Cal. Health & Safety Code § 33420.2

Within a project area, an agency may take any actions that the agency determines are necessary to remove graffiti from public or private property upon making a finding that, because of the magnitude and severity of the graffiti within the project area, the action is necessary to effectuate the purposes of the redevelopment plan, and that the action will assist with the elimination of blight, as defined in Section 33031.