Ask Joe
Mt. SAC Emergency Alert

Alert: Mt. SAC has Transitioned to Online Classes and Services (see Learn more about our COVID-19 response at


Contact Us:

Monday to 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

 Map of Mt. SAC