Williamson County 2026 fact sheet. Confirms Georgetown as county seat, identifies major cities, and documents substantial recent growth.
Williamson County municipalities page. Confirms Georgetown, Round Rock, Taylor, Bartlett, Granger, Hutto, Thrall, Florence, Cedar Park, Leander, Weir, Liberty Hill, Jarrell, and Coupland as incorporated municipalities and provides current population estimates.
Texas Comptroller, Williamson County directory. Updated August 7, 2026. Confirms active city taxing units, including Cedar Park, Georgetown, Hutto, Round Rock, Taylor, Leander, Liberty Hill, Jarrell, Coupland, Weir, Granger, Florence, Thrall, Bartlett, plus cross-county Austin, Pflugerville, and Thorndale. It also confirms the county Tax Assessor-Collector at 1848 Texas Trail.
Texas Department of Transportation, Austin District project directory. Identifies current Williamson County projects and studies involving I-35, U.S. 183, FM 973, and related corridors.
Texas Department of Transportation, I-35 Georgetown-to-Round Rock. Current August 2026 proposal covers 13 miles from SH 29 to SH 45 North and includes managed lanes, additional main lanes, ramp relocation, bridge reconstruction, and shared-use paths.
Texas Department of Transportation, U.S. 79 Round Rock project. Current September 2026 public-meeting process covers U.S. 79 from I-35 to east of A.W. Grimes Boulevard.
Texas Department of Transportation, RM 620/Anderson Mill Road. Confirms the 2026 environmental clearance for proposed intersection improvements in Williamson and Travis counties.
Texas Department of Public Safety records. Identify the Georgetown Westinghouse Area Office and Driver License Center at 1070 Westinghouse Road.
Texas Department of Public Safety property records also identify a Taylor Driver License Office at 412 Vance Street.