At Andreotti Firearms Sales, we spend time with our customers, helping them make the best choices. It's the kind of store where the coffee's always hot, and the advice is free. What's more, we offer fifteen years of experience in the gun business, and some of the most competitive prices on guns and gear. Andreotti Firearm Sales & Sporting Goods - Gun Cleaning Shooting Optics Knives We are located in the township of Castro Valley, which can be reach by taking interstate 580 to interstate 238. Exit on Redwood Road, turn left at the signal light. Travel on Redwood Road to the third signal light. Make a right-we behind dinos resturant.