I used to have summer camps all figured out by early February. I'm not so organized anymore. So in case you're not so organized either, check out the check out the San Francisco Recreation and parks
Spring Program and Summer Day Camp Registration day.
Their Summer Day Camp registration begins March 18 at 10 a.m.-- online and at 13 sites around the city. They have more than 80 different camps, including traditional camps like Pine Lake and Silver Tree, as well as new camps like Rock Climbing, Urban Pickers Camp at Alemany Farm, and girls sports camps. Click here for more info on SF Rec and Park summer camp programs.
The 2017 Summer Resource Fair is coming up too. It's on March 11, 2017 from 10-2. It's at the County Fair Building in Golden Gate Park. That's 1199 9th Avenue, SF. They'll have representatives from 150+ summer programs, plus a Kid Zone, book giveaway, food trucks and entertainment.