Improper City

Improper City is a compelling multi-use space which runs the spectrum from celebration to business opportunity. It brings together a café, beer garden, music venue, workspace, and food-truck eatery all under one roof. The owners (of Boulder’s Rayback Collective) wanted a space with the foundational basics of Rayback but amplified to meet the vibrancy of Denver’s River North Art District (RiNo). OZ worked closely with them to transform the former HVAC fabrication factory into a relaxed and welcoming gathering place that embraces RiNo’s lifestyle. Highlights of this adaptive reuse project include a mezzanine, flexible seating throughout and well-placed nooks for personal conversations or business dealings. One of RiNo’s iconic mural-covered alleyways is the conduit between the indoor space and, to date, the largest patio in Denver.


Denver, Colorado


20,300 sf


2022 Mayor's Design Award

Practice Areas

Retail + Restaurant

Scope of Services

Interior Design
Adaptive Reuse

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