California CodesCivil Code - CIVDivision 2 — PropertyPart 4 — Acquisition of PropertyTitle 4 — TransferChapter 2 — Transfer of Real PropertyArticle 1.5 — Disclosures Upon Transfer of Residential PropertySection 1102.6k

(a) In addition to any other disclosure required pursuant to this article, it shall be the sole responsibility of a seller of a single-family residential property subject to this article who has actual knowledge of the existence of any residue from smoking tobacco or nicotine products, or any history of occupants smoking tobacco or nicotine products on the property, to disclose that knowledge to the buyer in writing.

(b) For purposes of this section, the following apply:

(1) “Residue from smoking tobacco or nicotine products” means a chemical accumulation resulting from the smoking of tobacco or nicotine products, and may be indicated by the smell of tobacco smoke or by test results that indicate elevated levels of nicotine on surfaces or in dust.

(2) “Smoking tobacco or nicotine products” includes the use of an electronic cigarette or vape device for inhaling an aerosol.