Need to file a mechanics lien in Contra Costa County? Here's what you need to know to record your lien with the Contra Costa County Recorder.A consumer complaint form must be completed and submitted to the Consumer Protection Unit. Official Forms for Viewing and Downloading. 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. You have 30 days to respond to a debt lawsuit in California. How do I fill this out? If the debtor has more than 6 creditors with nonpriority unsecured claims, fill out and attach the Additional Page of Part 2. To complete an eviction we require the original writ, Sheriff's fee, and a signed Contra Costa County Sheriff letter of instruction for eviction located above. Because of the faltering housing market the City's property tax revenue has stopped increasing.