Which of the following documents typically requires notarization in California?

Wills are documents that typically require notarization in California to ensure their authenticity and help prevent disputes over their validity after the testator's death. Notarization provides an additional layer of security by verifying the identity of the person signing the will and confirming that they are doing so willingly and without coercion. Although not all wills are required to be notarized in California—many can be valid if written and signed correctly without a notary—having a notarized will can strengthen its legal standing and streamline the probate process.

The other options, such as social media posts, bank statements, and emails, do not typically require notarization. These documents generally serve personal, informal, or administrative purposes, where notarization is not necessary for their validity. Thus, the process of notarization is particularly important for legal documents like wills, where the intent, authenticity, and clarity of the document can have significant implications.