WITNESS, my hand and seal this ______ day of ______, 20___. You can file your mechanic liens in person at the following Montgomery County Prothonotary office locations: Office of the Prothonotary P.O. BOX 311Next, provide a description of the real estate involved in the suit. Pursue in the case of a wrongful lis pendens filing. NOTICE OF LIS PENDENS. (Md.