...San Francisco Average Rent: As of April 2018, average rent for an apartment in San Francisco, CA is $3552 which is a 4.25% decrease from last year when the average rent was $3703, and a 0.17% decrease from last month when the average rent was $3558. One bedroom apartments in San Francisco rent for $3262 a month on average (a 3.1% decrease from last year) and two bedroom apartment rents average $4453 (a 1.93% decrease from last year). Meaning; in order for you to qualify for a one bedroom apartment in San Francisco...Your gross monthly income must match or exceed $9,320.00