IMPORTANT UPDATE, RED FLAG WARNING & INTERMITTENT POWER OUTAGES:  Tuesday, Nov. 13, 2018 - 10:20 am - There are NO current emergencies in the City of San Marcos. With high Santa Ana winds and red flag warnings in place through Wednesday, Nov. 14, residents can expect intermittent power outages throughout San Marcos and County of San Diego as SDG&E takes steps to keep communities safe from wildfire. Follow San Diego Gas & Electric and visit for the latest updates. To prepare, San Marcos Fire Department and the County of San Diego are recommending residents take a “Ready, Set, Go!” approach for peak fire season. To learn how you can prepare, visit


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The San Marcos Library is operated by the County of San Diego. It is located at 2 Civic Center Drive, on the campus with City Hall and the Community Center.

Visit the San Marcos Library Web Page

San Marcos Library
2 Civic Center Drive
San Marcos, CA 92069 
(760) 891-3000
Monday-Thursday, 9:30 am to 8 pm
Friday and Saturday, 9:30 am to 5 pm
Sunday, 12 to 5 pm