City of Cedar Park Public Library Share: Non-Profit & Community Organizations City of Cedar Park Public Library Visit Website 550 Discovery Blvd Cedar Park, TX 78613 (512) 401-5600 Facebook Twitter Hours: Monday - Thursday: 9 a.m. - 9 p.m. Friday - Saturday: 9 a.m. - 5 p.m. Sunday: 1 - 6 p.m. About About The Library promotes literacy and lifelong learning for all members of the community through educational, informational, cultural and recreational resources. We open doors by opening minds!