Firehose Subs opening Friday in BR Firehose Subs opening Friday in BR Advocate business staff report May 14, 2013 Comments Firehouse Subs is opening its first location in Baton Rouge on Friday at 5140 Corporate Blvd. The local franchisee is Patrick Lee. A unique feature to each Firehouse Subs restaurant is a custom, hand-painted mural inside the dining room. The restaurant will feature a mural of LSU’s Tiger Stadium and a fire truck from the Fire Emergency Training Institute. Firehouse Subs is open 10:30 a.m.-9 p.m. seven days a week. Firehouse Subs, founded in Jacksonville, Fla., by former firefighting brothers Chris and Robin Sorensen, is a 615-unit fast casual restaurant chain.