The military facility was later known as Johnsville Naval Air Base, separated from the residential area and later became the Naval Air Development Center and was finally known as the NAWC, Aircraft Division, Warminster prior to its being decommissioned and closed by the US federal government in the mid-1990s.

In the 1960s, Lacey Park was renamed Warminster Heights, although to this day many older area residents prefer the former name when referring to the neighborhood.

[5] Deserved or not, it had a somewhat odious reputation among the local population as it was a lower class, blue collar, low-rent public housing district during the 1960s and '70s up to the mid-1980s.

The housing project had over 10,000 health and safety violations and was known as the "worst suburban slum in Pennsylvania.

Built in the 1940s by the US federal government, most of the housing units consisted of cinder block on slab construction, in units of four dwellings per structure (similar to Philadelphia row homes), in either one or two stories, generally with central heating via coal or heating oil furnaces with mostly electric appliances.

The Park, as it is often referred to, has a history and longstanding association with poverty, alcohol abuse, and constant drug activity.

[6] According to the United States Census Bureau, the CDP has a total area of 0.6 square miles (1.6 km2), all land.

[12][14] Electricity and natural gas in Warminster Heights is provided by PECO Energy Company, a subsidiary of Exelon.

[15][16][17] Trash and recycling collection in Warminster Heights is provided under contract by J.P. Mascaro & Sons.