After full payment of defaulted taxes against which a certificate of lien has been recorded, an Unrecorded Release of Lien notice will be mailed to the owner. Satisfaction of Mortgage – Release of the loan that was a lien against real property.You will need to contact the Creditor on your lien(s) and request that a Release of Lien be recorded with our office. Official Forms for Viewing and Downloading. 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. Use this form to release or cancel a lien in California. The California Mechanics Lien Release Form is used to fully cancel a lien that has already been filed. Contra Costa County Release of Notice of Pending Action Form. Fill in the blank form formatted to comply with all recording and content requirements.