Top 10 Best Money Order Near Houston, Texas ; 1. Fill-out and send in form and supporting documentation establishing your right to receive the property.Harris County Clerk's Office Payment Options ; In person transactions. Cash – U.S. currency only. Checks. 1500 HADLEY ST HOUSTON, TX 77002-9998. The mailing address is: Harris County Clerk, P.O. Box 1525, Houston, TX 77251-1525. Do not send cash through the mail. Use this online tool from Lone Star Legal Aid to file an answer in a debt collection lawsuit in Justice court. Western Union agent locations will accept walk-in cash payments. Do you want a check or just cash?