County Court at Law #4
405 M.L.K. Street, Box 17
Georgetown, TX 78626
Phone: (512) 943-1681
Fax:  (512) 943-1685
Click here for directions

Judge John B. McMaster
County Court at Law Four Judge
Phone: (512) 943-1681
Fax:  (512) 943-1685

Sharrion Threadgill
Court Administrator
(512) 943-1681

Mandy W. Vega
Probate Auditor
(512) 943-1683

David Ruppart
(512) 943-1294

Tom McMinn
Court Reporter
(512) 943-1682

Scheduling Announcement

Uncontested Matters

Please email the Court Administrator at SThreadgill@wilco.org for further instruction and guidance during this pandemic.

Self-Represented Litigant

Please email the Court Administrator at SThreadgill@wilco.org further instruction and guidance during this pandemic.

Judge John B. McMaster, County Court at Law Four


John B. McMaster was appointed County Court at Law #4 judge in September 2005 and took his oath of office on January 3, 2006.  County Court at Law #4 was approved during the 2005 legislative session and became effective in January 2006.

Before being appointed as judge, John McMaster had a private law practice focusing on family law in Georgetown.  He previously served as a member of the Georgetown Independent School District Board, serving as board secretary for part of his tenure.  He is a member of the Kiwanis in Georgetown, the Williamson County coalition against underage drinking, the Masonic Lodge and Celebration Church in Georgetown.

Judge McMaster graduated from Georgetown High School in 1975, received his bachelor’s degree from Baylor University in 1979 and graduated in 1982 from South Texas College of Law.  He lives in Georgetown with his wife and daughter.