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Irrevocable Trusts in California: Protect Your Family and Control Inheritance
With blended families in Santa Clara County, California, one of the biggest estate planning risks is losing control over how your assets are distributed after you pass away. Without the right protections in place, a surviving spouse can legally redirect assets—potentially disinheriting your blended children. An irrevocable trust prevents these changes by locking in your wishes, protecting your estate, and ensuring your children receive their intended inheritance. In this guide, a California trust attorney explains how irrevocable trusts work, why they matter, and the key duties a trustee must follow.

How Irrevocable Trusts Protect Blended Families in Silicon Valley
I now draft different kinds of trusts. What we have in this valley a lot of times is what we call a blended family. We have the spouse dies, but they each have kids from prior marriages. So what we have now is the decedent’s estate; we want to protect it, so we put it into a trust that is irrevocable. What we mean by that is that the surviving spouse cannot change it.
We don’t want the situation where I have a couple come in, and they say to me, okay here is what we want to do with the kids, but you know what, I love her kids; she loves my kids. One of them dies, and they come in, and they say, ” Well, I really don’t love their kids. Definitely, the decedent loved their kids. So that trust now becomes irrevocable. The survivor’s side is revocable, so they can change it. But the decedent’s side cannot change. That’s important in a blended family.
Trustee Duties Under California Law: What Santa Clara County Families Should Know
Now we come up with the duties of a trustee. That surviving spouse, depending on how we have written that trust, has certain duties. They have to run the trust the way we drafted it, which means, typically, that they are going to get from that trust all the income. They are not going to be able to change it and give it away to their kids. This is all part of the trust administration process.
They have a duty to take income. We will usually put in language that allows them to take out principal, if they need it, for their health, education, maintenance, or support. We do want to take care of our spouse. That is a standard request by married couples – you’re married, so I’d hope you love your spouse, and you would want to take care of them whether you are alive or deceased.
We can draft the trust so that we can protect that surviving spouse and make sure they can maintain their standard of living, and make sure that if they need help, they can get it. But at the same time, our goal is to protect the children of the decedent to make sure they are not, shall we say, disinherited or manipulated by a surviving spouse so that they don’t get their share from their parent.
It works to the benefit of everyone that we protect both sides. In this valley, we have a very high rate of divorce, and we have a very high rate of blended families, so that is a very important facet of estate planning.
What Happens in Santa Clara County If You Don’t Have an Irrevocable Trust?
If you don’t have an irrevocable trust and just say okay I leave it all to my spouse, now what are you doing? You have now left it, so the spouse has absolute control. At some point, that spouse may remarry and want to give it away to a new spouse, or figure out – your kids are not my kids, I don’t have that relationship with them, and even though we talked about giving it all to the kids, I don’t want to.
They go to a lawyer, and the lawyer says, ” Well, he left it, or she left it all to you, you can do whatever you want.” I get some very sad families when they come in, and the kids are crying, saying this is ridiculous – how could my Dad or my Mom not take care of us like this? It happens all the time.
Benefits of Irrevocable Trusts for Asset Protection in Santa Clara County
The fact that we do a trust where it splits and part of it becomes irrevocable is not a penalty to the spouse. It is protection for both ways because you do not know which spouse is going to die first, so you want to make sure each of them protects their family.
Santa Clara County Irrevocable Trusts FAQs
Do I need an irrevocable trust in Santa Clara County, California?
If you have a blended family, significant assets, or want to ensure your children receive their inheritance, an irrevocable trust can provide strong protection. In Santa Clara County, where property values are high, trusts are commonly used to prevent disputes and control how assets are distributed after death.
Can a surviving spouse override an irrevocable trust in California?
No. Once a portion of a trust becomes irrevocable after a spouse passes away, the surviving spouse cannot change those terms. This is especially important for families in Santa Clara County who want to protect children from prior marriages.
How are irrevocable trusts handled in Santa Clara County probate cases?
Assets properly placed in an irrevocable trust typically avoid probate in Santa Clara County. This means faster distribution, more privacy, and lower court involvement compared to assets passed through probate.
What are the duties of a trustee under California law?
A trustee must follow the terms of the trust, act in the best interest of beneficiaries, and properly manage trust assets. In California, this includes handling income distributions and, in some cases, principal distributions for health, education, maintenance, and support.
What happens if I leave everything to my spouse without a trust?
If you leave assets outright to a spouse, they generally have full control and can change who inherits those assets. This can lead to unintended disinheritance of children—something many Santa Clara County families want to avoid.
Are irrevocable trusts only for wealthy families in Silicon Valley?
No. While many high-net-worth families in Silicon Valley use irrevocable trusts, they are also valuable for middle-income families who want to protect their children and avoid future conflicts.
Scott N. Carter is a partner in a boutique San Jose law firm, Carter, Dougherty & McGuire. The firm’s business principles are driven by the needs of its clients. They are certified specialists in taxation, probate, estate planning, and trust law. If you need help with irrevocable trusts or to understand the duties of a trustee, Scott can be reached at 408-241-2121.