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Mt. SAC Emergency Alert

Alert: MTSAC ALERT #3: The gas leak that occurred off campus is now contained. Grand Avenue has reopened. Please resume business as usual.

Contact Us:


Monday to Thursday: 8 AM-7 PM
Friday: 8 AM - 4:30 PM
(Hours may change due to summer schedule and holidays.)

Assessment Center
Mt. San Antonio College
1100 North Grand Avenue
Walnut, CA 91789
Building 9B: Student Services Center, Lower Level

(909) 274-4265
(909) 274-2420
 https://www.mtsac.edu/assessment

 Map of Mt. SAC