The District Clerk's office will answer other information regarding child support in writing, by phone or in person. Please provide the name of the payer, the payee and the court case number. We are sorry, but we cannot provide legal advice. The office is located in the Williamson County Justice Center, 405 M.L.K. St., Georgetown, Texas. Our office hours are Monday through Friday, 8:00 a.m. to 5:00 p.m. or you may call (512) 943-1212. The mailing address is: Lisa David, Williamson County District Clerk, P.O. Box 24, Georgetown, Texas 78627.