CA · POA · Updated July 2026 · Free
California Power of Attorney
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California at a glance: Governing Law: Cal. Prob. Code §§ 4000–4545 · Notarization: Required (or two witnesses, if principal cannot sign) · Witnesses Required: 2 witnesses (alternative to notarization)
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Overview
Powers of Attorney in California
California's Power of Attorney law is governed by the California Probate Code, Division 4.5 (Sections 4000–4545). California uses a statutory form for durable financial POAs. The California Uniform Statutory Form Power of Attorney provides broad financial authority.
California also has a separate Advance Health Care Directive for medical decisions. A financial POA in California must be notarized or signed in front of two witnesses. Banks and institutions may still require their own forms.
Key Facts
California Power of Attorney — Quick Reference
| Requirement | California Rule |
|---|---|
| Governing Law | Cal. Prob. Code §§ 4000–4545 |
| Notarization | Required (or two witnesses, if principal cannot sign) |
| Witnesses Required | 2 witnesses (alternative to notarization) |
| Durability Language | "This power of attorney shall not be affected by subsequent incapacity..." |
| Medical Decisions | Separate Advance Health Care Directive required |
| Statutory Form | Cal. Prob. Code § 4401 |
Legal Requirements
California Legal Requirements
- Must be signed by the principal (or at their direction) in the presence of a notary public or two adult witnesses.
- Witnesses cannot be: the agent, the principal's health care provider, or anyone who would benefit from the estate.
- For durability, must include specific statutory language that the POA survives incapacity.
- Agent has fiduciary duties to act in the principal's best interest.
- Separate Advance Health Care Directive needed for medical decisions.
Governing Laws
California Governing Laws
Cal. Prob. Code § 4401
Statutory Form Power of Attorney
Provides California's statutory form for a durable financial power of attorney. Using this form creates a presumption of validity.
Cal. Prob. Code § 4124
Durability Requirement
Specifies the language required to make a California POA durable (effective during incapacity).
Read the full text of these laws at Cornell Law School's California legal resources or your state legislature's official website.
Questions & Answers
California Power of Attorney — Frequently Asked Questions
Does a California Power of Attorney need to be notarized?
Yes. A California financial POA must be signed before a notary public. Alternatively, it can be signed before two adult witnesses who are not the agent and who meet other eligibility requirements. Notarization is generally recommended as banks prefer it.
Can a California POA authorize someone to make medical decisions?
No. In California, medical decisions require a separate Advance Health Care Directive (AHCD). A financial POA does not cover healthcare decisions.
Can a California bank refuse to honor a Power of Attorney?
Banks can request a certification that the POA is still valid and that the agent is acting within the scope of their authority. If the POA is old or the bank has concerns, they may request a more current document or their own internal form.