How Do I Turn In, Sell, or Store My Firearms? Official Forms for Viewing and Downloading.The sanitary sewer lateral compliance in this Addendum is intended for properties located only in portions of Unincorporated West Contra Costa County. This Advisory provides general information about buying and selling real property in Contra Costa County and is effective as of December of 2019. Print your name, fill in the date, and sign the form. I, (We) certify that I (we) am (are) the Seller of the Residence. 1. How can I obtain a list of properties to be offered at the tax sale? Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Test. Your real estate agent can help you fill out the Transfer Disclosure Statement to fully disclose all the required elements. Please also review the separate Contra Costa County or city specific Ordinances and Regulations for property in the area you are either selling or buying.