Immigration enforcement: use of state-owned property

The law limits use of state land, buildings, parking areas, and other facilities for immigration enforcement while requiring agencies to identify, deter, and document attempted uses.

What the law does ​

• Prohibits using state-owned property to stage, deploy, park, process, interview, detain, monitor, collect information on, or take custody of people for immigration enforcement.
• Requires the Department of General Services and state agencies to identify properties previously or likely to be used for those purposes.
• Requires feasible signage and use of existing physical barriers at identified properties, and written documentation and notice to the Attorney General for attempted or actual prohibited uses by July 1, 2027.
• Requires the Attorney General’s office to provide free standardized signage and state agencies to provide rights information for employees, tenants, and security staff when federal agents enter state property.
• Preserves existing state leases, lawful judicial warrants, specified Department of Corrections and Rehabilitation uses, and certain Department of Transportation rights-of-way and land-port-of-entry property.

Who it affects ​

• Federal immigration-enforcement personnel seeking to use California state property.
• State agencies that own or manage property.
• Employees, tenants, and security staff at state-owned properties.