Petroleum Building Adaptive Reuse Plans to Convert Offices to Housing on 16th Street
One of downtown Denver’s historic mid-century towers is getting a new life. The Petroleum Building, located at 110 16th Street in the Central Business District, is undergoing a $45.2 million adaptive reuse project that will convert the 14-story office tower into 178 residential units. Originally constructed in the mid-20th century, the building has long been part of the 16th Street’s streetscape. This redevelopment, led by Petroleum Building LLC with design by Gensler, will modernize the structure while preserving its architectural character.
From Office to Residential
The project will transform 12 office floors into housing, while the lower level and 14th floor will be reimagined as tenant amenity spaces. Plans call for upgraded multi-tenant lobbies, a refreshed exterior facade, and full modernization of the building’s systems. Ground-floor retail will remain in place, supporting the pedestrian activity along the 16th Street Mall. Residents will also have access to new shared spaces, including indoor lounges, meeting areas, and dedicated pet facilities.
The redevelopment began in October 2023 and is currently progressing through the commercial construction permit process. Completion was originally targeted for December 2024.
This conversion is part of a broader trend in Denver’s urban core, as older office buildings are repurposed to meet growing demand for housing. With its prime location on the 16th Street Mall and direct access to transit, the Petroleum Building’s transformation will bring new residents, and new activity, to the heart of downtown.
Find out more details about whose behind the project here: Petroleum Building Project Info
All project information was sourced from publicly available site plans, renderings, and permitting documents.
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All project information was sourced from publicly available site plans, renderings, and permitting documents.
2 min read • The Petroleum Building at 110 16th Street is being converted from offices to 178 residential units in a $45.2 million adaptive reuse project.