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Cross-Laminated Timber Housing Within Underutilized Parking Structures

Authors:
Chang Lu, Tianyu Zhao, Shaha Maiteh
Cross-Laminated Timber Housing Within Underutilized Parking Structures
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Cross-laminated timber transforms underutilized parking garages into efficient housing units, addressing San Francisco's pressing need for affordable living spaces.
5 key facts about this project
01
Repurposes state-owned parking garages for residential use.
02
Incorporates cross-laminated timber for structural efficiency.
03
Offers flexible unit sizes catering to diverse demographics.
04
Integrates communal spaces to foster community interaction.
05
Enhances urban density in response to local housing shortages.

The design addresses the issue of housing affordability in San Francisco by integrating residential units into parking structures in the downtown area. The project focuses on state-owned garages that serve the financial district, where vehicles occupy the space during the day but are largely empty at night. This initiative looks to change the existing function of these buildings, turning them into livable spaces that respond to the city's urgent need for more housing.

Design Concept

Repurposing parking garages creates an opportunity to transform underused urban spaces into homes. The idea is to modify the structures to incorporate residential living while maintaining their original purpose. By extending the façades of these garages, the design introduces new housing options into a dense urban environment. The approach is practical, maximizing existing infrastructure to alleviate the housing crisis impacting low- and moderate-income residents.

Living Units

The project offers a variety of living unit types to cater to different occupants. Sizes range from 16.2 square meters for individuals up to 39.6 square meters for families. This careful planning ensures that a wide demographic can find suitable space, addressing the diverse needs of those who live in the city. The units are designed to be functional and comfortable, providing essential amenities.

Materiality and Sustainability

Cross-laminated timber is used as the primary building material for the living units. This choice supports modern sustainable practices, offering structural stability and environmental friendliness. Using cross-laminated timber helps reduce the carbon footprint while creating a warm and inviting space. The material selection reflects a growing trend towards eco-friendly construction, which is essential in urban settings.

Community Integration

The design also includes communal spaces to encourage social interaction among residents. This aspect is important for building a sense of community, especially in a busy city where many may feel isolated. The layout promotes accessibility, facilitating connections among neighbors while allowing for private living areas.

Careful consideration is given to natural light and ventilation within the units. This attention to detail fosters a comfortable living environment. By adapting the parking structures, the project adds value to the urban landscape, providing essential housing while addressing the city’s growing challenges.

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Vancouver Tall Challenge: Building Higher Downtown

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Competition organisers

The Vancouver Tall Challenge: Building Higher Downtown is an international architecture competition organized by Buildner in collaboration with the City of Vancouver and the University of British Columbia’s School of Architecture and Landscape Architecture (SALA). The competition invites architects, designers, planners, and creative thinkers to explore innovative approaches to tall buildings in Vancouver’s downtown core, focusing on sustainability, livability, urban density, public space, and the city’s strong connection to nature. As Vancouver continues to grow, participants are challenged to rethink how vertical development can enhance urban life and contribute to a more vibrant, inclusive, and resilient city identity.

The competition offers a total prize fund of $15,000 CAD, with winning proposals selected by an international jury of architects, planners, academics, and city-building professionals. Key dates include the final registration deadline on October 29, 2026, submission deadline on November 30, 2026, and winners announcement on January 26, 2027. Full competition details, requirements, and registration information are available at architecturecompetitions.com/VancouverTallChallenge

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