Cal. Gov. Code § 51117

When land is zoned as timberland production or subsequently rezoned from a timberland production zone and after exhaustion of appeals, a notice of timberland production zone status, together with a map and assessor’s parcel numbers describing such land, shall be filed for record by the city or county in the recorder’s office. The notice and map shall become a part of the official records of the county recorder upon its acceptance by him for filing. The filing for record of a notice of timberland production, together with a map and assessor’s parcel numbers describing the land, shall impart constructive notice thereof.