Estate Planning Documents Every Couple Needs in 2026

If you're a couple building a life together, whether you're married, engaged, or long-term partners with a shared home, you need five to six core estate planning documents in 2026: a will, a healthcare power of attorney, a financial (durable) power of attorney, a HIPAA authorization, updated beneficiary designations, and often a revocable living trust. Without them, a court, a hospital, or a financial institution decides who acts for you and who inherits, which can mean months of delay and thousands in legal fees for the person you love most. This is a plan you build together for clarity and control, not a defense against each other. With the federal estate and gift tax exemption permanently set at $15 million per person under the One Big Beautiful Bill Act (OBBBA), most couples will never owe federal estate tax, so your plan is about control, not taxes.
Key takeaways
- Every adult over 18 needs at least 5 documents (will, healthcare POA, financial durable POA, HIPAA authorization, and beneficiary designations), plus a revocable living trust in many cases.
- As of 2026, the federal estate and gift tax exemption is permanently $15 million per person ($30 million per married couple) under OBBBA, so most couples' plans are about control, not estate tax.
- Beneficiary designations on your 401(k), IRA, Roth IRA, HSA, life insurance, and TOD/POD accounts override your will, so an outdated form can undo your entire plan.
- 56% of American adults have no estate planning documents (2026 Trust & Will report), and 50% of parents have named no guardian for their minor children.
- A revocable living trust only works if it's funded (assets retitled into it), and it makes the most sense if you own real estate in more than one state or live in a slow-probate state like California or Florida.
- A full attorney-drafted estate plan for a couple typically runs $1,000 to $3,000; Neptune offers a flat $3,000 estate planning bundle covering the full process.
Why Every Couple Needs an Estate Plan (Not Just Wealthy Families)
More than half of American adults, 56% according to the 2026 Trust & Will Estate Planning Report, have no estate planning documents at all. No will, no trust, no power of attorney, nothing. Even among parents the gap is striking: 50% have named no legal guardian for their minor children. That number has barely moved in years, and the most common reasons people give are that they think they don't own enough to need a plan, or the process feels intimidating.
Here's the reframe that helps most couples get started. An estate plan answers three practical questions: who can act if you cannot, who receives your property after death, and which accounts need instructions that live outside your will. Notice that none of those questions asks about your net worth. Most of these documents have nothing to do with taxes and everything to do with a shared understanding between you and your partner about what happens next.
That shared understanding starts with a conversation. As Michael C. Cotugno, Esq., Managing Partner at Neptune Legal, puts it: "Understanding a partner's relationship with money, their historical experiences of abundance or scarcity, their anxieties tied to financial stability, or their personal definitions of success, allows for a deeper, more empathetic understanding of them as a whole individual." Planning together is one of the clearest ways to have that conversation on purpose.
If you want a guided path through all of this, you can see how Neptune structures the process at /estate-planning/how-it-works.
The Core Estate Planning Documents Every Couple Needs
Each document does one specific job. A will is not a healthcare document. A beneficiary form is not controlled by your will. Skipping any single piece leaves a gap that a court, hospital, or bank will fill on your behalf, and rarely the way you'd choose.
- Last will and testament. Directs who inherits your probate property, names an executor to administer your estate, and names guardians for minor children. Without one, you die "intestate" and state law decides. In most states an unmarried partner inherits nothing by intestacy; assets go to blood relatives.
- Healthcare power of attorney (healthcare proxy). Names the person who makes medical decisions if you can't communicate. Without it, providers follow a state-defined next-of-kin hierarchy, which may not be your partner and can spark family conflict.
- Financial durable power of attorney. Names someone to manage your money and property if you're alive but incapacitated. Without it, your family typically needs a court-ordered guardianship or conservatorship, a process that can take months and cost thousands. The document only works if you sign it while you still have legal capacity.
- HIPAA authorization. Lets your named agents actually access your medical records and speak with your doctors. A healthcare proxy without a HIPAA authorization can leave your partner locked out of basic information.
- Living will (advance directive). Documents your wishes on end-of-life care, resuscitation, life support, and organ donation. It works alongside your healthcare proxy by giving your agent written guidance.
- Beneficiary designations. Direct the payout of retirement accounts and life insurance. These pass by the form on file, not by your will, so they need to be reviewed regularly.
