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September is Library Card Sign-up Month! Whether you’re a new or existing library user, you can take part in the celebration by making the most of everything the library has to offer. Complete these four easy steps to supercharge your library card!

Step 1: Get a Library Card

Already have a card from a Marin County library? It’s valid in Mill Valley! Never had a card before? Sign up online or visit the Library in person. Lost your card or not sure if you have one? Email us at or call (415) 389-4292.

Step 2: Sign up for eNews

Be the first to know about new programs, services, and when registration opens for popular events. Starting in September, eNews will include tips and tricks to Supercharge Your Library Card!

Step 3: Download the MARINet App

Our free app puts your Library account at your fingertips. Search for books, manage holds, check out items, and keep track of your account.

Step 4: Sign Up for Libby

If you’re new to digital borrowing, Libby is the place to start! Use your library card to download thousands of free eBooks, eAudiobooks, and digital magazines.

Raffle Information

Raffle deadline: September 30th, 2023

The Mill Valley Public Library will contact the 12 raffle winners using the phone number and email address listed in their library account by November 1st.

While it’s too late to enter the raffle for a limited edition Library sweatshirt, we encourage everyone to complete the four steps to supercharge your library card and get a free sticker while supplies last!