What Is a Special Needs Trust in California - and Who Needs One?

Michael Benavides • July 12, 2026

Leaving money to a loved one with a disability can accidentally cut off their SSI or Medi-Cal. A special needs trust is how you help without doing harm.

A Caffeine Law deep-dive on a planning tool that quietly prevents a heartbreaking mistake: giving money to a loved one with a disability in a way that destroys the very benefits keeping them afloat. A special needs trust is how you help without doing harm.

Ava asked her husband, attorney Michael Benavides, to explain what a special needs trust is, who needs one, and the traps to avoid.

Ava: What problem does a special needs trust solve?

Michael, Esq.: A cruel one. Many people with disabilities rely on needs-based public benefits - Supplemental Security Income (SSI) and Medi-Cal - and those programs have strict asset limits, often around a couple thousand dollars. So if a well-meaning parent or grandparent simply leaves that person money, or they receive an inheritance or an injury settlement, the sudden assets can push them over the limit and cut off their SSI and Medi-Cal. A special needs trust holds those assets for the person's benefit without counting against the limits, so the benefits continue.

Ava: How does putting money in a trust avoid the asset limit?

Michael, Esq.: Because the assets are held by the trust, for the beneficiary's supplemental needs, rather than owned outright by the beneficiary. The key is that the beneficiary cannot just demand the money - a trustee controls distributions and uses them for things the public benefits do not cover: therapies, equipment, education, travel, a phone, personal care, quality-of-life items. Structured correctly, the trust is not a countable resource, so SSI and Medi-Cal stay intact while the trust pays for the extras that make life fuller.

Ava: You said "supplemental." Can the trust just pay for everything?

Michael, Esq.: This is the core rule: the trust supplements, it does not replace, public benefits. It is meant to pay for what the benefits do not. Distributions have to be handled carefully - for example, giving cash directly to the beneficiary, or paying for food and shelter the wrong way, can reduce SSI. A good trustee knows how to pay third parties for the right things so the benefits are preserved. That discipline is exactly why the trustee choice matters so much.

Ava: Are there different kinds of special needs trusts?

Michael, Esq.: Yes, and the difference is who funded it. A third-party special needs trust is funded with someone else's money - typically a parent or grandparent planning ahead, or leaving an inheritance through the trust instead of directly. A first-party (or self-settled) special needs trust is funded with the beneficiary's own money - most often a personal-injury settlement or an inheritance that came to them directly. They are treated differently, and one big difference is the payback rule.

Ava: What's the payback rule?

Michael, Esq.: A first-party special needs trust - funded with the beneficiary's own assets - generally must include a provision that, when the beneficiary dies, the state is repaid for the Medicaid/Medi-Cal benefits it provided, out of whatever is left in the trust. A third-party trust - funded by parents or others - does not require that payback, so the family can direct whatever remains to other loved ones. That is a major reason parents are urged to plan ahead with a third-party trust rather than leaving money to the child outright and forcing a first-party fix later.

Ava: Who actually needs to set one up?

Michael, Esq.: Two common situations. First, parents or grandparents of a child or adult with a disability who receives (or may receive) SSI or Medi-Cal - they should route any inheritance through a third-party special needs trust rather than leaving it directly, ideally built into their estate plan now. Second, a person with a disability who is about to receive a chunk of money - an injury settlement, a lump sum, an inheritance - who needs a first-party trust set up before it lands, so it does not knock out their benefits. Timing matters; it is much easier to plan before the money arrives.

Ava: What's the biggest mistake families make?

Michael, Esq.: Leaving money directly to a disabled loved one out of love - "I'll just put them in the will" - not realizing it can terminate the benefits they depend on and trigger a scramble to fix it. The second biggest is naming a trustee who does not understand the benefit rules and makes distributions that accidentally reduce SSI. Both are avoidable with planning and the right trustee. The goal is to add to their life, not jeopardize their safety net.

Ava: Bottom line?

Michael, Esq.: A special needs trust lets you provide for someone with a disability without knocking them off SSI or Medi-Cal. It supplements benefits rather than replacing them, a trustee controls distributions, and the type - third-party (no payback) versus first-party (Medicaid payback) - depends on whose money funds it. If you love someone who relies on needs-based benefits, plan with a trust before you leave or give them money.

How Caffeine Law / Michael Benavides Legal Can Help

If you want to provide for a loved one with a disability without risking their SSI or Medi-Cal - or a settlement or inheritance is coming that needs protecting - we can build the right special needs trust and coordinate it with your estate plan. Call or text 707-362-4166 for a free, confidential review.

Caffeine Law - Michael Benavides Legal | Michael Benavides, Esq., CA Bar No. 270714 | Sacramento, Stockton & Modesto | call/text 707-362-4166 | attorneymichaelbenavides.com

Attorney advertising. Ava is an editorial brand voice, not an attorney; only Michael Benavides, Esq. (CA Bar No. 270714) provides legal analysis. General legal information, not legal advice, and no attorney-client relationship is created by reading this. Special needs trusts and public-benefit eligibility rules (SSI, Medi-Cal/Medicaid, and first-party versus third-party trust requirements including the Medicaid payback provision) are technical, fact-specific, and may change - confirm current law and consult an attorney about your situation before funding or relying on a trust. Outcomes vary by facts and jurisdiction.

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