Download and complete one form per permit for each job site. The form is in PDF format, can be filled out electronically and saved.Detailed estimates are to be developed using the format of Form B-1, from the Conceptual Cost. We provide construction estimating services to home builders and residential building contractors based all over in California and other states. We have various applications and forms available on our web site for your convenience. How to fill out the Contra Costa County Building Permit Application? Download PDF BOE-64-SES REV. Contract Document. 3.3. 4 Design Responsibility.