The County of Los Angeles Public Library provides services for the public in person and by phone at 85 local County libraries, 3 County bookmobiles, and 2 institutional libraries; web-based information and services are also available.

Address: 145 N Walnut Ave San Dimas CA 91773
Website: https://lacountylibrary.org/san-dimas-library/
Hours:
  • Monday: 11 am - 8 pm
  • Tuesday: 11 am - 8 pm
  • Wednesday: 10 am - 6 pm
  • Thursday: 10 am - 6 pm
  • Friday: 9 am - 5 pm
  • Saturday: 9 am - 5 pm
  • Sunday: Closed
Phones: 909.599.6738