An irrevocable trust can be changed under California law. There are four primary ways of terminating an irrevocable trust, including by consent, by decanting, through nonjudicial settlement agreements, and court petitions under the California probate code. Knowing which option is the right fit for your situation requires an understanding of California law and the specifics of your situation.
At Filippi Law Firm, P.C., our California estate law attorneys help you create a comprehensive estate plan and review it along the way. Get in touch today if any of these 12 triggers (or other major life changes) have happened to you.
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Why Irrevocable Trusts Get Changed
Most requests to modify an irrevocable trust occur during its administration. This is especially common when a successor trustee discovers:
- Outdated tax planning
- Impracticable distribution terms
- Provisions that no longer work
California law recognizes that circumstances change, and Probate Code §§15400–15414 provide multiple mechanisms to update, fix, or unwind irrevocable trusts when needed.
Four Legal Routes to Changing an Irrevocable Trust in California
1. Modification or Termination by Consent (Prob. Code §§15403–15404)
If all beneficiaries consent, and the modification does not defeat a material purpose of the trust, the trust can often be changed without court involvement. When the settlor is still living, their consent may also be required. This is the simplest and least expensive route, but unanimity is mandatory.
2. Trust Decanting (Prob. Code §19501 et seq.)
California adopted the California Uniform Trust Decanting Act, allowing an “authorized fiduciary” (usually the trustee) to move assets from an existing irrevocable trust into a new trust with updated terms. Decanting is powerful but limited:
- The trustee must provide statutory notice to beneficiaries before decanting.
- The trustee cannot expand beneficial interests or add new beneficiaries.
- Certain tax‑sensitive trusts may suffer adverse tax consequences if decanted.
3. Nonjudicial Settlement Agreements (NJSAs)
California will allow parties to fix certain trust issues with a written agreement, without having to go to court. This can help approve certain actions, clarify any ambiguities, or even adjust administrative terms. They can’t be used to make any change that would violate a material purpose of the trust, or alter beneficial interests. These are really meant for administrative fixes, not big structural rewrites.
4. Court Petition for Modification (Prob. Code §§17200 & 15409)
If the beneficiaries can’t agree, and if the purpose of the trust isn’t clear, the trustee or a beneficiary can ask the probate court for a modification.
Under Probate Code §15409, the court may modify an irrevocable trust if:
- The settlor did not anticipate the circumstances now making the trust impractical or inefficient, and
- Modification will further the trust’s purpose.
This is the route used to unwind outdated bypass trusts, correct drafting errors, or resolve beneficiary disputes. In Placer County, these petitions are heard in the Placer County Superior Court probate department.
Comparing Your Options
| Route | Who Can Use It | What It Can Change | Typical Cost Range |
|---|---|---|---|
| Beneficiary Consent (15403–15404) | All beneficiaries must agree | Administrative terms; sometimes distribution terms | Lowest |
| Decanting (19501 et seq.) | Trustee/authorized fiduciary | Administrative terms; limited distribution changes | Moderate |
| Nonjudicial Settlement Agreement | Trustee + affected beneficiaries | Administrative issues only | Low–Moderate |
| Court Petition (17200 / 15409) | Trustee or beneficiary | Administrative or distribution terms; dispute resolution | Highest |
FAQs
1. Does “irrevocable” really mean it can’t be changed?
No. California law provides multiple avenues for modification, especially when circumstances have changed or the trust’s purpose is being frustrated.
2. Can beneficiaries block a modification?
Yes, if unanimity is required (such as under §§15403–15404). When beneficiaries disagree, a court petition under §15409 may be necessary.
3. When is decanting better than a court petition?
Decanting is ideal for administrative updates, modernizing trustee powers, or correcting technical issues. It is not appropriate when beneficial interests must change or when tax consequences would be harmful.
4. Can an outdated A/B bypass trust be modified or unwound?
Often yes. Many older bypass trusts no longer provide tax benefits and create administrative burdens. These are commonly modified or terminated through consent or §15409 petitions.
5. How long does a modification take?
Consent‑based changes may take weeks. Decanting requires statutory notice periods. Court petitions can take several months depending on the probate department’s calendar.
6. Does modifying a trust affect taxes?
Possibly. Some changes, especially decanting, can trigger income tax, estate tax, or GST consequences. Tax review is essential before choosing a route.
You Can Still Change an Irrevocable Trust in California
Changing an irrevocable trust in CA requires very specific steps. This can be complicated on your own, but is made much simpler with a knowledgeable attorney at your side.
Let the dedicated estate planning attorneys at Filippi Law Firm, P.C. review your case. Contact us today for a consultation.
