From the library website: Apply online or visit your local SDCL branch to sign up. Bring a valid photo ID and proof of your current address with you to pick up your card. If you're under 18, you will need to be accompanied by a parent or legal guardian. California residents and military: Free Replacement cards: First replacement is free; subsequent replacements are $1 each Non-California resident fee: $5 one-time fee Library cards will not be renewed/replaced unless all overdue fines/fees are paid. Overdue accounts of $100 or more will be subject to collection agency action http://www.sdcl.org/help-librarycard.html
It is very easy just go to the desk and they will get you all set up.
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