Estate Planning for Young Families: Protect Your Future Today

Short answer: A young family’s estate plan needs, at minimum, a will that nominates a guardian for your minor children, either a will-based plan or a funded revocable living trust that controls how your assets pass, and financial and health care power of attorney documents for incapacity, not just death. Skip the will and California’s intestate succession statutes decide who inherits, not you (Prob. Code § 6400). Skip the step of actually funding the trust and probate still applies even if you signed trust paperwork years ago. None of this has to be complicated, but it has to get done, and get done correctly.

What happens to my kids if we both die without a plan?

If you die without a will in California, the intestate succession statutes decide who inherits, not your wishes (Prob. Code § 6400). For community and quasi-community property, a surviving spouse takes all of it, their own half plus the half that belonged to the spouse who died (Prob. Code § 6401(a)-(b)). For separate property, the surviving spouse’s share depends on who else survives: all of it if there are no children, parents, or siblings; half if there is one child or that child’s descendants, or no children but a surviving parent or sibling; a third if there are two or more children (Prob. Code § 6401(c)). If nothing passes to a spouse, or you are unmarried, the estate moves down a fixed line: children first, then their descendants, then parents, then siblings, and outward from there (Prob. Code § 6402).

Stepchildren who were never legally adopted, and unmarried partners, generally inherit nothing under intestate succession (Prob. Code §§ 6401 through 6402). If your household includes a stepchild you have not adopted, or a partner you have not married, that gap does not fix itself. It has to be addressed directly in a will or trust.

None of the intestate succession rules say who raises your children if you and your co-parent die together. That is a guardian nomination, and it lives in a will. Without one, a court decides based on its own read of the children’s best interest, not necessarily the person you would have picked.

Will, trust, or both, and what does skipping it cost?

A will requires probate to take effect. It does not avoid probate, it only becomes operative once a court validates it. A funded revocable living trust is the tool that passes assets to your beneficiaries outside of probate. Probate is a public, court-supervised process; a properly funded trust is private and generally keeps a court out of your family’s affairs.

The word “funded” is doing real work in that sentence. A trust that never receives your assets, meaning your house, accounts, and other property are never retitled into the trust’s name, does not avoid probate for those assets. Signing a trust or will and leaving the deed to your house in your own name accomplishes close to nothing.

Most California probate cases run 9 to 18 months from the date the court appoints a personal representative. On a $1,000,000 gross estate, roughly the value of a paid-down Southern California home plus retirement accounts, the statutory fee schedule produces $23,000 for the executor and a separate $23,000 for the estate’s attorney: $46,000 in ordinary fees before court costs, bond, or anything extraordinary (Prob. Code §§ 10800, 10810). That comes out of the estate before your kids see any of it.

How do we pick guardians without guessing?

Choose based on values and stability, not just who you like best. Look at the potential guardian’s age relative to your children’s ages, their financial situation, their parenting approach, and whether they are actually willing to take this on. A sibling you are close to is not automatically the right choice if their life circumstances make raising your kids impractical.

Have the direct conversation before you name anyone. Ask, do not assume. Name at least one alternate in case your first choice later becomes unable to serve. And separate the fiduciary decisions from the parenting decision if that fits your family better: the person raising your kids does not have to be the same person managing the money you leave for them.

What about incapacity, not just death?

A plan built only for death leaves a gap. If a parent is alive but unable to make decisions, whether from an accident, an illness, or something else, someone still needs legal authority to act on their behalf for medical and financial matters. That authority comes from a financial power of attorney and a health care directive, signed while you are competent to sign them.

Without those documents in place, your family may have to go to court to get someone appointed to act for you, which is slower, more public, and more expensive than signing the documents in advance would have been. These are standard components of a complete estate plan alongside the will or trust, not an afterthought.

When do we update the plan?

Marriage, divorce, the birth or adoption of a child, a move out of California, or a major change in what you own are all reasons to pull your documents back out. A guardian nomination made when your oldest was a newborn may not reflect who you would choose ten years later. A trust that does not yet hold title to a home you bought last year is not protecting that home.

Barring a major life event, a periodic look every few years is reasonable. The goal is not perfection on day one, it is making sure the documents still match your actual family and your actual assets.

Figures verified July 2026.

What to do next

If you do not have a will that nominates a guardian, that is the most time-sensitive gap to close, regardless of what else your plan includes. From there, decide with an estate planning attorney whether a will alone or a funded living trust fits your family’s assets and goals, and make sure your power of attorney and health care directive are signed at the same time. Estate planning for a young family does not need to be complicated, but it needs to actually be finished, not just started.