When I visited San Fran in 2008 I made sure to visit some of the picturesque dead ends and alleyways, of which most of the city is rife (there just aren’t too many in NYC, while Boston, Philly, San Francisco are jam packed with them). This lane is on Powell Street just south of Pine. It has one house, #5 Fella Place, and an old school light post with scrollwork that resembles some you find on older NYC telephone pole masts. And, take a look at the red brick pavement.
You won’t find a nicer alley anyplace.