Cal. Sts. & High. Code § 9300

Upon default in payment of any installment of a reassessment, or interest or penalties thereon, the lands securing the reassessments shall be sold in the same manner in which real property in the city is sold for the nonpayment of general taxes, and shall be subject to redemption within one year from date of sale in the same manner as such real property is redeemed from such delinquent sale, and upon failure of such redemption shall in like manner pass to the purchaser.