Taxpayer's Advocate Property Info & Maps Map to Our Office Assessor/BoE Forms Popular Links attach_money Buying or Selling Property construction Building Something New upload_file Business Personal Property home Change Mailing Address assessment Appeal your Assessment help_outline Estimate Taxes Announcements Previous Prop 19 Explained On November 3, 2020, California voters approved Proposition 19, The Home Protection for Seniors, Severely Disabled, Families, and Victims of Wildfire or Natural Disasters Act. Register to e-File Today All business entities must file by April 1 each year. e-Filing allows businesses to file their business property statements online. Follow this link to Register. Tustin Hangar Fire The Assessor Department will work with property owners to review potential property damages caused by the recent Tustin Hangar fire. To see if you qualify, refer to Property Damage... Open to the Public The Orange County Assessor Department's public service counters at the main office and the south county office in Mission Viejo are available for public access. In addition, many... Next