About Petition for Appointment of Probate Conservator (Probate—Guardianships and Conservatorships)
This form is used to petition the California Superior Court to appoint a probate conservator of the person and/or estate of a proposed conservatee who is unable to provide for their personal needs or manage their financial resources.
When you'd use it: Filed when an interested party seeks to have a court appoint a conservator (initial, successor, or limited) over an adult who cannot adequately care for themselves or their estate due to incapacity or inability to resist fraud or undue influence.
Where to get the official form
The official version of Petition for Appointment of Probate Conservator (Probate—Guardianships and Conservatorships) is published as a PDF by the California courts. We checked this link and it resolved to a form on an official court or government website — always download the current version directly from the source rather than a third-party copy:
Source: courts.ca.gov
Link last checked: May 30, 2026
How to file Petition for Appointment of Probate Conservator (Probate—Guardianships and Conservatorships) in California
- Step 1 — Confirm you have the correct formUse Petition for Appointment of Probate Conservator (Probate—Guardianships and Conservatorships) (GC-310) when filed when an interested party seeks to have a court appoint a conservator (initial, successor, or limited) over an adult who cannot adequately care for themselves or their estate due to incapacity or inability to resist fraud or undue influence. Double-check it's the right form for your situation — California probate forms are revised periodically, so verify the name and number against your court's current form list before you start.
- Step 2 — Complete every required fieldFill out Petition for Appointment of Probate Conservator (Probate—Guardianships and Conservatorships) carefully and review it for errors before filing. Probate cases can already take months — a small mistake on the form can set your timeline back further.
- Step 3 — Get it notarized or witnessed if requiredSome probate forms must be signed in front of a notary or witnesses. Check the instructions on the form itself, and arrange notarization before you file if it's required.
- Step 4 — File it with the correct courtSubmit Petition for Appointment of Probate Conservator (Probate—Guardianships and Conservatorships) to the probate court or county clerk handling the estate — usually in the California county where the deceased lived. Ask the clerk how they prefer to receive filings (in person, by mail, or e-filing).