These libraries have branches that are open every Sunday:
- Alhambra Civic Center Library
- Beverly Hills Public Library
- Camarillo Public Library
- Crowell Public Library (City of San Marino)
- County of Los Angeles Public Library
- Glendale Library, Arts & Culture
- Long Beach Public Library
- Los Angeles Public Library
- Monterey Park Bruggemeyer Library
- Moorpark City Library
- Palmdale City Library
- Palos Verdes Library District
- Pasadena Public Library
- San Marino Public Library SEE Crowell Public Library
- Santa Clarita Public Library
- Santa Monica Public Library
- South Pasadena Public Library
- Thousand Oaks Library System
- Ventura County Library