[2] The charters and papers of incorporation were created on December 22, 1919; the Avery Library and Historical Society formally opened within the Snell building with a collection of approximately 2,000 volumes on April 10, 1920.

In 1924, Avery also published a local history text, "The Genesis of New Port Richey," to be included in the library's collection.

[3] Finally, in 1987 an expansion for City Hall and the library were approved with the grand opening of its current location occurring in early 1991.

[3] In May 2013, the library opened a short lived second location, dubbed the Avery branch, in the newly renovated Elfers CARES Center.

[12] It took roughly nine months to complete the renovation, from March 2021 to January 2022, during which time the library pledged to stay open to patrons as much as possible, and was only closed for five days.

[13] In addition to lending of its materials holdings, the New Port Richey Public Library offers many programs and services for the community.

The library works with several local organizations and groups in the community, including the West Pasco Historical Society, which was founded in the 1970s with the support of then-director, Janet Lewis.

[17][18] In addition, in 2022, New Port Richey Public library received funding from the Florida Humanities Council for two sessions of a ten week English For Families course.

[19] In 2022, New Port Richey Public Library was also a participant in the Career Online High School program administered by the State of Florida.

[21][22] In addition to Reel Pride, the New Port Richey Public Library has also held film festivals emphasizing human rights.

[39] In addition to community service projects, YOLO members volunteered to help out at library events like Pi Day.

[40] The library offers weekly story times and children's yoga classes, as well as various other programs and events, including an annual reptile show, a visit from the SPCA Suncoast animal shelter, and other education and entertaining presenters.