A California trust administration checklist gives successor trustees a clear roadmap through one of the most legally demanding roles in California law. When you accept this position after a loved one passes, you take on real fiduciary duties, firm deadlines, and personal liability. From securing trust assets on day one to closing the trust months later, every step in this process requires precision.
What Is Trust Administration in California?
Trust administration in California is the process of managing and distributing a decedent’s trust after death. Unlike a will, a properly funded trust bypasses probate court, allowing assets to transfer directly to beneficiaries without court involvement. The successor trustee takes on a fiduciary duty to follow the trust documents, pay valid debts, file required tax returns, and maintain thorough records. California imposes specific deadlines on trustees, and missing them can create serious personal liability.
Your California Trust Administration Checklist
The trust administration checklist California trustees rely on most covers nine core steps. Follow them in order.
Step 1: Gather Essential Documents
Collect all trust documents and estate planning documents, including the original trust agreement, any amendments, and the decedent’s will. Obtain 10 to 15 certified copies of the death certificate, as financial institutions, the county assessor, and government agencies each require an original. Compile account statements for all bank accounts and investment accounts, and list all trust property, including real property.
Step 2: Notify Beneficiaries and Heirs Within 60 Days
California Probate Code Section 16061.7 requires you to notify all trust beneficiaries and legal heirs within 60 days of the date of death. The notice must include a copy of the trust. Beneficiaries then have 120 days from the notice date to contest the trust. Send all notices by certified mail and keep proof of delivery.
Step 3: Obtain a Tax Identification Number (EIN)
After the grantor dies, the trust becomes a separate taxable entity and can no longer use the decedent’s Social Security number. Obtain an EIN from the IRS before opening a trust bank account, retitling assets, or filing the trust’s tax return or estate tax return.
Step 4: Inventory and Secure Trust Assets
Create an itemized inventory of all trust assets valued as of the date of death. This includes real estate, vehicles, bank accounts, brokerage accounts, business interests, and personal property. Formal appraisals are typically required for real property and business interests. Consult a financial advisor for guidance on managing investment assets during administration.
Step 5: Notify Creditors and Pay Valid Debts
Identify and notify known creditors of the grantor’s death. Pay valid debts, including mortgages and outstanding loans, before distributing trust assets to beneficiaries. Distributing assets before satisfying debts can expose you to personal liability.
Step 6: File Required Tax Returns
Tax obligations during trust administration include the decedent’s final income tax return, an annual fiduciary return (Form 1041) if the trust earns income, and the estate tax return (Form 706) if the estate exceeds the federal exemption threshold. Work with a CPA and your attorney to meet all deadlines.
Step 7: Maintain Trust Accounting and Records
California law requires trustees to keep accurate records of all trust transactions. Beneficiaries can request a formal accounting under California Probate Code Section 16062. Use dedicated bank accounts to keep trust finances separate from your personal accounts, and document every financial decision you make.
Step 8: Distribute Assets to Beneficiaries
Once debts are paid and taxes filed, distribute trust assets according to the trust’s terms. Record a deed for any real property transfers. Obtain signed receipts from each beneficiary confirming they received their distributions.
Step 9: Close the Trust
Provide beneficiaries with a final accounting and written notice of the trust’s termination. Under California law, beneficiaries have a set period to raise objections. Once that period passes, the trust closes, and your duties end. Retain all records for at least three to seven years.

Key Deadlines Every California Trustee Must Know
The successor trustee checklist California professionals recommend always includes a firm understanding of these legal deadlines.
Within 30 Days of Death
- Lodge the Original Will: California law (Probate Code § 8200) requires the custodian of the Will to lodge the original with the Superior Court in the county where the decedent resided.
- Secure Assets: Change locks on real property, secure vehicles, and ensure insurance policies (homeowners and auto) remain in effect to protect the trust’s value.
- Locate Trust Documents: Identify the most recent version of the trust and any amendments (codicils).
- Order Death Certificates: Order at least 10–15 certified copies; you will need these for every financial institution and government agency you contact.
Within 60 Days of Death
- Serve Statutory Notice: Under Probate Code § 16061.7, you must mail a formal notice to all legal heirs and named beneficiaries. This starts the 120-day clock for them to contest the trust.
- Obtain a Tax ID (EIN): The decedent’s Social Security number can no longer be used for trust business. Apply for a federal Employer Identification Number (EIN) for the trust via the IRS website.
- Notify Social Security: Confirm the Social Security Administration has been notified to stop payments. Any payments received for the month of death or later may need to be returned.
Within 90 Days of Death
- Open a Trust Bank Account: Use the new EIN and your Certification of Trust to open a dedicated account. Never mix trust funds with your personal funds.
- Marshal and Retitle Assets: Begin moving brokerage accounts, savings, and stocks into the name of the trust using the new EIN.
- Notify the County Assessor: File a “Change in Ownership Statement — Death of Real Property Owner” with the county for any real estate held by the decedent.
