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Mt. SAC Important Message

COVID-19 NOTICE: To take classes ON CAMPUS this upcoming Winter 2022 term, vaccinations will be required. Fully online students are exempt from this requirement. Learn about the December 10 deadline for the first dose, exemptions and more in your Mt. SAC email or


Contact Us

Mailing Address   Mailing Address
         Admissions & Records Office
         Mt. San Antonio College
         1100 N. Grand Ave
         Walnut, CA 91789

Campus Location   Campus Location
         Building 9B, First Floor

Office Hours   Office Hours
         Monday - Thursday, 8:00 a.m. - 7:00 p.m.
         Friday, 8:00 a.m. - 4:30 p.m. 
         (hours subject to change during holidays and summer)

Phone  Phone
        (909) 274-4415

Office Hours  Email

Library Home  Fax