San Mateo has three libraries, the Main Library was built in 2006, Hillsdale & Marina branch libraries were remodeled in 2003. The College of San Mateo also has a library. All four libraries are part of the Peninsula Library System (PLS) and a library card from any PLS library will allow you to borrow books, magazines, CDs and other material from any public library in San Mateo County, regardless of which PLS member library issued you your card.

San Mateo Main Library

55 West 3rd Avenue, San Mateo, CA 94403

(650) 522-7800

Open: Sunday 1:00PM to 5:00PM, Monday to Thursday 10AM to 9PM,

Friday and Saturday 10AM to 5PM

Photo By mliu92 from San Mateo (San Mateo Public Library Model), via Wikimedia Commons

San Mateo City – Main Library

The Main Library has an underground parking garage for library customers. Parking is free. There is a 2 hour time limit enforced Monday – Thursday from 8:00am – 6:00pm, and Friday-Saturday from 8:00am – 5:00pm.

There are exhibit spaces on each of the three floors of the San Mateo Main Library in addition to the permanent 101st Airborne exhibit on the northeast wall of the 3rd Floor. A Library Art Selection Committee meets annually to choose what artwork will be featured.

With a library card number, you receive up to 3 hours per day to access to the Internet and Microsoft Office applications. It is free to use the computers but there are no reservations. Printing is available in color or black and white. The first 45 cents worth of printing is free with your library card number. Subsequent printouts are 15 cents per page for black and white and 30 cents per page for color.

There are three meeting rooms that can be rented, the Oak room is the largest with a maximum capacity if set up Theater Style of 142. The Cedar room is slightly smaller than the Laurel room both fit under 25 people. Prices to rent the room depend if you are a resident or using it for city business, there are also deposits for various equipment that can be rented. Music Recitals in the Oak Room are a $120 flat fee for up to 3 hours and includes use of the Library’s Bosendorfer Grand Piano.

San Mateo City, Hillsdale Branch

205 West Hillsdale Boulevard
(650) 522-7880

See map: Google Map

Sunday Closed, Monday 10AM to 5PM, Tuesday 1PM to 8PM, Wednesday and Thursday 10AM to 5PM, Friday 12PM to 5PM, Saturday 10AM to 5PM
Find out about Holiday closures.

San Mateo City, Marina Branch

1530 Susan Court
(650) 522-7890
See map: Google Maps

Sunday Closed, Monday 1PM to 8PM, Tuesday, Wednesday and Thursday 10AM to 5PM, Friday 12PM to 5PM, Saturday 10AM to 5PM
Find out about Holiday closures.

College of San Mateo Library

1700 West Hillsdale Boulevard
(650) 574-6100
See map: Google Maps

January 16 – May 25
Monday – Thursday 7:45am – 7:00pm
Friday 7:45am – 3:00pm
Saturday 10:00am – 2:00pm
Sunday Closed

Also closed for Winter Break, Presidents Day, some flex days, Spring Break and Summer Break.

For Holidays and Closures and current hours visit