Silicon Valley’s Most Affordable & Accessible Venue Santa Clara County Fairgrounds is a flexible event venue perfect for Trade Shows, Home Shows, RV Shows and Sales, Corporate Meetings, Team Building, Weddings, Quinceañeras, Concerts and Festivals, Auto Shows & Sales, Fundraisers, and any indoor or outdoor event. The Fairgrounds offers 167,000 square feet under roof, 20 acres of lawn and paved outdoor space, plus 40 acres of parking.