Estate Planning Documents: The Core Forms Every Adult Should Know

Quick Comparison: Core Estate Planning Documents

The table below summarizes the seven core estate planning documents, what each controls, and who typically needs each one. Detailed explanations follow.

Last Will and Testament

The Last Will and Testament is the starting document for most estate plans. It states your wishes for how your assets should be distributed after your death. Your will names an executor (also called a personal representative) who is responsible for administering the estate, filing the will with the probate court, collecting assets, paying debts and taxes, and distributing what remains to your beneficiaries.

For parents of minor children, the will is also the only legal way to nominate a guardian, the person you want to raise your children if both parents die. Without this nomination, a family court judge makes that decision without any guidance from you.

A will only controls assets titled in your name alone. Assets held in a trust, assets with beneficiary designations, and jointly held property all pass outside the will. A will must also go through the probate process, meaning it becomes a public record and is subject to court supervision. In California, for example, probate on a $1 million estate can cost more than $25,000 in statutory fees alone.

A will must be signed in front of witnesses (typically two) and must meet your state's specific execution requirements to be valid. Some states allow holographic (handwritten) wills, but requirements vary. An improperly executed will may be entirely invalid.

Revocable Living Trust

A revocable living trust is a legal entity you create during your lifetime to hold your assets. You transfer ownership of your property, including real estate, bank accounts, and investments, into the trust. You serve as the initial trustee and keep complete control. You can change, amend, or cancel the trust at any time during your lifetime.

When you die, the trust assets pass directly to your named beneficiaries according to the trust terms, without going through probate. There are no court filings, no public record, and no mandatory delays. Your successor trustee, the person you designate to take over, distributes the assets according to your instructions, typically within weeks rather than months.

A living trust also protects you during incapacity. If you become unable to manage your affairs, your successor trustee steps in right away to manage the trust assets on your behalf, with no court involvement. This avoids the expense and delay of a court-ordered conservatorship over your finances.

Even with a trust, you should also have a "pour-over will," a simple will that directs any assets outside the trust at death into the trust. This is a safety net for assets that were not properly transferred into the trust during your lifetime. For a detailed comparison, see our Will vs. Trust guide.

Durable Power of Attorney for Finances

A durable power of attorney (DPOA) for finances is one of the most important estate planning documents an adult can have, and one of the most commonly overlooked until it is too late. It designates an agent (also called attorney-in-fact) to manage your financial affairs on your behalf. "Durable" means it stays in effect even if you become incapacitated.

Your agent under a DPOA can pay your bills, manage your bank accounts, make investment decisions, file your tax returns, manage your real estate, and handle other financial transactions on your behalf. The scope of authority depends on how the document is drafted. A broad, general DPOA grants extensive authority, while a limited DPOA can be tailored to specific transactions.

Without a DPOA, if you become incapacitated, your family cannot simply start paying your bills or managing your accounts. They must petition a court for a conservatorship, which can take months and cost thousands of dollars in legal fees. Even then, the court keeps ongoing oversight of financial decisions.

A DPOA is separate from a healthcare power of attorney. You may need both, and each requires a separate document in most states. For complete coverage of this topic, see our dedicated Power of Attorney guide.

Healthcare Power of Attorney

A healthcare power of attorney (also called a healthcare proxy or medical power of attorney) designates a specific person to make medical decisions on your behalf when you cannot do so yourself. This is different from an advance directive. While an advance directive records your written preferences for specific treatments, a healthcare power of attorney gives someone the authority to make real-time medical decisions in situations your advance directive may not have anticipated.

Your healthcare proxy should be someone you trust completely, who knows your values and can make hard decisions under pressure. They need to advocate for your wishes even when medical staff or other family members push back. Choose someone who will follow your instructions rather than their own preferences.

In many states, spouses are automatically presumed to have healthcare decision-making authority, but this presumption does not always hold, particularly if spouses are estranged or if children contest decisions. A formal healthcare power of attorney removes ambiguity and protects your chosen proxy from family disputes.

Advance Directive and Living Will

An advance directive (sometimes called a living will) is a legal document where you record your wishes for medical treatment if you become terminally ill, permanently unconscious, or otherwise unable to communicate. It typically addresses: whether you want life-sustaining treatment (ventilator, artificial nutrition) in a terminal condition, your preferences about resuscitation (CPR), your wishes regarding organ donation, and your preferences for comfort care and pain management.

