You have to send 30 day notice (intent to vacate) in writing. City law requires the San Diego Housing Commission (SDHC) to prepare a Tenant Protection.Guide and make it available on SDHC's website. While 30 days is required absent other agreement, the CA rental agreement can require notice of intent to vacate be given on a specific day of the month. Pre-30 day Notice to Vacate. Please use this form to give your 30-day notice. Landlords can terminate a month-to-month tenancy with 30 days' notice if the lease is for less than a year. California Tenants – A Guide to Residential Tenants' and Landlords' Rights and. If you rent your property or a portion of your property to a guest(s) on a short-term basis, you are subject to the San Diego Municipal Code requirements. Because you're on month-to-month all the landlord is required to do is give you a 30-day notice.