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Contra Costa County Library

public library system in Contra Costa County, California, United States
Organization library_district_of_the_united_states Q5165604
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Contra Costa County Library

Summary

Contra Costa County Library is a library district of the United States[1]. It draws 3 Wikipedia views per month (library_district_of_the_united_states category, ranking #10 of 18).[2]

Key Facts

  • Contra Costa County Library was a member of Urban Libraries Council[3].
  • Contra Costa County Library is located in Contra Costa County[4].
  • Contra Costa County Library is in the country of United States[5].
  • Contra Costa County Library's image is recorded as Libraryagogo.jpeg[6].
  • Contra Costa County Library's instance of is recorded as library district of the United States[7].
  • Contra Costa County Library's headquarters location is recorded as Martinez[8].
  • Contra Costa County Library's ISNI is recorded as 0000000405988724[9].
  • Contra Costa County Library's Commons category is recorded as Contra Costa County Library[10].
  • Contra Costa County Library's located in time zone is recorded as Pacific Time Zone[11].
  • Contra Costa County Library's has part is recorded as Antioch Library[12].
  • Contra Costa County Library's has part is recorded as Bay Point Library[13].
  • Contra Costa County Library's has part is recorded as Brentwood Library[14].
  • Contra Costa County Library's has part is recorded as Clayton Community Library[15].
  • Contra Costa County Library's has part is recorded as Concord Library[16].
  • Contra Costa County Library's has part is recorded as Crockett Library[17].
  • Contra Costa County Library's has part is recorded as Danville Library[18].
  • Contra Costa County Library's has part is recorded as Dougherty Station Library[19].
  • Contra Costa County Library's has part is recorded as El Cerrito Library[20].
  • Contra Costa County Library's has part is recorded as El Sobrante Library[21].
  • Contra Costa County Library's has part is recorded as Hercules Library[22].
  • Contra Costa County Library's has part is recorded as Kensington Library[23].
  • Contra Costa County Library's has part is recorded as Lafayette Library[24].
  • Contra Costa County Library's has part is recorded as Martinez Library[25].
  • Contra Costa County Library's has part is recorded as Moraga Library[26].
  • Contra Costa County Library's has part is recorded as Oakley Library[27].

Body

Founding

+1913-00-00T00:00:00Z marks the founding of Contra Costa County Library[28].

Operations

Contra Costa County Library's headquarters location is recorded as Martinez[8]. Its parent organization or unit is recorded as County of Contra Costa[29].

Why It Matters

Contra Costa County Library draws 3 Wikipedia views per month (library_district_of_the_united_states category, ranking #10 of 18).[2]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [5] ↑ . wikidata.org.
  2. [6] ↑ . wikidata.org.
  3. [7] ↑ . wikidata.org.
  4. [4] ↑ . wikidata.org.
  5. [8] ↑ . US Public Library System Data File, FY 2020. Retrieved . imls.gov. Provenance: wikidata.org.
  6. [9] ↑ . wikidata.org.
  7. [10] ↑ . wikidata.org.
  8. [11] ↑ . wikidata.org.
  9. [3] ↑ . urbanlibraries.org. Retrieved . urbanlibraries.org. Provenance: wikidata.org.
  10. [12] ↑ . California Public Library Directory. Retrieved . library.ca.gov. Provenance: wikidata.org.
  11. [13] ↑ . California Public Library Directory. Retrieved . library.ca.gov. Provenance: wikidata.org.
  12. [14] ↑ . California Public Library Directory. Retrieved . library.ca.gov. Provenance: wikidata.org.
  13. [15] ↑ . California Public Library Directory. Retrieved . library.ca.gov. Provenance: wikidata.org.
  14. [16] ↑ . California Public Library Directory. Retrieved . library.ca.gov. Provenance: wikidata.org.
  15. [17] ↑ . California Public Library Directory. Retrieved . library.ca.gov. Provenance: wikidata.org.
  16. [18] ↑ . California Public Library Directory. Retrieved . library.ca.gov. Provenance: wikidata.org.
  17. [19] ↑ . California Public Library Directory. Retrieved . library.ca.gov. Provenance: wikidata.org.
  18. [20] ↑ . California Public Library Directory. Retrieved . library.ca.gov. Provenance: wikidata.org.
  19. [21] ↑ . California Public Library Directory. Retrieved . library.ca.gov. Provenance: wikidata.org.
  20. [22] ↑ . California Public Library Directory. Retrieved . library.ca.gov. Provenance: wikidata.org.
  21. [23] ↑ . California Public Library Directory. Retrieved . library.ca.gov. Provenance: wikidata.org.
  22. [24] ↑ . California Public Library Directory. Retrieved . library.ca.gov. Provenance: wikidata.org.
  23. [25] ↑ . California Public Library Directory. Retrieved . library.ca.gov. Provenance: wikidata.org.
  24. [26] ↑ . California Public Library Directory. Retrieved . library.ca.gov. Provenance: wikidata.org.
  25. [27] ↑ . California Public Library Directory. Retrieved . library.ca.gov. Provenance: wikidata.org.
  26. [28] ↑ . wikidata.org.
  27. [29] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Contra Costa County Library. Retrieved May 3, 2026, from https://4ort.xyz/entity/contra-costa-county-library
MLA “Contra Costa County Library.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/contra-costa-county-library.
BibTeX @misc{4ortxyz_contra-costa-county-library_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Contra Costa County Library}}, year = {2026}, url = {https://4ort.xyz/entity/contra-costa-county-library}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Contra Costa County Library — https://4ort.xyz/entity/contra-costa-county-library (retrieved 2026-05-03)

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