Many states have combined the advance directive and healthcare power of attorney into a single document called a combined advance directive. Even in states that have separate documents, most people create both. The National Institute on Aging provides detailed guidance on advance care planning that helps you understand what decisions you will need to address.

An advance directive only works if it is accessible. Give copies to your healthcare proxy, your primary physician, and any specialists treating you for chronic conditions. If you are hospitalized, bring a copy or ensure it is in your medical record. Some states maintain advance directive registries where you can register your document so it is available to medical providers in an emergency.

HIPAA Authorization

A HIPAA Authorization is a document that allows specific individuals to access your protected health information (PHI) under the federal Health Insurance Portability and Accountability Act. Without a HIPAA authorization, medical providers may refuse to discuss your medical condition, share records, or coordinate care with family members, even a spouse, because of privacy law restrictions.

Your healthcare power of attorney grants authority to make medical decisions, but a HIPAA authorization specifically opens access to medical records and information. These are different authorizations, and you may need both. Your healthcare power of attorney document may include HIPAA authorization language, but review it carefully to confirm.

HIPAA authorizations matter especially for adult children who want their parents' medical providers to communicate with them, and for unmarried partners who do not have automatic legal standing under state law. This is a simple, inexpensive document, often just one page, that can prevent enormous frustration in a medical crisis.

Letter of Instruction

A letter of instruction is not a legal document. It has no binding legal authority. But it is one of the most practical things you can leave for your family and executor. It fills in the details that legal documents do not cover: where your original documents are located, account numbers and financial institution contacts, your attorney and accountant's contact information, funeral and burial preferences, instructions for pets, subscription services that should be cancelled, and any personal messages or explanations.

Because it is not a legal document, you can update it at any time without witnesses or notarization. Write it yourself in plain language. Keep it with or near your other estate planning documents and tell your executor it exists.

The letter of instruction is also the right place to record where your digital asset inventory is stored, not passwords themselves (since a will becomes a public record at probate), but instructions for how to access a password manager or where to find an encrypted file.

Executing Estate Planning Documents Properly

Each estate planning document has specific execution requirements that vary by state. Skipping a required step can invalidate the entire document. Here are the general requirements:

• Will: Written document, signed by the testator, witnessed by two adults (in most states) who are not beneficiaries, and in some states notarized. Some states allow self-proving affidavits that simplify probate.
• Trust: Signed by the grantor (creator) and in most states must be notarized. Real estate transferred to a trust requires a deed recorded with the county recorder's office.
• Durable Power of Attorney: Signed by the principal, typically notarized and witnessed. Many financial institutions have their own POA forms they prefer. Check with your bank.
• Advance Directive / Healthcare POA: Requirements vary widely by state. Some states require notarization, some require two witnesses, some require both. Witnesses generally cannot be healthcare providers, facility employees, or beneficiaries.

Working with an estate planning attorney is the most reliable way to make sure your documents are properly drafted and executed. To find out which documents you personally need, use our free Estate Planning Assessment. For a broader overview of the planning process, read our guide to estate planning basics. The IRS overview of estate and gift taxes provides context on the tax side of larger estates.

What Happens to These Documents When You Are Gone

After you die, your estate planning documents guide every step of the administration process. Your executor presents the original will to the probate court. The trust document gives your successor trustee authority to act. The powers of attorney and healthcare directives terminate at death. They no longer have any legal effect after you pass.

Your executor and trustee become fiduciaries. They are legally required to act in the best interests of the estate and its beneficiaries. The Consumer Financial Protection Bureau's guide to managing someone else's money is a good starting point for anyone who has just taken on the role of executor, trustee, or agent under a power of attorney.

For practical, state-specific guidance on settling an estate, see Settled Estate's resources by state. If you want to understand the strategies that keep assets out of court, read our guide on how to avoid probate. If you are just beginning to build your estate plan, start with our Estate Planning Checklist for a step-by-step action plan.

Official sources worth reviewing

Estate planning documents are governed mostly by state law, but these public resources are useful for understanding fiduciary duties, incapacity planning, and the tax and administrative issues that surface after death.

• CFPB managing someone else’s money
• CFPB power of attorney explainer
• IRS Publication 559 for survivors, executors, and administrators
• IRS estate and gift tax guidance