CWCountyWikiIndependent guide to local servicesCalifornia directory
Contra Costa, California · County government

Contra Costa County Library

Library function; provider and jurisdiction must be verified.[1]

Source checked October 26, 2026[1]

Opens this office’s own website. CountyWiki does not process applications, take payments or provide personal records.

Contact details & office locations ↓
Official public library system associated with Contra Costa County for browsing. Independent city library systems may also serve the county. Membership rules, branch service areas and every address in the county are not implied by this association.[1]

Online services & information

Use the links below for official services and provider information. Check each service’s instructions and service area.

Official library services & branch information (opens in a new tab)[1]Official instructions

Official public library system associated with Contra Costa County for browsing. Independent city library systems may also serve the county. Membership rules, branch service areas and every address in the county are not implied by this association.

Library card instructions (opens in a new tab)[3]Official instructions

Read this library system’s own card instructions. Online registration, physical-card activation, residence and youth requirements may differ; use the quoted local conditions below where provided.

Before you start

Information & documents · Upgrade to a full-access card
To upgrade to a full-access card, please bring a photo ID with address verification to your local library during open hours. Please see our Library Policies Account page for accepted forms of address verification and for other important information about your library card and account. [4]
Eligibility & access · Contra Costa-resident eCard
Residents of Contra Costa County are eligible for an eCard. An eCard allows patrons immediate access to many of the Library's online services and databases including Rosetta Stone, LinkedIn Learning, The New York Times and East Bay Times. It also allows patrons to place holds and borrow eBooks and eAudiobooks from OverDrive/Libby. [5]
Availability · eCard exclusions — physical borrowing and named electronic products
NOTE: eCards ARE NOT VALID for use with LINK+, Kanopy Movies, Hoopla, or Discover & Go. eCards cannot be used to borrow physical materials like books or DVDs. An email address is required to receive an ecard. [6]
Availability · Online account renewal — California residents in good standing, less than one year expired
California residents with cards in good standing and less than one year expired may renew their accounts online with their card number and PIN. [7]
Branch directory, locations & local contacts (opens in a new tab)[8]Official instructions

Choose the actual provider’s named branch and confirm its posted opening/contact arrangements before travel. Membership and special-card eligibility remain subject to the separate card rules; directory status widgets are not a CountyWiki live-opening guarantee.

Accessibility aids, accommodations & scoped services (opens in a new tab)[9]Official instructions

Check the provider’s specific aids, request notice periods and branch/service-area conditions. Home delivery, interpretation and staff assistance retain their own eligibility and availability limits.

Before you start

Accessibility · TTY/relay:711 then the chosen library number
All libraries may be contacted by calling TTY: Call 711. Give the operator the number of the library location you want to call. [10]
Accessibility · Location induction loops; portable program loop requires72-hour notice
Induction loop systems are available at all Contra Costa County Library locations. These devices may be used with the t-coil in your hearing aid. The Library has a Portable Loop system that can be used at Library programs with 72 hours notice. [11]
Accessibility · Reasonable-accommodation request at least three days in advance
Contra Costa County Library considers the needs of users with disabilities in the planning and layout of public programming, meeting spaces, and facilities. The Library makes every effort to provide reasonable accommodations as requested by individuals at least three days in advance. [12]
Accessibility · Branch/program request and separate online-program administration contact
To request an accommodation for any of the Library's programs, services, or activities, please contact the library branch directly or call (800) 984-4636. For online programs, please contact Library Administration at (925) 608-7700. [13]
Accessibility · Home delivery depends on access barrier and an available volunteer
Contra Costa County Library’s Home Delivery Program utilizes trained volunteers to deliver library items to patrons who cannot visit their local library branch. The service is available free of charge to any patron with a temporary or long-term illness, injury, impairment, medical condition, or disability who is unable to visit a library, provided we have a volunteer available. Volunteers deliver and retrieve books, audiobooks, DVDs, and more from the library. [14]

Fees

Fees are quoted only when a source document supports the amount and conditions.

Fee amounts have not been reviewed for this office.

Check the official website for its current fee schedule. No fee should be assumed to be free.

Forms & documents

Official forms and document pages for this office’s services.

Forms have not been reviewed yet. Visit the official website for the current forms and instructions.

Sources & last checked5 source pages · 14 citations

Sources were checked by an AI-assisted research process. A checked website does not mean every service or fee on it has been reviewed.

  1. [1] CONTRA COSTA COUNTY LIBRARY — library services (opens in a new tab)

    CONTRA COSTA COUNTY LIBRARY · Official library page — provider identity and services
    Source reviewed October 26, 2026

    View supporting excerpt
    Contra Costa County Library Homepage
  2. [2] Public Library Administrative Headquarters Directory — live 2025 report (opens in a new tab)

    California State Library · Live 2025–26 administrative headquarters report — CONTRA COSTA COUNTY LIBRARY
    Source reviewed October 26, 2026

    View supporting excerpt
    CONTRA COSTA COUNTY LIBRARY777 ARNOLD DRIVE, SUITE 210MARTINEZ945533633(925) 608-7700(925) 646-6434N/AAdmin@library.cccounty.ushttp://ccclib.orgAlisonMcKeeCounty Librarian
  3. [3] CONTRA COSTA COUNTY LIBRARY — library services (opens in a new tab)

