Mt. SAC Important Message

Beginning Summer Intersession, Covid-19 vaccinations are encouraged, but not required. Learn more about our safety guidelines at www.mtsac.edu/covid19

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 Business Hours

Regular Hours 

          Monday - Thursday, 8:00am - 4:30pm

          Friday, 8:00am - 11:30am

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Mt. San Antonio College

1100 N. Grand Ave., Walnut, CA 91789

  • Phone(909) 274-7500

  • Campus Police(909) 274-4555

  • Text-A-Tip(909) 610-9139

United States map showing location of Mt. San Antonio College