How to Write a Will in 2026: Requirements, Costs & Step-by-Step

Writing a will is the single most effective thing most adults can do to protect their family — and roughly two-thirds of Americans still have not done it. A will tells the court exactly who receives your property, who raises your children, and who wraps up your affairs. Without one, the state decides for you through a rigid formula called intestacy. This guide walks through the 2026 legal requirements, the exact steps to write a valid will, what it costs, and the mistakes that cause wills to be thrown out in probate.

What a Will Does — and What It Does Not

A last will and testament is a legal document that takes effect only at your death. It lets you name beneficiaries for property that passes through your estate, appoint an executor to administer it, and nominate a guardian for minor children.

A will does not control assets that pass by contract or by beneficiary designation. Life insurance proceeds, retirement accounts, and payable-on-death bank accounts go directly to the beneficiary you named — no matter what your will says. If you want a life insurance payout to follow your will, you must name your estate as the beneficiary, but that can create tax and probate complications, so it is rarely the right choice.

A will also does not avoid probate. For that you need a revocable living trust, which we compare later.

Legal Requirements for a Valid Will in 2026

Requirement	What It Means	Typical Rule
Legal age	You must be an adult of sound mind	18 or older in nearly every state
Writing	The will must be recorded in some durable form	Typed is safest; some states allow handwritten (holographic) wills
Signature	You must sign or have someone sign at your direction	Sign at the end of the document
Witnesses	Two disinterested adults watch you sign	Two witnesses in most states; they should not be beneficiaries
Notarization	Optional in most states, required in a few	A self-proving affidavit speeds probate
Capacity	You must understand your assets and heirs	Contested if signed during serious illness

The exact witness and notary rules differ by state. In Alabama, for example, a typed will needs two witnesses and no notary, while a handful of states require notarization for a self-proving will. Check your state’s statute — or use a service that generates a state-specific document — before you sign.

Step-by-Step: How to Write a Will

Take inventory. List your assets, accounts, real estate, and personal property, and note which already have beneficiary designations.
Decide who gets what. Name beneficiaries for the estate assets your will actually controls.
Choose an executor. Pick someone organized, trustworthy, and willing to serve, plus a backup.
Name a guardian for minor children if you have any.
Draft the document. Use a state-specific template, an online service, or an attorney.
Sign it correctly. Sign at the end, in front of the required witnesses, following your state’s rules exactly.
Add a self-proving affidavit and have it notarized to streamline probate.
Store the original safely and tell your executor where it is.

What to Include in Your Will

A statement that revokes all prior wills.
Your full legal name and the date of signing.
Specific bequests of money, property, or heirlooms to named people.
A residuary clause that covers anything you forgot to mention.
The name of your executor and at least one alternate.
Guardian nominations for minor children.
Instructions for digital assets such as email, cloud storage, and social accounts.

Who Should You Name as Executor?

Your executor — called a personal representative in some states — collects your assets, pays debts and taxes, and distributes what remains. The best choice is someone organized, financially responsible, and willing to handle paperwork with the probate court. Many people name a spouse or adult child; others use a bank trust department or a professional fiduciary for complex estates. Always name a backup, because the person you choose may be unable, unwilling, or predeceased when the time comes.

DIY Will vs. Lawyer-Drafted vs. Online Service

Option	Typical 2026 Cost	Best For
Handwritten (holographic) will	$0	Emergency situations; not valid in every state
Online will service	$40 – $200	Simple estates with straightforward wishes
Attorney-drafted standalone will	$300 – $800	Blended families, business interests, tax planning
Full estate plan (will + trust + POA)	$1,200 – $3,500	Real estate, minor children, larger estates

An online service is perfectly adequate for a simple estate — one spouse, one house, everything to the surviving spouse and then the children. A lawyer becomes worth the cost when you have a blended family, a business, property in more than one state, a disabled beneficiary, or an estate large enough to face federal or state estate tax.

What Happens Without a Will

If you die intestate — without a valid will — state law decides who inherits. The formula generally goes to a spouse first, then children, then parents, then siblings. That can produce results you would never choose: an unmarried partner gets nothing, a stepchild may receive nothing, and a dispute between a surviving spouse and children from a prior marriage is common. The court also appoints an administrator, which costs the estate time and money. You can read the full breakdown in our guide to what happens if you die without a will.

When to Update Your Will

Marriage, divorce, or the death of a spouse.
The birth or adoption of a child or grandchild.
A significant change in assets or a large inheritance.
A move to a new state, which can change witness and notary rules.
A falling-out with, or the death of, your named executor or guardian.

Review your will at least every three to five years, and never rely on crossing out lines or writing in margins — make a new document or a formal codicil instead.

Watch: How to Write a Will Step by Step

Key Takeaways

A will only controls assets that have no beneficiary designation or joint owner.
Most states require two witnesses; many also want a notarized self-proving affidavit.
A will does not avoid probate — a revocable living trust does.
Always name a backup executor and guardian.
Life insurance and retirement accounts pass outside the will.

Digital Assets and Your Will

Modern estates include digital property: email and cloud accounts, social media profiles, cryptocurrency, online businesses, and domain names. Most states have adopted a version of the Revised Uniform Fiduciary Access to Digital Assets Act, which lets your executor access certain digital accounts — but only if you authorize it. Name your digital assets and give your executor explicit authority in the will. For cryptocurrency, which is not controlled by any custodian, you must also leave a secure, legally documented way for your executor to access the wallet, or the coins may be lost forever.

Codicil or a New Will?

A codicil is a formal amendment to an existing will. It must be signed with the same witness and notary formalities as the original. Use a codicil for a small, specific change — swapping one beneficiary or updating a guardian. Draft a completely new will when the changes are substantial, such as a divorce, a new marriage, or a large shift in your assets. Multiple codicils get confusing, and courts scrutinize them. When in doubt, revoke the old document and sign a clean new will that states it replaces all prior wills.

Frequently Asked Questions

Do I need a lawyer to write a will in 2026?

Not for a simple estate. Online services generate state-specific wills for $40 to $200. Hire a lawyer for blended families, business interests, property in multiple states, or taxable estates.

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Does a will need to be notarized?

Notarization is generally optional but recommended. A notarized self-proving affidavit lets the court accept the will without contacting your witnesses after you die, which speeds up probate.

Can I write my own will by hand?

Some states recognize handwritten holographic wills, but rules vary and courts scrutinize them closely. A witnessed, typed will is far safer.

What happens if I die without a will?

State intestacy law decides who inherits, generally favoring a spouse and children. Unmarried partners and stepchildren usually receive nothing, and the court appoints an administrator.

Does a will avoid probate?

No. A will is submitted to probate, where the court validates it and supervises distribution. A revocable living trust, properly funded, lets assets pass without probate.

Can I disinherit a spouse or child?

Most states protect a surviving spouse through elective share or community property rules, so you usually cannot fully disinherit a spouse. Disinheriting an adult child is generally allowed but should be stated explicitly.

Related Resources

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Related reading: Simultaneous Death and the 120-Hour Rule.

Related reading: How to Choose an Estate Planning Attorney.