Which of the following actions may be considered vandalism under California law?

Painting graffiti on a public wall is considered vandalism under California law because it involves willfully damaging or destroying property that belongs to someone else. Vandalism encompasses acts that deface or defile property, which includes graffiti, as it alters the original condition of that property without the owner's consent. Under California Penal Code Section 594, vandalism can lead to criminal charges if the damage exceeds a certain monetary threshold or if the act is deemed particularly reckless or malicious.

In contrast, public intoxication pertains to being drunk in a public place and does not involve property damage, while defrauding a service provider involves deceit for financial gain, and trespassing refers to entering someone's property without permission. These actions may be criminal offenses but do not fall under the definition of vandalism as specified by California law.