Contact Us
facilitiesplanning@mtsac.edu
(909) 274-4850
Buildings 46 and 46A
Beginning Summer Intersession, Covid-19 vaccinations are encouraged, but not required. Learn more about our safety guidelines at www.mtsac.edu/covid19
Mt. San Antonio College
1100 N. Grand Ave., Walnut, CA 91789
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Phone(909) 274-7500
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Campus Police(909) 274-4555
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Text-A-Tip(909) 610-9139
