIY Will Is Not Enough

A DIY will works well for a relatively simple estate: a home, some savings, a handful of named beneficiaries, and no major family complications. It starts to strain with blended families, business ownership, rental properties, assets in more than one state, or any wish to place conditions on when beneficiaries receive their share. A will also cannot avoid probate on its own, and California probate is slow and expensive for larger estates. In those situations, a revocable living trust or a professionally prepared estate plan does work a will simply cannot.