[3] Sources differ as to whether the community was named for Antonio de Mendoza[4] or a local settler.

On December 7, 2009, a Piper PA-46-500TP, registration number N600YE, impacted terrain near the community in a steep descending right turn during an ILS approach in low visibility, substantially damaging the aircraft and killing the pilot and single passenger.

[5] Mendoza is located on U.S. Route 183, 10 mi (16 km) north of Lockhart in the north-central part of Caldwell County.

[2] On January 30, 1989, Texas State Highway 297 was a route that extended southwestward to Seguin, roughly parallel to Interstate 35.

This route was renumbered as a southward extension of Texas State Highway 130 on December 8, 1993.