Why use Zillow? Use Zillow to find your next perfect rental in San Francisco. You can even find San Francisco luxury apartments or a rental for you and your pet.If you need some help deciding how much to spend on your next apartment or house, our rent affordability calculator can show you rentals that may fit your budget in San Francisco..As of June , the average apartment rent in San Francisco, CA is $, for a studio, $, for one bedroom, $, for two bedrooms, and $, for three bedrooms. Apartment rent in San Francisco has increased by . in the past year..