Cal. Civ. Proc. Code § 328

If a person entitled to commence an action for the recovery of real property, or for the recovery of the possession thereof, or to make any entry or defense founded on the title to real property, or to rents or services out of the property, is at the time title first descends or accrues either under the age of majority or insane, the time, not exceeding 20 years, during which the disability continues is not deemed any portion of the time in this chapter limited for the commencement of the action, or the making of the entry or defense, but the action may be commenced, or entry or defense made, within the period of five years after the disability shall cease, or after the death of the person entitled, who shall die under the disability; but the action shall not be commenced, or entry or defense made, after that period.