The 7 estate planning documents every adult over 55 must have — including what happens to your family if each one is missing. A practical checklist from will to trust to beneficiary designations.
If you're 55 or older and haven't completed your estate planning documents, the 7 most critical are: a last will and testament, durable power of attorney, healthcare proxy, living will/advance directive, HIPAA authorization, revocable living trust, and beneficiary designations review. Without these in place, your family could face lengthy probate proceedings, court-appointed guardians making medical decisions on your behalf, and significant assets going to unintended recipients. This checklist covers what each document does, who needs it, and what happens if you skip it.
We ranked these 7 documents based on 4 factors:
| Factor | Weight | Why It Matters |
|---|---|---|
| Consequence of missing it | High | Some gaps expose families to years of legal proceedings |
| Prevalence of need | High | Documents needed by virtually all adults vs. specific situations |
| Urgency | Medium | Some become critical immediately upon incapacity or death |
| Cost/complexity to obtain | Medium | Documents that are simple and inexpensive to get should have no excuse |
Sources: American Bar Association estate planning resources, AARP, National Academy of Elder Law Attorneys (NAELA), and Fidelity estate planning guides.
Best for: Every adult with assets, minor children, or strong preferences about belongings
Average cost: $300–$1,000 with an attorney; $30–$100 via online platforms
What happens without it: State intestacy laws decide who inherits everything
A last will and testament is a legally binding document specifying how your assets should be distributed after death, who should care for minor children (your named guardian), and who handles your estate (your executor). Without a will, your state's default intestacy laws apply — which may distribute assets in ways that directly contradict your wishes, and can force a probate process lasting months to years.
Every adult should have a will. It is especially critical if you have minor children, a blended family, or specific wishes about personal property. Adults over 55 with complex assets should pair their will with a revocable living trust to avoid probate entirely.
Best for: Every adult — becomes critical immediately upon incapacity
Average cost: $100–$500 with an attorney
What happens without it: A court appoints a conservator, a process costing $3,000–$10,000+
A durable power of attorney (DPOA) designates a trusted person (your "agent") to manage financial decisions — paying bills, managing investments, filing taxes, selling property — if you become incapacitated. "Durable" means it remains valid even if you lose mental capacity. Without a DPOA, your family must petition a court for conservatorship, which is expensive, time-consuming, and public.
Essential for all adults over 55. If you are in early-stage cognitive decline, executing a DPOA immediately is critical — once you lose mental capacity, you can no longer legally create one.
Best for: Every adult — becomes operative upon medical incapacity
Average cost: Often free through a hospital or attorney; $50–$200 standalone
What happens without it: Hospitals follow a default hierarchy; spouses and children may disagree
A healthcare proxy designates a specific person to make medical decisions when you cannot communicate them yourself — during surgery, after a serious accident, or in late-stage illness. Without one, hospitals follow state default hierarchies that may create family conflict or give decision-making power to estranged relatives. This document is separate from your living will and broader in scope.
Every adult, regardless of age or health status. Especially critical for adults in same-sex partnerships or non-married couples, where default state hierarchies may not recognize a partner's authority.
Best for: Adults who have strong preferences about end-of-life care
Average cost: Often free; $50–$300 with an attorney
What happens without it: Providers may default to aggressive intervention regardless of your values
A living will (also called an advance directive) spells out your specific medical preferences if you're in a terminal condition, persistent vegetative state, or end-stage illness — covering decisions like mechanical ventilation, feeding tubes, resuscitation (DNR/DNI), and pain management preferences. Unlike a healthcare proxy, a living will speaks for itself even if your agent is unavailable.
Every adult, but especially important for those with chronic illness, a family history of conditions requiring prolonged care, or strong values about medical intervention. Pair with a healthcare proxy for complete coverage.
Best for: Adults who want family members to speak with their doctors
Average cost: Free (hospital-provided forms)
What happens without it: Doctors cannot legally share your health information — even with spouses
HIPAA (Health Insurance Portability and Accountability Act) restricts providers from sharing your medical information without written authorization. Even spouses and adult children cannot receive updates on your condition without a signed HIPAA release. This document is simple — often a one-page form available from your doctor's office — but routinely overlooked.
