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Williamson County is named for Robert M. Williamson, pioneer leader and veteran of the Battle of San Jacinto; created from Milam County, organized March 13, 1848, and located in Central Texas just north of the state capitol in Austin.

The 2017 1ft contours and edge of pavement and hydrologic breaklines for Williamson County are now available. This data was derived from the 2015 Georgetown LiDAR and 2017 Williamson County LiDAR projects.

The Williamson County FEMA Flood Zone map includes the following NFHL layers include: Flood hazard zones and labels Cross-sections and coastal transects and their labels; Letter of Map Revision (LOMR) boundaries and case numbers; Flood Insurance Rate Map (FIRM) boundaries, labels and effective dates; Community boundaries and names; Base Flood ...

As members of the Williamson County Sheriff's Office, we are dedicated to serving the citizens of Williamson County. We understand that crime and victimization affects individuals, families, neighborhoods, and communities in a variety of ways. We can offer a number of services, resources and information designed to assist you.

Please submit your last & first name and your date of birth to find your voter information. This information is provided as a service to Williamson County and all information presented is based solely on the names and addresses of registered voters. Voter information is updated daily.

However, the County of Williamson, Texas makes no warranty as to the accuracy, reliability, or completeness of the information and is not responsible for any errors or omissions or for results obtained from the use of the information.

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Welcome to the Williamson County, Texas False Alarm Prevention and Administration Site

Williamson County Victims Services Resources. Home; Rights of Victims of Crime; Death of a Loved One; Domestic Violence/Sexual Assault