This section is from the book "Real Estate Principles And Practices", by Philip A. Benson, Nelson L. North. Also available from Amazon: Real Estate Principles and Practices.
A mechanic's lien may be discharged or become non-effective as follows:
(a) By expiration. This occurs one year after filing, unless an action to foreclose it or an action to foreclose a mortgage on the property has been begun within that period.
(b) By payment, and by a certificate or satisfaction piece executed and acknowledged by the lienor, and duly filed in the county clerk's office.
(c) By order of the court vacating or cancelling the lien for neglect to prosecute it. This may be obtained by service of notice by the owner on the lienor requiring the lienor to commence an action to foreclose the lien within a specified time, not less than thirty days. The claim of the lienor may be disputed by the owner and he may take this course in order that the claim may be tried in court, or the lien cancelled. If the court order is obtained the record of the lien will be marked "Discharged by Order of the Court."
(d) By filing of a bond approved by the court. The bond may be that of two or more personal sureties or of a surety company. The record of the lien is marked "Discharged by Bond," the property is freed from the lien and the lienor has recourse to the bond.
(e) By deposit of money into court. Before an action is commenced on a lien the amount claimed with interest to date of deposit may be deposited with the county clerk. After an action has been commenced the amount deposited shall be such a sum as in the judgment of the court will cover the amount of any judgment that may be recovered in the action. The lien is marked "Discharged by payment."
 
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