STATEMENTS. This claim may be used to file for the Homeowners' Exemption for the Assessment Roll and the Supplemental Assessment Roll. I own the following interest in the above-declared homestead: 4.The above-declared homestead is my principal dwelling. A Declaration of Homestead, when not properly prepared, may be invalid. We recommend that you seek legal advice before considering the recording. The following is a list of some documents that may be recorded if they meet all requirements, and a description or definition of each document. Welcome to the homestead estimated amount page for Single Family Detached homes for Contra Costa county. The Housing Authority of the County of Contra Costa accepts pre-applications online when we anticipate housing becoming available within a few months.