A last will and testament is a signed legal document that tells the probate court who should receive your property, who should manage your estate, and — if you have minor children — who should raise them after you die. Without one, state intestacy law makes those calls for you, using a fixed formula that may bear no resemblance to what you actually wanted.
What a Will Actually Does
A will performs three jobs. It names the people or organizations that inherit your assets, from real estate and investment accounts down to specific personal items like jewelry or a family photograph. It appoints an executor (sometimes called a personal representative) to carry out those instructions by collecting your assets, paying debts and taxes, and distributing what remains.1Internal Revenue Service. Responsibilities of an Estate Administrator And if you have minor children, it designates a guardian.
The guardian designation alone makes a will essential for any parent. Courts give heavy weight to a parent’s written choice. Without that written choice, a judge who has never met your family picks the person who raises your kids. That one reality motivates more wills than any other factor.
Who Can Make a Will
Two basic requirements. You must be at least 18 years old, and you must have what the law calls testamentary capacity, which means you understand what you’re doing. Specifically, you need to grasp three things at the moment of signing: that you’re creating a document that distributes your property after death, what property you actually own, and who the natural recipients of that property would be — your spouse, children, close relatives.
Testamentary capacity is a lower bar than most people assume. You don’t need perfect memory or flawless judgment. Someone with early-stage dementia, for instance, can still have valid testamentary capacity during lucid periods. The question is whether, when the pen touched the paper, the person understood the nature and consequences of the document.
What Makes a Will Legally Valid
Every state requires that a will be in writing and signed by the person making it, called the testator. In nearly every state, you also need at least two disinterested witnesses who watch you sign and then sign themselves. Disinterested means the witnesses don’t stand to inherit anything under the will. If a witness is also a beneficiary, the will itself may still be valid, but that witness’s inheritance can be reduced or eliminated depending on your state’s rules.
Self-Proving Affidavits
A self-proving affidavit is a notarized statement attached to the will, signed by you and your witnesses at the time of execution. It serves as built-in proof that the will was properly signed, so witnesses don’t have to appear in court later. Most states handle this with an affidavit signed in front of a notary public; a few accept sworn statements signed under penalty of perjury instead.2Legal Information Institute. Self-Proving Will Skipping the affidavit doesn’t invalidate your will, but it can slow probate significantly if a witness has moved, become incapacitated, or died by the time the will needs to be proved.
Handwritten and Electronic Wills
A holographic will is one entirely handwritten and signed by the testator, with no witnesses. Some states accept these; requirements vary. A few demand that the entire document be in the testator’s handwriting, while others only require the signature and “material portions” to be handwritten.3Legal Information Institute. Holographic Will Holographic wills are far more vulnerable to challenge than properly witnessed ones, and they’re a common source of family litigation. Relying on a handwritten will when a formal one is easy to create is a gamble that rarely pays off.
Electronic wills, created and signed digitally, are gaining legal recognition but remain the exception. Roughly fourteen states have adopted some form of electronic will legislation, often modeled on the Uniform Electronic Wills Act. If you’re considering a digital option, confirm your state recognizes it before relying on one as your primary estate plan.
Assets a Will Does Not Control
This is where most estate plans go sideways. A will only governs assets that pass through probate. Several common asset types transfer automatically at death under separate instructions, and your will cannot override them no matter what it says.
- Retirement accounts and life insurance. 401(k)s, IRAs, and life insurance policies pass to whoever is named on the beneficiary designation form you filled out when you opened the account. If your will leaves your IRA to your son but the beneficiary form still lists your ex-spouse, the ex-spouse gets it.
- Jointly owned property. Bank accounts or real estate held as joint tenants with right of survivorship pass automatically to the surviving co-owner.
- Payable-on-death and transfer-on-death accounts. Bank and brokerage accounts with a POD or TOD designation go directly to the named person.
- Assets held in a trust. Property transferred into a living trust is distributed according to the trust’s terms, not your will.
Beneficiary designations on retirement plans and insurance policies almost always override a conflicting will. For employer-sponsored retirement plans governed by federal law, the plan administrator is required to follow the beneficiary designation form and plan documents, regardless of what your will says.4United States Department of Labor. Current Challenges and Best Practices Concerning Beneficiary Designations in Retirement and Life Insurance Plans If you’ve gone through a divorce, a job change, or simply haven’t looked at those forms in a decade, the designations may no longer reflect what you want. Review beneficiary forms alongside your will. The estate plan only works if the pieces agree.
