LAHSA's mission is to support, create and sustain solutions to homelessness in Los Angeles County by providing leadership, advocacy, planning, and management of program funding.

The Los Angeles Homeless Services Authority is a joint powers authority of the City and County of Los Angeles, created in 1993 to address the problems of homelessness in Los Angeles County. LAHSA is the lead agency in the HUD-funded Los Angeles Continuum of Care, and coordinates and manages more than $132 million annually in federal, state, county and city funds for programs providing shelter, housing and services to homeless persons.