Dog Haus Biergarten is closed in Richardson, according to a lockout notice on the restaurant’s door.

In a social media post, the company said it is “working hard” to reopen the location; however, a reopening date or reason for closing is unknown and the company did not respond to a request for comment.

Dog Haus Biergarten serves gourmet hot dogs, sandwiches and burgers, according to its website.