To claim the exemption, the homeowner must make a one-time filing with the county assessor where the property is located. This claim may be used to file for the Homeowners' Exemption for the Assessment Roll and the Supplemental Assessment Roll.A new owner will automatically receive an exemption claim form in the mail and there is no cost to file. Complete a homestead declaration form. Welcome to the Superior Court of Santa Clara County. Jury Service, E-Filing, Traffic Tickets, Self-Help, Contact Clerk's Office. How do I file a declared homestead? 700 Lawrence Expy Santa Clara, CA 95051. Directions. Hours: 7 days open 24 hours. Seniors may contact Heart of the Valley at 408-241-1571 to request pick-up of HHW and pharmaceutical waste.