Within 150 Days of Death
- Inventory and Appraisal: Create a comprehensive list of all assets. For real estate or unique collectibles, hire a professional appraiser to determine the “date of death” value. This is critical for the “step-up in basis” to minimize future capital gains taxes.
- Address Creditor Claims: Identify outstanding debts. If you choose to publish a formal “Notice to Creditors” in a local newspaper, it forces creditors to file claims within 4 months, providing you with an earlier “clean slate.”
Within 9 Months of Death
- Federal Estate Tax Return (Form 706): If the estate value exceeds the federal exemption threshold, Form 706 and any taxes owed are due. Even if the estate is smaller, a surviving spouse may want to file to “elect portability” of the deceased spouse’s unused exemption.
- Preliminary Accounting: While a formal accounting is usually required annually, providing a status update to beneficiaries now helps prevent “information vacuum” litigation.
Within 1 Year of Death
- Statute of Limitations on Claims: Under Code of Civil Procedure § 366.2, most general creditor claims against a decedent expire one year after the date of death. This is often the point where a trustee feels safe making significant final distributions.
- File Final Personal Income Tax (Form 1040): File the decedent’s final income tax return for the portion of the year they were alive.
- File Trust Income Tax (Form 1041): If the trust earned more than $600 in income after the date of death, a fiduciary tax return is required
Common Mistakes Trustees Make During Trust Administration
Even careful trustees make costly errors. The most common include:
- Failing to send the required 60-day notice to beneficiaries and heirs
- Mixing personal funds with trust assets
- Distributing assets to beneficiaries before paying outstanding debts and taxes
- Failing to notify the county assessor about real property ownership changes
- Missing the 9-month IRS deadline to file Form 706

Do You Need an Attorney for California Trust Administration?
Trust administration in California is legally complex, and trustees carry personal liability for every decision they make. An attorney helps interpret trust documents, meet critical deadlines, manage tax obligations, and communicate with beneficiaries in a way that reduces disputes. For most successor trustees, legal counsel costs far less than the exposure that errors create.
Work With Ellingson Law for Trust Administration Support
At Ellingson Law, APC, we guide successor trustees through every stage of trust administration in California. We help you meet deadlines, communicate with beneficiaries, and close the trust properly. Whether you are just getting started or navigating a specific challenge, we provide the legal clarity you need.
Contact our Chico, California, office to schedule a consultation. We serve clients throughout Butte County and the surrounding areas. If you are planning ahead, we also assist with wills and trusts and business planning strategies designed to protect your family for generations to come.
Frequently Asked Questions
How Long Does Trust Administration Take in California?
Most trust administration in California cases take between six months and one year to complete. Estates with significant real estate holdings, business interests, or complex tax situations can take two years or longer. The 120-day beneficiary contest period, IRS processing times, property appraisals, and the 9-month deadline for Form 706 all affect the overall timeline. Simpler estates with limited trust assets and straightforward instructions typically wrap up faster. Working with an experienced attorney from the start helps keep the process moving and ensures no deadlines are missed.
What Are the Trustee’s Duties in California?
A California trustee has broad fiduciary duties under the California Probate Code. These include the duty of loyalty to beneficiaries, the duty to manage trust assets with prudence, the duty to keep beneficiaries informed, and the duty to maintain accurate accountings. Trustees must pay valid debts, file required tax returns, follow the trust documents, and distribute trust property according to the trust’s terms. Failure to meet these duties can result in personal liability, removal by probate court, and legal action from beneficiaries under California law.
Do I Need a Lawyer to Administer a Trust in California?
California law does not require a trustee to hire an attorney, but trust administration in California involves strict legal deadlines, complex tax obligations, and fiduciary duties that carry real personal liability. An attorney ensures statutory notices are properly served, tax return deadlines are met, real property transfers are correctly recorded with the county assessor, and the trust closes properly. For most trustees, the cost of legal guidance is far lower than the financial exposure that mistakes or missed deadlines can create.
What Happens If a Trustee Misses a Deadline in California?
Missing deadlines during trust administration carries serious consequences. Failing to send the 60-day notice extends the period during which beneficiaries can contest the trust. Missing the 9-month IRS deadline for an estate tax return (Form 706) results in penalties and interest. Delays in notifying the county assessor about real property ownership changes can forfeit valuable reassessment protections. In cases of ongoing negligence, a beneficiary can petition probate court to have the trustee removed and held personally liable.
Can a Beneficiary Remove a Trustee in California?
Yes. Under California law, a beneficiary can petition probate court to remove a trustee for breach of fiduciary duty, mismanagement of trust assets, failure to follow the trust documents, conflicts of interest, or persistent failure to communicate. Courts take these petitions seriously and require evidence of misconduct or incompetence. Trustees who follow this California trust administration checklist, keep transparent records, and respond promptly to beneficiary inquiries substantially reduce the risk of removal and the legal costs that accompany it.