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Diamond Bar Library

1061 S. Grand Ave.
Diamond Bar, CA 91765
(909) 861-4978

Mon
12 - 9
Tue
12 - 9
Wed
12 - 9
Thu
12 - 9
Fri
10 - 5
Sat
10 - 5
Sun
Closed

Jesse Lanz, Library Manager

Diamond Bar Library

caution sign All County of Los Angeles Public Libraries will be closed on Monday, May 28 for the Memorial Day holiday.

  • about
  • collection
  • services
  • computers
  • community
  • Building size: 9935 sq. ft.
  • Meeting Room: Capacity 132
  • Children's area with Family Place
  • Teen Space
  • Book Drop for returning items accessible 24 hours

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Diamond Bar Library has:

  • Public computers: 6
  • Children's computers: 4
  • Express computers (15 minutes only): 1
  • Free Wi-fi

Computer policies for the County Library

friends of the library

Friends of the Diamond Bar Library is a volunteer-run organization that supports the library and library events - join today to get involved!

Friends of the Diamond Bar Library provides these service(s) to support the library:

library history

Originally opened in 1977, the Diamond Bar Library has long provided valuable services to both residents and visitors.

Today, thanks to renovations made possible by the City of Diamond Bar Redevelopment Agency, the County of Los Angeles, and the Friends of the Diamond Bar Library , the library is even better equipped to meet the growing needs of the community. The Diamond Bar Library was rededicated on August 15, 1998.

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Library Events

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