If the address of the owner is not known, and cannot be ascertained by the exercise of reasonable diligence, a copy of the notice shall be mailed to him at the county seat of the county in which the property is situated.
Cal. Food & Agric. Code § 5424
Notice and Expense of Abatement Generally
Enacted by Stats. 1967, Ch. 15.
Official source: California Legislative Information. Reproduced from public-domain California statutes; confirm against the official source for the current text. Not legal advice.