What Documents Can Be Apostilled in California?

Quick answer: California Apostilles can authenticate qualifying California public-official signatures on public records and properly notarized or certified documents. Common requests include certified vital records and private documents with a required notarization, but a document’s name alone does not establish eligibility. Check its origin, issuer, and signature; federal, other-state, and foreign documents may need a different authority.

Key facts

• A California Apostille authenticates a public official’s signature, official capacity and, when appropriate, seal or stamp; it does not validate the document’s contents.
• The California Secretary of State’s mail instructions say photocopies are not acceptable for that mail request.
• A California notary cannot notarize or certify a birth, death or marriage certificate.
• A document name does not by itself establish its authentication path or foreign acceptance.
• Book CA Notary is a private courier/service provider; the California Secretary of State decides whether to issue an Apostille.

Start with the document’s origin, the person or office that issued or signed it, and the exact signature or certification shown on the original. Then identify which authority can authenticate that signature. A title such as “diploma,” “power of attorney,” “court record,” “business document” or “affidavit” does not by itself establish the route.

The California Secretary of State describes its Apostille service as authenticating California public officials’ signatures on documents for use outside the United States. Its mail instructions also describe submitting an original notarized and/or certified document and say a photocopy is not acceptable for that mail request. Those instructions describe a submission path; they do not promise that every document in a named category will be accepted or receive an Apostille. The actual document and signature must meet the applicable requirements.

California public-official documents. A California-issued or California-signed public document may follow the California Secretary of State route when the particular signature/certification is one the Secretary of State can authenticate. “Government document” alone is not enough: identify the official, office and signature shown, then compare them with current instructions.

California vital records. The Secretary of State’s Apostille FAQ lists specific signature routes for California birth and death certificates and describes additional certification steps for certain local health-officer or registrar signatures. Check the actual signer and the current FAQ. The California Notary Public Handbook says a California notary cannot notarize or certify a birth, death or marriage certificate. This guide does not treat every marriage record or every vital-record copy as automatically eligible.

Original notarized or certified private documents. The Secretary of State’s mail instructions include original notarized and/or certified documents. A privately signed affidavit, power of attorney or business paper is not automatically accepted because of its title or because it was notarized. Confirm the receiving party’s actual requirement and the notarial/certification details, then ask the responsible authority about the specific document.

Court, county, education and business records. These labels cover documents created and signed in different ways. A court order, court-certified copy, school record, diploma, company record and privately signed business document may present different signers and certifications. Do not treat any one of these category names as a universal “yes.” Identify the signature/certification and ask the California Secretary of State or issuing office whether its current route applies.

These categories help identify what to check. They are not a list of guaranteed Apostille approvals.

California document or signature. For a document bearing a California public official’s signature, consult the California Secretary of State’s current requirements for that signer and document. A document’s presence in California does not, by itself, make California the correct authentication authority.

Document from another U.S. state. If another state issued the record or its public official signed it, check that state’s authentication authority. California’s published Apostille service concerns signatures within California’s authority; do not assume it authenticates another state’s official signature.

Federal document. A federal official’s signature follows the U.S. Department of State’s federal authentication process when that process applies. The federal route is separate from California’s route for California signatures. Check the Department of State’s current instructions for the exact document and signer.

Foreign-issued document. Ask the authority responsible for the issuing country’s document. The Hague Conference on Private International Law explains that Apostilles are issued and verified by designated Competent Authorities under the Apostille Convention. A California Apostille is not a universal authentication route for a foreign signature.

The California Secretary of State’s Apostille FAQ says an Apostille authenticates a public official’s signature, the official’s capacity and, when appropriate, the seal or stamp. An Apostille does not validate the truth or contents of the underlying document.

Government issuance and foreign acceptance are separate decisions. The California Secretary of State decides whether its requirements for issuing an Apostille are met. The destination authority or recipient decides what document, authentication, format or translation it requires for its own purpose. An Apostille does not guarantee acceptance abroad. Ask the actual recipient or destination authority before ordering or submitting a document; requirements can differ by country, organization and use.

No universal notarization step applies to every document. Some documents may follow a qualifying public-official signature or certification route; a private document may involve a notarial signature when notarization is actually required. A notary’s act does not by itself guarantee that the California Secretary of State will accept the document or issue an Apostille.

A California notary cannot notarize or certify a birth, death or marriage certificate. Do not ask a notary to certify the vital record itself. The California Secretary of State’s current instructions and the document recipient’s requirements determine the next question for the specific document.

For the distinction between certified records and private documents, read whether notarization is needed before a California apostille.

1. Ask the intended recipient. Confirm whether the recipient requires an Apostille, another authentication, a particular version of the document or a translation. Do not assume a requirement from the document’s title or destination country alone.
2. Identify where the document was issued. Record the state, country or federal agency, and the issuing office.
3. Identify the signer and certification. Read the signer’s printed name and title; note whether the record has an agency certification or a notarial certificate.
4. Contact the authority responsible for that signature. For a qualifying California signature, check the California Secretary of State’s current instructions. For an applicable federal signature, check the U.S. Department of State. For another state or a foreign-issued document, contact the issuing jurisdiction’s responsible authority.
5. Check the submission instructions for the exact document. The California Secretary of State’s mail instructions say photocopies are not acceptable for that mail request. Confirm what original or certified form is required before sending anything.
6. Keep issuance and acceptance separate. The authentication authority decides whether it can issue an Apostille; the recipient decides what it will accept.

• “The title is on a list, so my document qualifies.” A category label does not verify the document’s origin, signer, certification or the Secretary of State’s requirements.
• “I should notarize every document first.” Notarization is not a universal prerequisite, and a California notary cannot certify a birth, death or marriage certificate.
• “An Apostille approves the document’s contents.” An Apostille authenticates a signature, capacity and, when appropriate, a seal or stamp; it does not validate the statements in the document.
• “If the document is in California, California can authenticate it.” The issuing jurisdiction and signature authority matter. Federal, other-state and foreign documents may follow a different route.
• “An Apostille guarantees that the recipient will accept the document.” The recipient or destination authority decides its own requirements.

Book CA Notary is a private California Apostille courier/service provider. Book CA Notary does not issue Apostilles, decide government eligibility, control government processing or determine whether a foreign recipient will accept a document. If a request is within BCN’s service capabilities, BCN may assist with the private courier portion; a request does not guarantee that a document qualifies or that the California Secretary of State will issue an Apostille.

If the receiving party has confirmed that a private document needs a notarial act, learn about mobile general notarization appointments. Book CA Notary does not choose the notarial act for the signer, and notarization does not automatically establish Apostille eligibility.

For the company’s California Apostille courier service, review the specific document and applicable authority instructions first. To share the document type, origin, signer and intended destination for consideration, submit a service request.

These primary sources describe government authentication processes and document rules. They do not endorse Book CA Notary. Check the current instructions with the authority responsible for the specific document and signature before submitting it.

• California Secretary of State: Request an Apostille — scope of California Apostille requests and current mail-submission instructions, including original documents and photocopy limits.
• California Secretary of State: Apostille Frequently Asked Questions — what an Apostille authenticates and listed signature routes for California birth and death certificates.
• California Secretary of State: 2026 Notary Public Handbook — California notary restrictions concerning birth, death and marriage certificates.
• U.S. Department of State: Prepare a Document for an Apostille Certificate — the separate federal authentication process for applicable federal signatures.
• Hague Conference on Private International Law: Apostille Section — designated Competent Authorities under the Apostille Convention.