San Marcos Public Library 625 E Hopkins St San Marcos, TX 78666 Main Line: 512-393-8200 Email San Marcos Public Library Hours Monday - Thursday 9 am to 9 pm

2 Civic Center Drive San Marcos, CA 92069 Get Directions Phone: (760) 891-3000 Email: sanmarcoslibrary@sdcounty.ca.gov

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.

Hours. Monday - Thursday 9 a.m. to 9 p.m.. Friday 9 a.m. to 6 p.m.. Saturday 10 a.m. to 6 p.m.. Sunday 1 p.m. to 6 p.m..