Register for your library card.

Don’t have a library card? Apply online and start taking advantage of our digital services immediately. We will mail you a physical library card within one week.

Only residents of Marin County are eligible to apply for a card online.

Please note that online card registration requires a valid credit card. Your credit card will not be charged. It will be used for address verification only.

Registration is for new patrons. If you’ve had a library card in Marin County, please contact any MARINet library for assistance.

Enter your zipcode to begin: