The Historical Society of Baltimore County (HSBC) was founded in 1959 with the goal of preserving, interpreting, and illustrating the history of Baltimore County for the benefit of present and future generations of Marylanders, and is a resource for those interested in researching both local and family history.

[1][2] As the HSBC describes it, they "continually accomplish" their mission "through the production of presentations, lectures, workshops, entertaining educational publications, historical tours, and exhibits.

"[10] In 2018, an African American Heritage Preservation Program Grant workshop, for the Maryland Historical Trust, was held at the HSBC.

[12] Located on Baltimore’s County Home Property, the Historical Society’s campus comprises several buildings of various ages and states of repair.

During the Cold War, the Almshouse was used as a fallout shelter; emergency supplies from that era still reside in the basement.

[24] The society's over 1900 vertical files on varied topics, library holdings, and photograph collection, are indexed online.

[31] Apart from this, its volunteers have researched a "progressive little town called Warren" submerged under the "waters of Loch Raven Reservoir" and doing genealogical talks.