In california is a landlord required to notify tenant if on outside of property

As far as I understand it, California landlords must give proper notice before entering the unit except in certain emergency circumstances. I don't remember, and can't find, anything about being on the outside of the unit. I don't think notification is required if the unit isn't entered. If landlords do enter in Cali, they have to give proper notice and if they enter in an emergency when the tenant isn't home they have to leave some notice that they entered, like leave a business card and a note or something like that. Check with a local tenents' rights organization if you think your rights have been violated or if you think your landlord is acting stalker-ish.