Square One Brewery & Distillery sits in the heart of St. Louis’ Lafayette Square neighborhood at 1727 Park Avenue, occupying a restored brick building that perfectly captures the area’s historic character. Founded by brothers Russ and Steve Polansky along with their business partner Derek Rund, this operation started as a brewery in 2006 before expanding into distilling in 2013. The Polansky brothers brought backgrounds in construction and business, while Rund contributed brewing expertise that helped establish their reputation for quality craftsmanship. They produce bourbon, rye whiskey, vodka, and gin in their compact operation, which combines both brewing and distilling under one roof.
The journey to distilling wasn’t immediate—it took seven years of brewing success before they felt ready to tackle spirits. Head distiller Derek Rund spent considerable time researching techniques and sourcing equipment, eventually installing a 250-gallon copper still that allows for precise control over their small-batch production. The team’s philosophy centers on patience and attention to detail, aging their whiskeys in new charred oak barrels and refusing to rush the process despite customer demand. They’ve built relationships with local grain suppliers and take pride in being part of St. Louis’ craft beverage renaissance.
Visitors find themselves in an intimate setting where brewing tanks and distilling equipment coexist in the same space, creating an atmosphere that’s part neighborhood bar, part working distillery. The taproom features exposed brick walls, communal tables, and a relaxed vibe that encourages conversation with both staff and fellow visitors. You’re likely to see actual production happening during your visit, whether that’s mashing grain, monitoring fermentation, or checking on aging barrels in their small rickhouse area.