Welcome to Johnny on the Spot! Established in 1990, Johnny on the Spot has been the premier provider for portable restroom rentals throughout Napa and Solano counties. We have basic stationery units, ADA accessible units, single mobile units, deluxe fresh flush units, VIP solar-powered units, and free-standing handwash stations. Our portable units are perfect for special events like weddings, festivals, sporting events, and casual gatherings. They are also ideal for construction and remodeling sites. In addition to restroom rentals, we also provide RV restroom servicing and customer-owned portable restroom servicing. At Johnny on the Spot, we are dedicated to providing our customers with quality and reliable service. Call today!