CA SB789

Requires owners of commercial real property in California to register with the California Department of Tax and Fee Administration and file annual information returns reporting property addresses, building details, vacancy status, duration of vacancies, and reasons for vacancies

Mandates disclosure of whether vacant properties qualify for exceptions such as active renovation with valid building permits, legal or regulatory barriers preventing occupancy, or natural disaster impacts

Imposes a $100 penalty per commercial property for failure to timely file the required information return, with waivers available for reasonable cause beyond the owner's control

Requires the department to publish annual data aggregated by ZIP Code on its website by July 1, including the percentage of vacant commercial properties and reasons for vacancies exceeding 182 days

Authorizes the Director of Finance to loan General Fund money to implement the program, with repayment from collected penalties; the entire program sunsets on January 1, 2031