Jazz on the Hill 2026 is a free, full day of live jazz at College of San Mateo—drawing thousands to the hillside and reaching listeners around the world. Celebrating its 20th festival, KCSM brings together world-class artists and a youth stage that spotlights the next generation. It’s a day to settle in, move between stages, and experience the music as it unfolds—shared with a community that shows up for it, year after year.