Cal. Pub. Res. Code § 4136

(a) A transferor of real property that is located within a state responsibility area determined by the board, pursuant to Section 4125, shall disclose to a prospective transferee the fact that the property is located within a wildland area that may contain substantial forest fire risks and hazards and is subject to the requirements of Section 4291.
(b) Except for property located within a county that has assumed responsibility for prevention and suppression of all fires pursuant to Section 4129, the transferor shall also disclose to a prospective transferee that it is not the state’s responsibility to provide fire protection services to a building or structure located within the wildlands unless the department has entered into a cooperative agreement with a local agency for those purposes pursuant to Section 4142.
(c) Disclosure is required pursuant to this section only when one of the following conditions is met:
1. (1) The transferor, or the transferor’s agent, has actual knowledge that the property is within a wildland fire zone.
2. (2) A map that includes the property has been provided to the city or county pursuant to Section 4125, and a notice has been posted at the offices of the county recorder, county assessor, and county planning agency that identifies the location of the map and any information regarding changes to the map received by the county.
(d) In all transactions that are subject to Section 1103 of the Civil Code, the disclosures required by this section shall be provided by either of the following means:
1. (1) The Local Option Real Estate Disclosure Statement as provided in Section 1102.6a of the Civil Code.
2. (2) The Natural Hazard Disclosure Statement as provided in Section 1103.2 of the Civil Code.
(e) If the map or accompanying information is not of sufficient accuracy or scale that a reasonable person can determine if the subject real property is included in a wildland fire zone, the agent shall mark “Yes” on the Natural Hazard Disclosure Statement. The agent may mark “No” on the Natural Hazard Disclosure Statement if the agent attaches a report prepared pursuant to subdivision (c) of Section 1103.4 of the Civil Code that verifies the property is not in the hazard zone. This subdivision does not limit or abridge any existing duty of the transferor or the transferor’s agents to exercise reasonable care in making a determination under this subdivision.
(f) For purposes of this section, Section 1103.13 of the Civil Code applies.
(g) The specification of items for disclosure in this section does not limit or abridge any obligation for disclosure created by any other law or that may exist in order to avoid fraud, misrepresentation, or deceit in the transfer transaction.