California Code, Vehicle Code - VEH § 11410

(a) Every license issued under this chapter is valid for a period of one year from the last day of the month of issuance.  Except as provided in subdivision (c), renewal of the license for the ensuing year may be obtained by the person to whom the license was issued upon application to the department and payment of the fee required by Section 11409.

(b) An application for the renewal of a license shall be made by the licensee not more than 90 days prior to the expiration date and shall be made by presenting the completed application form provided by the department and by payment of the renewal fee.

(c) If the application for renewal of the license is not made by midnight of the expiration date, the application may be made within 30 days following expiration of the license by paying the annual renewal fee and a penalty fee equal to the amount of the original application fee for each license held.

(d) A licensee shall not renew the license after the expiration of the 30-day period specified in subdivision (c).