Estate Planning: Community vs. separate property in California estate planning

Oct 16, 2025 | Estate Planning

Estate planning document and pen on desk

When it comes to estate planning in California, one of the most important things to understand is the difference between community property and separate property. Because California is one of only a handful of community property states, how your property is classified can make a big difference in what happens to it during your lifetime and after you pass away.

Community property generally includes anything you and your spouse acquire while you are married. This can be wages, savings, real estate or investments purchased with income earned during the marriage. Even if only one spouse’s name is on the account or deed, California law still considers the property to be owned equally by both.

That means each spouse owns one-half interest their community property. At death, you can only give away your own half of the community property through a will or trust. The surviving spouse automatically keeps their half.

Separate property is different. It includes assets you owned before marriage, as well as inheritance or gifts you receive while married. Income and growth from separate property usually stay separate, as long as the funds are not mixed together with community property. For example, if you inherit money and keep it in an account under your own name, it should remain separate. But if you deposit it into a joint account and it becomes impossible to tell which funds are which, the money may be treated as community property.

Control is one of the biggest differences between the two. With community property, one spouse cannot sell or give away the other spouse’s half without permission. At death, you can only control what happens to your share. With separate property, you have full control to decide what happens to it both during life and after death. This distinction often surprises people; for example, someone might think they can leave the entire family home to their children but, if the home is community property, only their one-half share can be passed on.

Community property also comes with a valuable tax advantage. When one spouse dies, both halves of the community property receive what’s called a “step-up in basis” to the current market value. This can save the surviving spouse or heirs thousands of dollars in capital gains taxes if the property is later sold. Separate property only gets a step-up for the portion belonging to the spouse who passed away.

Good documentation is also critical. If records are missing or funds have been mixed together, the law presumes property acquired during marriage is community property. This can lead to costly disputes in court and delay the distribution of assets.

Understanding community vs. separate property is not just a legal technicality – it’s a key part of protecting your family and making sure your wishes are carried out. With proper planning and good records, you can reduce taxes, avoid disputes and give your loved ones peace of mind.

Send your questions to ccolan@colanlegal.com and use “Alpine Mountaineer estate planning question” as the subject. We’ll answer your questions in our upcoming issues. This article is provided by your local estate planning attorney, Corina Colan. The Law Office of Corina I. Colan / (909) 265-3315 / www.colanlegal.com

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