Every adult. This is the simplest item on this list and should be completed at your next doctor's visit if you haven't already done it.
Best for: Adults with assets over $150,000, real estate, or strong privacy concerns
Average cost: $1,500–$3,500 with an estate attorney
What happens without it: Assets go through public probate; process takes 6–24 months+
A revocable living trust holds your assets during your lifetime and transfers them directly to beneficiaries at death — bypassing probate entirely. Unlike a will, a trust is private (not filed in court), faster (distribution in weeks vs. months), and can provide ongoing asset management if you become incapacitated. You retain full control of the trust as long as you're alive and competent.
Adults over 55 with real estate, significant investments, or privacy concerns should strongly consider a trust over a will alone. If your total assets are under $100,000 and you have no real estate, a will with a transfer-on-death designation may be sufficient.
Best for: Every adult with retirement accounts, life insurance, or bank accounts
Average cost: Free to update
What happens without it: Outdated designations can send assets to ex-spouses, estranged relatives, or deceased individuals
Beneficiary designations on retirement accounts (IRAs, 401Ks), life insurance policies, and payable-on-death (POD) bank accounts pass directly to named individuals — completely bypassing your will. These designations are legally binding and override any instruction in your will or trust. A 2024 AARP study found that 40% of adults over 55 have outdated beneficiary designations, many naming ex-spouses or deceased relatives.
Every adult. Review beneficiary designations annually and after every major life event: marriage, divorce, birth of a child, or death of a named beneficiary.
| Document | Cost | Urgency | Avoids Probate | Requires Attorney |
|---|---|---|---|---|
| Last Will & Testament | $300–$1,000 | High | No | Recommended |
| Durable Power of Attorney | $100–$500 | Critical | N/A | Yes |
| Healthcare Proxy | Free–$200 | Critical | N/A | Recommended |
| Living Will | Free–$300 | High | N/A | Optional |
| HIPAA Authorization | Free | Moderate | N/A | No |
| Revocable Living Trust | $1,500–$3,500 | High | Yes | Yes |
| Beneficiary Designations | Free | High | Yes | No |
This guide draws on resources from the American Bar Association, AARP, the National Academy of Elder Law Attorneys (NAELA), Fidelity's estate planning guides, and NOLO legal resources. We reviewed state-specific requirements for all 50 states. Document costs are national averages and vary significantly by state and attorney. Last updated: May 2026. Reviewed annually.
For a will, durable power of attorney, and living trust, working with a licensed estate planning attorney is strongly recommended — errors can render documents invalid. HIPAA authorizations, beneficiary designations, and living wills in many states can be completed without an attorney using state-approved forms.
Your assets go through intestate succession — state law determines who inherits everything. For most states, assets pass to a spouse first, then children, then parents, then siblings. Unmarried partners, stepchildren, charities, and friends receive nothing under intestacy laws.
Review your documents every 3–5 years and after any major life event: marriage, divorce, birth or adoption, death of a beneficiary, major asset acquisition or sale, or a move to a different state.
A properly executed living will is a legally binding document. However, in practice, if healthcare providers are unaware of it or if family members dispute it, delays can occur. Giving copies to your doctor, your healthcare proxy, and keeping one in a known location reduces this risk.
A will takes effect at death and goes through probate. A living trust takes effect immediately, holds assets during your lifetime, and transfers them at death without probate. A trust is private; a will is a public court record.
A durable power of attorney remains in effect until you revoke it, you die, or a court invalidates it. A "springing" power of attorney only activates upon incapacity. Review and reaffirm your DPOA periodically — some financial institutions are reluctant to honor documents over 5 years old.
Handwritten (holographic) wills are recognized in about half of U.S. states. However, errors in handwritten wills frequently cause them to be contested or invalidated. A typed, witnessed, and notarized will prepared with an attorney is far more reliable.
Traditional estate plans often miss digital assets — email accounts, cryptocurrency, online banking, subscriptions, social media. Include a separate digital asset inventory and ensure your DPOA and will explicitly grant authority over digital assets.
This content is for general informational purposes only and does not constitute legal or financial advice. Estate planning laws vary significantly by state. Consult a licensed estate planning attorney in your state before executing any legal documents. Document costs cited are national averages and may differ substantially in your area. Last updated: May 2026.
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