File online with a credit card. OR Complete the fillable PDF form using your computer.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. 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. Summons or notice of entry of sister-state judgment was personally served or mailed to (name and address):. Judgment creditor (name and address):. Who should you send this notice to? Fill in the blank Notice of Mechanics Lien form formatted to comply with all California recording and content requirements. Notice: Historical Content.