Add one modern piece: a digital asset inventory. Email, cryptocurrency wallets, cloud storage, and online banking all carry financial or sentimental value. A majority of states have adopted the Revised Uniform Fiduciary Access to Digital Assets Act (RUFADAA), which lets your executor or agent manage digital accounts, but generally only if your documents grant that authority explicitly.
| Document | What It Does | Who Needs It |
|---|---|---|
| Last will and testament | Directs asset distribution, names an executor and guardians | Every adult |
| Healthcare power of attorney | Names your medical decision-maker | Every adult |
| Financial durable power of attorney | Names who manages finances if you're incapacitated | Every adult |
| HIPAA authorization | Lets agents access your medical records | Every adult |
| Living will / advance directive | States your end-of-life care wishes | Every adult |
| Beneficiary designations | Directs retirement and insurance payouts | Anyone with these accounts |
One point couples miss: incapacity documents run in both directions. You each need your own healthcare and financial POAs naming the other (and a backup), so either partner can step in for the other.
Will vs. Revocable Living Trust: Which Your Couple Needs
A will and a revocable living trust can look similar on the surface, but they operate very differently. A stand-alone will contains all your instructions and goes through probate, the court-supervised process of validating a will and distributing assets. Probate is public, can be slow, and puts timing in a judge's hands. A revocable living trust, by contrast, holds your assets during your lifetime and passes them outside probate, which keeps things private and lets your successor trustee take over quickly.
A will alone works well for many couples with under roughly $1 million in non-retirement assets, especially in states with a streamlined probate process. A revocable trust generally earns its extra cost if you own real estate in more than one state (each state can require its own probate) or live in a slow-probate state like California or Florida, or if privacy and continuity matter to you.
If you use a trust, you'll usually also sign a "pour-over will," which directs any assets you forgot to retitle into the trust at death so nothing falls through the cracks. And this is the part people get wrong most often: a trust only works if it's funded. Funding means retitling your accounts and property into the trust's name. An unfunded trust is just paper.
| Feature | Will Alone | Revocable Living Trust |
|---|---|---|
| Probate | Goes through probate | Passes outside probate |
| Privacy | Public court record | Private |
| Continuity if incapacitated | Limited (needs POA) | Successor trustee can act quickly |
| Typical setup cost | Lower | Higher |
| Best fit | One-state, simpler estates | Multi-state real estate, slow-probate states, privacy goals |
Because the right choice depends on your state's probate rules and how your assets are titled, this is a decision worth making with a qualified attorney rather than guessing.
How Married and Unmarried Couples' Plans Differ
Marriage grants a set of automatic defaults. If a married person dies without a will, intestacy laws generally send assets to the surviving spouse. Hospitals usually recognize a spouse as next of kin. Unmarried partners get none of that automatically, which means you have to build every one of those defaults on purpose.
For unmarried couples, three moves matter most. First, name your partner as primary beneficiary on every account with a beneficiary line, today: 401(k), IRA, Roth IRA, HSA, life insurance, brokerage TOD (transfer-on-death), and bank POD (payable-on-death). Intestacy never routes assets to an unmarried partner, so these forms do the heavy lifting. Second, sign healthcare POAs, HIPAA authorizations, and financial POAs in both directions. These are the documents that let your partner sit beside you in the ICU instead of an estranged relative. Third, consider a funded revocable living trust as the spine of your plan, so probate doesn't temporarily lock your partner out of your home or accounts.
Blended families deserve extra care too. If one partner has adult children from a prior relationship, a plan can clarify how assets pass to both a current partner and those children, reducing the chance of a messy court split. Many older couples who choose not to remarry do exactly this.
One rule applies to every couple, married or not: beneficiary designations override your will. Your 401(k), IRA, Roth, HSA, life insurance, and TOD/POD accounts pass by the form on file. A shiny new will can't fix an outdated beneficiary form.
A Coordinated Plan Built With Professionals
The strongest plan isn't a stack of documents. It's a set of documents that agree with each other, with your account titles, your beneficiary forms, and the people you've named to act. A will that leaves your house to your partner while the deed is held jointly with someone else creates confusion no judge can fully untangle after the fact.
