Only about 26% of American adults currently have a will. Ask most of the other 74% why they’ve put it off, and “I need to talk to a lawyer first” comes up constantly — right alongside the quiet fear that skipping that step means the document won’t actually hold up when it matters. Neither assumption is true, and understanding what the law genuinely requires can be the difference between finally getting this handled and letting it sit untouched for another year.

Yes, Writing Your Own Will Is Fully Legal
Every state in the country allows individuals to write their own will without hiring an attorney, as long as the document meets that state’s specific requirements for signing and witnessing. A self-drafted will carries exactly the same legal authority as one an attorney charges hundreds of dollars to prepare. There’s no requirement anywhere that a lawyer be involved for a will to be recognized in probate court.
What Makes a Will Legally Valid
State laws differ in small ways, but most trace back to a similar general framework.
The Core Requirements
Nearly every state requires all of the following:
- The person writing the will (the testator) must be a legal adult, generally 18 or older
- They must have testamentary capacity — a clear understanding of what they own and who would normally inherit it
- The document must explicitly identify itself as a will
- It must be signed voluntarily by the testator
The Witnessing Rule Most People Get Wrong
Beyond signing, most states require the will to be witnessed, typically by two people who are not named as beneficiaries. This is where DIY wills most commonly run into trouble. Using a beneficiary as a witness doesn’t always void the entire document, but it can jeopardize that specific person’s inheritance, or open the door to a challenge from another family member later. Choosing witnesses with nothing to gain from the will avoids this problem entirely.
Why a Self-Proving Affidavit Helps
Many states let you strengthen a witnessed will with a notarized self-proving affidavit, a statement signed by you and your witnesses confirming the will was properly executed. It isn’t required for validity, but it means your witnesses won’t need to be tracked down and confirmed in court later, which matters if they’ve moved, lost touch, or passed away by the time the will is actually used.
When a DIY Will Is Genuinely Enough
For most people, a self-written will covers exactly what’s needed:
- Naming who inherits your assets
- Appointing a guardian for minor children
- Designating an executor to carry out your instructions
If your estate is a home, some savings, and personal belongings, and your family situation is straightforward, a properly executed DIY will is both legally sound and considerably cheaper than hiring an attorney.
When You Should Hire an Attorney Instead
Certain situations carry enough legal complexity that a template genuinely isn’t enough.
Complex or High-Value Estates
Consider professional help if your estate approaches the federal estate tax exemption, which sits at $13.99 million in 2026, or includes business ownership with succession questions, or real property spread across multiple states with different probate rules.
Complicated Family Situations
Blended families with stepchildren often run into default inheritance assumptions that don’t match what the person actually wanted. An attorney can address this directly rather than leaving it to a generic template.
Disinheriting a Spouse or Child
Most states have elective share or community property laws specifically designed to prevent a spouse from being fully disinherited. Attempting this in a DIY will without meeting the state’s specific legal conditions is one of the fastest ways to trigger a successful court challenge.
The Real Risks of Writing It Yourself
A DIY will is legal, but it isn’t automatically risk-free. The most common problems come from small execution details, not the big-picture plan:
- Improper witnessing or missing signatures, which can leave the will vulnerable to being challenged or thrown out
- Vague or incomplete instructions that create confusion and disputes among beneficiaries
- Forgetting to name an alternate executor, or overlooking digital assets and potential estate tax issues
- A will nobody can find when it’s actually needed
What Happens Without Any Will at All
If you die without a valid will, your state’s intestacy laws take over completely. A judge distributes your assets according to a fixed legal formula, regardless of what you actually wanted. This typically means longer delays, higher costs for your family, and a much greater chance of disputes breaking out among people who are already grieving. Even a simple, properly executed DIY will prevents all of this.
Frequently Asked Questions
Q1. Do I need a notary for my will to be legally valid?
Not for basic validity in most states, since witnessing alone typically satisfies the core requirement. Notarization matters specifically for the optional self-proving affidavit, which speeds up probate but isn’t required to make the will enforceable.
Q2. Can I write my own will by hand instead of typing it?
In many states, yes. Handwritten wills, sometimes called holographic wills, are recognized as valid, though whether witnesses are still required varies by state, so it’s worth confirming your specific state’s rule before relying on one.
Q3. What happens to my will if I move to a different state?
Most states honor a will that was validly executed under the laws of the state where it was signed, even after you relocate. Still, it’s worth reviewing your will after a major move, since state-specific rules like community property laws can affect how your estate is handled.
Q4. Can I change my DIY will later without starting over completely?
Yes. You can typically make small changes through a formal codicil, or revoke the old will and execute a new one if your circumstances change significantly, such as marriage, divorce, or the birth of a child.