You want to be as professional as possible to avoid any hard feelings. Yes, give them a polite written notice. Giving them more than the minimum days may be appreciated. If your rental agreement is for more than one year it should be in writing (pg 16 http://www.dca.ca.gov/publications/landlordbook/catenant.pdf
). You are probably required to give a written 30 day notice (60 days if occupied for over 1 year, rent control ordinances can be more restrictive). http://www.dca.ca.gov/publications/landlordbook/moving-out.s
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