Support the work of the San Mateo County Libraries. Your gift will help maintain the libraries' commitment to excellence by providing innovative and dynamic library services.

Where your dollars go:

Please donate online, opens a new window OR mail your check with the completed form to:

Foundation for San Mateo County Libraries
125 Lessingia Court
San Mateo, CA 94402

You may also drop your gift off at your neighborhood San Mateo County Libraries location.

Foundation for San Mateo County Libraries is a registered 501(c)(3) nonprofit. All donations are tax-deductible as allowed by law. Tax ID: 83-1472500

Visit, opens a new window to learn more about the Foundation.

If you have questions, please contact us via email or call at (650) 312-5296.

We are also fortunate to have local Friends of the Library groups. If you are looking to become a member of your local Friends of the Library group, please visit this page, and follow their individual process.   

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