This webpage provides instruction on how to submit your application package for an ADU project and how to revise or resubmit your ADU plans. Use this form to be designated an authorized agent for assessment purposes for the owners of real and business personal property.Total of 86 forms are available for Santa Clara County for 2024. Here is a master list of the Building Division's bulletins and forms. I, the undersigned, declare: 1. I am (choose one): a. Also submit a signed Declaration Form under penalty of perjury verifying your identity. Please bring all required documents at time of enrollment, and use this checklist to assist you in making sure all information is complete.