Commit to share your first 100 day plan with your boss. Write your 100 day plan in a document or email and send to your manager before you meet again.1. Introduce yourself - offer donuts you brought with you 2. State your position and scope of responsibility 3. To file an FBN in Contra Costa County follow these steps: 1. It is recommended for legibility that this form is completed online prior to printing. Forms may be obtained at the Office of the County Administrator, or Office of the Clerk of the Board, 1025 Escobar Street, 1st Floor, Martinez, California. Contra Costa County First Time Homebuyer Counseling. Free counseling services available through ECHO Housing. Enter your details in the form below, and our staff will contact you and setup a custom learning plan tailored to your goals.