Yes, within the UC System both UCB and UCLA have retirement communities associated with their campuses. The Berkeley center is on UCB property in the city of Albany under the auspices of a ground lease arrangement. The senior facility associated with UCLA is on private property in Westwood. Both are managed by Belmont Villages, a for-profit company specializing in constructing and managing senior residences.
UCB: https://www.belmontvillage.com/locations/albany-berkeley-california/
UCLA: https://www.belmontvillage.com/locations/westwood-los-angeles-california/
It is estimated that there are approximately 80 retirement communities related to American universities and colleges. The benefits represent a two-way street. For residents, there is the opportunity to thrive and enjoy the active presence and participation in intergenerational activities surrounded by a stimulating intellectual life. The University enlivens its culture and residential life by having a diverse and permanent residential community.
Indeed, the fastest-growing aspect of senior living is the placement of retirement communities on or near university campuses in order to promote continuous engagement in intellectual, social, and physical activities in a multigenerational setting.
Recent public attention to this phenomena demonstrate the point: https://www.aplaceformom.com/blog/9-3-14-seniors-head-back-to-school/ https://www.aarp.org/retirement/planning-for-retirement/info-2019/colleges-with-retirement-communities.html https://www.nytimes.com/2019/09/10/us/college-university-retirement-communities.html https://www.pbs.org/newshour/show/seniors-retiring-college-campuses