El Ojo de Agua is a Taco Truck in Fruitvale.
It's located in the corner of a parking lot at International Blvd and Derby Avenue. This used be the former location of Half Price Autos.
The owners of this Taco Truck currently rent a small building at this address which allows for use of the parking lot plus use of restrooms for its customers. There's a small mural on the wall.