2019 Potrero Hill Festival & Street Fair: 100+ Vendors & Live Music | SF The 30th Annual Potrero Hill Festival takes place on Saturday, at the 20th Street between Wisconsin and Missouri Streets. 2019 Potrero Hill Festival Saturday, October 19, 2019 | 11 am to 4 pm 20th Street btwn. Missouri & Wisconsin St, Potrero Hill, San Francisco FREE Come celebrate the Potrero community and ...