Turning evidence into action to prevent and end homelessness 

The UCSF Benioff Homelessness and Housing Initiative (BHHI) provides accurate, timely, policy-oriented research about homelessness for local, state, and national policymakers and practitioners.

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181,000+
Californians experience homelessness daily
68%
of homeless Californians are unsheltered
7,754
people experiencing homelessness in San Francisco
21%
of homeless people across the US are older than 55
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Towards a New Understanding

Groundbreaking BHHI Study

The California Statewide Study of People Experiencing Homelessness

The UCSF Benioff Homelessness and Housing Initiative (BHHI) has released the largest representative study of homelessness in the United States since the mid-1990s, providing a comprehensive look at the causes and consequences of homelessness in California and recommending policy changes to shape programs in response. 

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Unsheltered Cover

New Encampment Tools

Unsheltered Homelessness

This topic brief and companion documents examine who experiences homelessness in unsheltered settings, how they lost their housing, their experiences during homelessness, and barriers to regaining housing. The findings highlight the urgent need for the homelessness system to advance evidence-based strategies to meet the needs of those experiencing homelessness in unsheltered settings.

Featured Content

External Event
External Event
Sacramento Briefing: CalAIM Housing Community Supports
California Health Care Foundation
March 12, 2025
Join CHCF in Sacramento on Wednesday, March 12, 2025 for a briefing about these supports and their importance for helping people move from homelessness to housing. The briefing will begin with an over...
Opinion
Debrina Kawam's Death Proves Even Sleeping Is Risky for Homeless Americans
MSNBC
January 3, 2025
In this op-ed, Margot Kushel, MD, professor of medicine and director of the Benioff Homelessness and Housing Initiative at UCSF, highlights the frequency people experiencing homelessness are exposed t...
Videos
Webinar: Election 2024: What Does it Mean for Homelessness in California and Beyond?
December 11, 2024
The UCSF Benioff Homelessness & Housing Initiative held a webinar to explore the implications of the 2024 election for homelessness on the West Coast and beyond. Margot Kushel, MD, moderates a convers...
Videos
Webinar: Unsheltered Homelessness: A Solutions Oriented Approach
September 25, 2024
Most people experiencing homelessness in California do so in unsheltered settings, such as outdoors or in vehicles. This webinar is about the causes and consequences of unsheltered homelessness. Margo...
Videos
Webinar: Doing Research Together: The Nuts and Bolts of Doing Collaborative Research with Lived Experts
April 17, 2024
Are you a researcher who wants to include people with lived experience in your research? Are you an organization that wants to authentically involve community members in your program development or ev...

"There is no medicine as powerful as housing."

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MargotKushelMD UCSF BHHI.jpeg
Margot Kushel, MD
Director, UCSF Benioff Homelessness & Housing Initiative

"The gravest threats to health are due to poverty, discrimination, and particularly homelessness. Here at UCSF, many dedicated researchers have devoted their careers to addressing these health inequities. The Benioffs’ continued leadership on these issues, exemplified by this generous gift, will further energize our efforts, and strengthen our links to communities in need at the local, state and national levels."

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Sam Hawgood, MBBS
Sam Hawgood, MBBS
Chancellor, University of California, San Francisco

"The world needs a North Star for truth on homelessness. The UCSF Benioff Homelessness and Housing Initiative will be that North Star, providing the latest research, data, and evidence-based solutions to ensure we’re investing in programs that will help solve the homelessness crisis."

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Marc Benioff
Marc Benioff