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About Us


Our Mission

We build relationships that support discovery by providing equal access to opportunities and experiences.

Our Values

We are Prince George’s Proud and put community first by being:

  • welcoming
  • curious
  • accessible
  • kind
  • collaborative
  • resilient

Our Vision

We provide a collaborative foundation within the community for all Prince Georgians to create the world they want to see.



The Prince George’s County Memorial Library System (PGCMLS) helps customers discover and define opportunities that shape their lives. The Library serves the 967,000+ residents of Prince George’s County, Maryland through 19 branch libraries, a 24/7 online library, and pop-up services throughout the community. PGCMLS is a responsive and trusted community-driven organization. Programs, services, and outreach activities serve booklovers, immigrants and refugees, job seekers, children, young professionals, seniors, and families alike. 

PGCMLS’ robust online offerings include curated content collections for kids, teens, educators, Spanish speakers, and more. Virtual events and outreach provide access to the Library from the comfort of home or on the go. Special programs include the D.R.E.A.M. Lab, STEM Pals, and 3D printing, which offer teens and lifelong learners with opportunities to learn cutting-edge technology and STEM skills for job readiness or personal enrichment. The Library also provides drive-up WiFi access at all branches and mobile hotspot devices. The Library’s Laurel Branch Library received the 2018 AIA/ALA Library Building Award and was designated the best new public building in Maryland. 

As a strong community partner, the Library regularly collaborates with local government agencies and non-profit organizations to provide access to essential community services and programs. Partners include the Prince George’s County Human Relations Commission, Employ Prince George’s, Prince George’s County Public Schools, and Prince George’s Community College. Learn more at pgcmls.info or by visiting the Largo-Kettering Branch at 9601 Capital Lane, Largo, MD 20774.

Awards and Honors