A workable order of operations looks like this:
- Inventory your assets. List everything you own and every titled account, with approximate value and how each is titled. Titling matters more than people realize: an account held jointly with right of survivorship transfers automatically, regardless of what your will says.
- Update every beneficiary designation before you sign anything else, so nothing overrides your new plan.
- Choose will vs. trust based on your state and your assets.
- Execute your incapacity documents (healthcare POA, financial POA, HIPAA, living will) in both directions.
- Review regularly, and after any major life change (marriage, a new child, a home purchase, a move to a new state).
Neptune manages this full process from start to finish. You're paired with experienced attorneys (20+ years), CFPs, and CPAs, with guided education along the way so both partners understand every decision. The estate planning bundle is a flat $3,000 and covers the coordinated plan across your documents, titling, and beneficiary designations, so the pieces work as one.
Michael C. Cotugno, Esq., Managing Partner at Neptune Legal, frames the bigger picture this way: "For conscious partners, wealth is not merely a collection of assets; it's a powerful tool with the potential for profound purpose." A coordinated plan is how you point that tool where you both want it to go.
When you're ready to build your plan together, start at /estate-planning/how-it-works.
Frequently asked questions
What estate planning documents does every couple actually need in 2026?
Most couples need five to six core documents: a last will and testament, a healthcare power of attorney, a financial (durable) power of attorney, a HIPAA authorization, up-to-date beneficiary designations, and often a revocable living trust. A living will (advance directive) is commonly added to document end-of-life care wishes.
Do we need a revocable living trust or is a will enough?
A will alone works for many couples with simpler estates, especially in states with streamlined probate. A revocable living trust generally makes sense if you own real estate in more than one state, live in a slow-probate state like California or Florida, or want privacy and continuity. A trust must be funded (assets retitled into it) to work, so this is a decision worth making with a qualified attorney.
Do beneficiary designations override our will?
Yes. Accounts with a beneficiary line, including 401(k)s, IRAs, Roth IRAs, HSAs, life insurance, and TOD/POD accounts, pass by the beneficiary form on file, not by your will. An outdated designation can override your entire estate plan, which is why you should review these forms before signing anything else.
What happens if a couple has no estate plan?
State law fills the gaps. Intestacy rules decide who inherits (which in most states leaves an unmarried partner with nothing), a court-defined next-of-kin hierarchy decides who makes medical calls, and your family may need a court-ordered guardianship to manage your finances, a process that can take months and cost thousands. Roughly 56% of American adults have no plan at all.
How is estate planning different for unmarried couples?
Marriage grants automatic defaults such as spousal inheritance under intestacy and recognition as next of kin. Unmarried partners must replicate all of that with documents: name each other as primary beneficiary on every account, sign healthcare and financial POAs plus HIPAA authorizations in both directions, and often use a funded revocable trust so probate doesn't lock a partner out of the home or accounts.
Does the $15 million estate tax exemption mean we don't need a plan?
No. As of 2026, the federal estate and gift tax exemption is permanently $15 million per person ($30 million per married couple) under OBBBA, so most couples won't owe federal estate tax. But your plan handles control, not taxes: who acts if you're incapacitated, who inherits, guardianship for children, titling, beneficiary designations, and any state estate tax. A couple in their 30s with a house, two 401(k)s, and a toddler already has planning to do.
How much does it cost to set up an estate plan for a couple?
DIY basics can run $0 to $500, while an attorney-drafted plan for a couple typically costs $1,000 to $3,000 for straightforward estates and more for complex situations. Neptune offers a flat $3,000 estate planning bundle that covers the full coordinated process across documents, titling, and beneficiary designations.
How often should couples update their estate planning documents?
Review your documents regularly and after any major life change: marriage, a new child, a home purchase, a significant change in assets, or a move to a new state, since state law governs how your plan operates. Beneficiary designations in particular should be checked whenever your family or financial situation changes.
What is the difference between a healthcare power of attorney and a living will?
A healthcare power of attorney (healthcare proxy) names the person who makes medical decisions for you if you can't communicate. A living will (advance directive) documents your specific wishes about end-of-life care, such as resuscitation, life support, and organ donation. They work together: the living will gives your named agent written guidance to follow.
Written by
Ronke Oyekunle
Co-Founder & COO, Neptune