Renewing Your License. Licenses are issued for a four-year period and should be renewed prior to the expiration date listed on the license. As a reminder, the CalBRE mails a renewal reminder letter to the licensee's mailing address of record approximately 60 days prior to the license expiration date.The reminder letter is sent as a courtesy only and non-receipt of the letter does not relieve the licensee from the responsibility of renewing the license.ate Renewals. If you fail to renew your license on-time (prior to your license expiration date), you may renew your license during the two year late renewal period immediately following your license expiration date.