Contra Costa County Library
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.
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.
- 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.
Source & saved evidence
CONTRA COSTA COUNTY LIBRARY — library card instructions — 06013 p1
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.
Agent source review: October 26, 2026 · Snapshot
833c3ea21fccc4da - 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.
Source & saved evidence
CONTRA COSTA COUNTY LIBRARY — library card instructions — 06013 p4
California residents with cards in good standing and less than one year expired may renew their accounts online with their card number and PIN.
Agent source review: October 26, 2026 · Snapshot
833c3ea21fccc4da
Before you start · 2 requirements & conditions
- 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.
Source & saved evidence
Official library card instructions — 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.
Agent source review: October 26, 2026 · Snapshot
833c3ea21fccc4da - 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.
Source & saved evidence
CONTRA COSTA COUNTY LIBRARY — library card instructions — 06013 p0
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.
Agent source review: October 26, 2026 · Snapshot
833c3ea21fccc4da
Source & saved evidence
CONTRA COSTA COUNTY LIBRARY · CONTRA COSTA COUNTY LIBRARY — library services (opens in a new tab)
Official library services page — exact library-card instructions link
Get a Library Card
Agent source review: October 26, 2026 · Snapshot 23f33ca12e2bfcd7