When Should You Update Your California Estate Plan?

Estate plans rarely fail because the drafting was wrong. They fail because the family changed and the paperwork did not. The documents keep saying what was true in 2016 while the people, the property, and the law all move on.

Written by Trust Law Legacy Group, APC, an Estate Planning, Trust & Probate Law Firm in San Jose, California. Reviewed by Gerald Smith, Esq., Litigation Attorney. Updated August 2026.

The Events That Should Trigger a Review

Some changes are obvious and some are not. These are the ones that most often make an existing California plan stop doing what its owners think it does:

• Marriage or divorce: yours, or that of a named beneficiary, trustee, or guardian.
• A birth, adoption, or death in the family, including the death of anyone you named to serve in a role.
• Buying, selling, or refinancing real property. A refinance is the sleeper on this list.
• Moving into or out of California. Community property rules and document formalities do not travel identically between states.
• Starting, selling, or restructuring a business.
• A significant change in wealth in either direction: an inheritance, a liquidity event, or a serious loss.
• A change in someone’s health, particularly a beneficiary who may need benefits-sensitive planning.

Divorce: What California Revokes and What It Doesn’t

California law automatically revokes many will and trust provisions in favor of a former spouse once a marriage legally ends. That is a useful safety net, and it makes people complacent.

What it does not reach is the paperwork held by third parties. A retirement plan, a life insurance policy, and a payable-on-death bank account all pay according to the beneficiary form on file with that institution. If the form still names a former spouse, that is very often who receives the money, regardless of what the will says.

Divorce is the single most common reason we see an estate distributed to someone the person clearly did not intend.

Property: Proposition 19 Changed the Math

For California families, Proposition 19 took effect on February 16, 2021 and narrowed the parent-child exclusion from property tax reassessment considerably.

Before Prop 19, a parent could generally pass a primary residence to a child without reassessment, plus a substantial amount of other property. After Prop 19, the exclusion applies far more narrowly: the child generally must make the home their own principal residence, and there is a cap above which partial reassessment applies. Rental properties, second homes, and vacation properties no longer qualify the way they once did.

If your plan was written before 2021 and it assumed the old rules, especially if it leaves a rental property to children expecting no tax consequence, the assumption behind it no longer holds. This is one of the clearest examples of a plan that is legally valid and practically out of date.

Beneficiary Designations Quietly Override Your Trust

This is the most common gap we find, and it has nothing to do with the quality of the documents.

Retirement accounts, life insurance, annuities, and payable-on-death accounts pass by contract to whoever is named on the form. They do not read your trust. A carefully drafted plan can be entirely bypassed by a beneficiary form filled out at a bank in 2009 and never looked at again.

Pull every form. Confirm the primary and the contingent beneficiary on each one. It is an afternoon of phone calls and it resolves more real risk than most legal edits.

The Funding Gap: Assets Acquired After Signing

A living trust only controls what it actually holds. Every account opened, property purchased, or business interest acquired after the trust was signed sits outside the plan until someone deliberately moves it in.

Refinancing deserves its own warning here: many lenders require the property to come out of the trust to close, and unless a deed is recorded afterward putting it back, the family home, usually the largest asset in the plan, ends up outside the trust. How to check and fix that is worth reading if you have refinanced at any point.

For a fuller inventory, see how to check that your plan still matches your finances.

How Often Is Often Enough

Every three to five years is a reasonable rhythm for a plan with no triggering events, and immediately after any event on the list above.

A review is not the same as a rewrite. Most reviews end with no changes to the core documents and a short list of administrative fixes: a deed to record, a beneficiary form to correct, a successor trustee to replace. That is the review working.

Frequently Asked Questions

How often should a California estate plan be reviewed?

Every three to five years as a baseline, and immediately after a marriage, divorce, birth, death, property purchase or sale, move into or out of California, business change, or significant change in wealth.

Does divorce automatically remove my ex-spouse from my estate plan?

Partly. California law revokes many will and trust provisions in favor of a former spouse once the marriage legally ends. It does not change beneficiary designations held by third parties, so retirement accounts, life insurance, and payable-on-death accounts often still name a former spouse until you update the forms yourself.

What did Proposition 19 change for California families?

Proposition 19 took effect February 16, 2021 and significantly narrowed the parent-child exclusion from property tax reassessment. The exclusion now generally requires the child to use the property as their own principal residence and is capped, and properties like rentals and second homes no longer qualify as they did before. Plans written before 2021 may be relying on the older rules.

Do I need a whole new estate plan, or just an update?

Usually just an update. Most reviews end in administrative corrections rather than new documents: a deed to record, a beneficiary form to fix, or a successor trustee to replace. A full restatement is typically reserved for a major change in family structure, assets, or the law.

What is the most common problem found during a review?

Beneficiary designations and trust funding. Accounts opened after the trust was signed, and beneficiary forms never updated after a divorce or a death, account for most of the gaps we find, and both are fixable without redrafting anything.

Key Takeaways

• Review every three to five years, and immediately after any major life or property event.
• Divorce revokes many will and trust provisions in California but does not touch third-party beneficiary forms.
• Proposition 19 narrowed the parent-child property tax exclusion as of February 16, 2021.
• Beneficiary designations pay by contract and can override an otherwise well-drafted plan.
• A trust only controls what it holds; assets acquired after signing need to be moved in.

About the Firm

Trust Law Legacy Group, APC is an estate planning, trust, and probate law firm in San Jose, California, serving families across Santa Clara County and the greater Bay Area. Our team includes a State Bar of California-certified specialist in Estate Planning, Trust and Probate Law.

This article is general information about California law, not legal advice, and reading it does not create an attorney-client relationship. Every family’s situation is different. Talk to a lawyer about yours.