At first sight , Diablo Burger has a Massive Modern mural shrouding the exterior of the building with abundant outdoor shared seating. There was no obvious way in. After entering the patio through a gate , no access ? Then I asked one of the many lunchtime patrons for help ! Enter through the Red tent which I deem " Stargate ". You must enter at this Portal to ultimately enjoy the benefits of DB. So I did and I did. Sioux city root beer and a Burger that was crazy to pronounce like a "Kratursky " or something like that. Served to me outside although they do have ample indoor seating my English Muffin bun was Branded " D B " in bold Blackened fashion. Melt in your mouth delicious with a vortex cone full of anise/herbed Flagstaff Fries, go ahead lose the French. They were top fries ! Easy access as I walked a few minutes from the Courthouse on San Francisco. Also an interior small scale mall next door with a sweet shop and a BBQ barn downstairs. Worth exploring . Thumbs up for Diablo Burger !!!