What Happens If You Die Without One
Dying without a valid will triggers intestacy, where state law dictates who inherits according to a fixed hierarchy. A surviving spouse and children typically receive first priority, followed by parents, siblings, and increasingly distant relatives.5Legal Information Institute. Intestate Succession The formula varies by state, but the common thread is that it leaves no room for personal preference. An unmarried partner, a stepchild you raised, a close friend, or a charity you care about gets nothing under intestacy rules.
The court also appoints an administrator to manage the estate, since no executor is named. That administrator may be required to purchase a surety bond, an insurance policy guaranteeing proper handling of estate funds. The bond premium comes out of the estate, reducing what heirs ultimately receive. A will that names a trusted executor and waives the bond requirement avoids this cost entirely.
For parents of minor children, intestacy means a judge picks the guardian. The court will consider the child’s best interests, but it’s working with far less information than a parent who has thought the question through. If no suitable relatives exist, a child can end up in foster care while the court sorts things out.
In the rare case where no living relatives can be found at all, the estate escheats to the state, meaning the government takes everything. The assets are typically liquidated and deposited into a state fund. That outcome is entirely preventable with even a basic will.
Probate in Brief
Probate is the court-supervised process of validating a will, paying debts, and distributing assets. Even a well-drafted will typically goes through probate for anything that doesn’t transfer automatically through beneficiary designations, joint ownership, or a trust.
The executor files the will with the probate court and petitions to be appointed. The court reviews the will and, if everything is in order, issues letters testamentary giving the executor legal authority to act for the estate. The executor then inventories and appraises assets, notifies creditors, pays valid debts and taxes, and distributes what remains to the beneficiaries.1Internal Revenue Service. Responsibilities of an Estate Administrator
Straightforward estates with no disputes typically move through probate in six to twelve months. Contested wills, complex assets, or disagreements among beneficiaries can stretch the process well beyond a year. Court filing fees to open a probate case range from under $100 to several hundred dollars depending on the jurisdiction, and attorney fees add substantially to the total cost. One detail that catches families off guard: probate filings are public records. The will itself, the asset inventory, and financial accountings become accessible to anyone who asks.
Changing or Revoking a Will
Life changes, and your will should change with it. Marriage, divorce, the birth of a child or grandchild, the death of a beneficiary or executor, and major financial shifts like selling a business or receiving an inheritance are all reasons to revisit. A good rule of thumb is to review the document every three to five years even if nothing dramatic has happened.
For small changes, you can add a codicil, which is a separate document that amends specific provisions of the existing will. A codicil must be signed and witnessed with the same formalities as the will itself. It should clearly identify which will it modifies and which provisions it changes. Keep the signed codicil stored with the original will.
For larger revisions, writing a new will entirely is almost always the better choice. Multiple codicils layered on top of each other create confusion and invite disputes. A new will should include a clause explicitly revoking all prior wills and codicils.
You can also revoke a will by physically destroying the original (tearing, burning, or shredding) as long as you intend the destruction as a revocation. Having someone else destroy it on your behalf is possible but requires witnesses. In most states, divorce automatically revokes any provisions benefiting your former spouse, but the specifics vary enough that you should never rely on that automatic revocation alone. Update the will after a divorce.
Cost and Storage
Attorney-drafted wills for straightforward estates typically run from a few hundred dollars to around a thousand. Online will-preparation services charge less, sometimes under $100, though they offer limited customization and no legal advice. For estates involving blended families, business interests, or significant assets, the cost rises with complexity. Set against the probate expenses and family conflict that a missing or unclear will can produce, the upfront cost is modest.
Where you store the finished will matters more than most people realize. A fireproof safe at home works well, as long as someone you trust knows the combination or where to find the key. A safe deposit box at a bank sounds secure but creates a real problem: in many states, the box is sealed when the owner dies, and getting a court order to open it takes time and money. If your will contains funeral instructions, your family may not see them until after the burial. Your executor and at least one other trusted person should know exactly where the original is kept.