Town Hall Address 18649 FM 1431, Ste. 4A Jonestown, TX 78645 United States- Travis County Website https://jonestowntx.gov Town Clerk 512-267-3243 18649 FM 1431, Ste. 4A Jonestown, TX 78645 United States Tax Collector 512-267-3243 18649 FM 1431, Ste. 4A Jonestown, TX 78645 United States County Travis