    CONTRA COSTA COUNTY LIBRARY · Official library services page — exact library-card instructions link
    Source reviewed October 26, 2026

    View supporting excerpt
    Get a Library Card
  4. [4] CONTRA COSTA COUNTY LIBRARY — library card instructions (opens in a new tab)

    CONTRA COSTA COUNTY LIBRARY · Official library card instructions — Upgrade to a full-access card
    Source reviewed October 26, 2026

    View supporting excerpt
    To upgrade to a full-access card, please bring a photo ID with address verification to your local library during open hours. Please see our Library Policies Account page for accepted forms of address verification and for other important information about your library card and account.
  5. [5] CONTRA COSTA COUNTY LIBRARY — library card instructions (opens in a new tab)

    CONTRA COSTA COUNTY LIBRARY · CONTRA COSTA COUNTY LIBRARY — library card instructions — 06013 p0
    Source reviewed October 26, 2026

    View supporting excerpt
    Residents of Contra Costa County are eligible for an eCard. An eCard allows patrons immediate access to many of the Library's online services and databases including Rosetta Stone, LinkedIn Learning, The New York Times and East Bay Times. It also allows patrons to place holds and borrow eBooks and eAudiobooks from OverDrive/Libby.
  6. [6] CONTRA COSTA COUNTY LIBRARY — library card instructions (opens in a new tab)

    CONTRA COSTA COUNTY LIBRARY · CONTRA COSTA COUNTY LIBRARY — library card instructions — 06013 p1
    Source reviewed October 26, 2026

    View supporting excerpt
    NOTE: eCards ARE NOT VALID for use with LINK+, Kanopy Movies, Hoopla, or Discover & Go. eCards cannot be used to borrow physical materials like books or DVDs. An email address is required to receive an ecard.
  7. [7] CONTRA COSTA COUNTY LIBRARY — library card instructions (opens in a new tab)

    CONTRA COSTA COUNTY LIBRARY · CONTRA COSTA COUNTY LIBRARY — library card instructions — 06013 p4
    Source reviewed October 26, 2026

    View supporting excerpt
    California residents with cards in good standing and less than one year expired may renew their accounts online with their card number and PIN.
  8. [8] Contra Costa County Library — Hours and Locations (opens in a new tab)

    Contra Costa County Library · Contra Costa County Library — Hours and Locations — 06013 branch directory
    Source reviewed October 26, 2026

    View supporting excerpt
    205 Pacifica Avenue Bay Point, CA 94565 Get directions Phone:(925) 458-9597
  9. [9] Contra Costa County Library — Library Accessibility (opens in a new tab)

    Contra Costa County Library · Contra Costa County Library — Library Accessibility — 06013 accessibility
    Source reviewed October 26, 2026

    View supporting excerpt
    All libraries may be contacted by calling TTY: Call 711. Give the operator the number of the library location you want to call.
  10. [10] Contra Costa County Library — Library Accessibility (opens in a new tab)

    Contra Costa County Library · Contra Costa County Library — Library Accessibility — 06013 accessibility p1
    Source reviewed October 26, 2026

    View supporting excerpt
    All libraries may be contacted by calling TTY: Call 711. Give the operator the number of the library location you want to call.
  11. [11] Contra Costa County Library — Library Accessibility (opens in a new tab)

    Contra Costa County Library · Contra Costa County Library — Library Accessibility — 06013 accessibility p3
    Source reviewed October 26, 2026

    View supporting excerpt
    Induction loop systems are available at all Contra Costa County Library locations. These devices may be used with the t-coil in your hearing aid. The Library has a Portable Loop system that can be used at Library programs with 72 hours notice.
  12. [12] Contra Costa County Library — Library Accessibility (opens in a new tab)

    Contra Costa County Library · Contra Costa County Library — Library Accessibility — 06013 accessibility p6
    Source reviewed October 26, 2026

    View supporting excerpt
    Contra Costa County Library considers the needs of users with disabilities in the planning and layout of public programming, meeting spaces, and facilities. The Library makes every effort to provide reasonable accommodations as requested by individuals at least three days in advance.
  13. [13] Contra Costa County Library — Library Accessibility (opens in a new tab)

    Contra Costa County Library · Contra Costa County Library — Library Accessibility — 06013 accessibility p7
    Source reviewed October 26, 2026

    View supporting excerpt
    To request an accommodation for any of the Library's programs, services, or activities, please contact the library branch directly or call (800) 984-4636. For online programs, please contact Library Administration at (925) 608-7700.
  14. [14] Contra Costa County Library — Library Accessibility (opens in a new tab)

    Contra Costa County Library · Contra Costa County Library — Library Accessibility — 06013 accessibility p8
    Source reviewed October 26, 2026

    View supporting excerpt
    Contra Costa County Library’s Home Delivery Program utilizes trained volunteers to deliver library items to patrons who cannot visit their local library branch. The service is available free of charge to any patron with a temporary or long-term illness, injury, impairment, medical condition, or disability who is unable to visit a library, provided we have a volunteer available. Volunteers deliver and retrieve books, audiobooks, DVDs, and more from the library.
Report an error on this page →