An order of incorporation was signed on March 31, 1909, making Dormont the first independent municipality in the South Hills of Allegheny County.

Lebanon"; however, objections were raised by their as yet unincorporated neighbors to the south, who eventually adopted the name.

Instead, the name Dormont was chosen from the Americanized version of the French term "mont d'or", loosely translated as "Mountain of Gold.

Today, all but two of Dormont's "side streets" are designated as avenues, the exceptions being Memorial Drive and Park Blvd.

The northern stretch of another "borough line" street, McNeilly Avenue, runs through Dormont on one side and the Pittsburgh neighborhood of Brookline on the other.

In June 2020, the Dormont Borough Council approved a comprehensive plan for the next ten years, which includes provisions for land use, housing, transportation, economic development, parks and recreation, community facilities, historic preservation, sustainability, and public engagement.

[7] The Keystone Oaks School District, after a stint of fully remote learning, resumed in-person instruction for all students starting in February 2021.

[9] According to the United States Census Bureau, the borough has a total area of 0.7 square miles (1.8 km2), all land.

Dormont has four borders, including the Pittsburgh neighborhoods of Banksville to the north, Beechview to the northeast and Brookline to the east.

Its citizens enjoy one of the largest swimming pools in Pennsylvania (>60,000 square feet), two parks, basketball and tennis courts, two Little League fields, a fine library, an impressive volunteer-built children's playground, as well as seasonal activities for both children and adults.

"Dormont Day," the annual Fourth of July park-wide event, is the highlight of the summer season and features all day family entertainment beginning with the 8:00 a.m. Twenty-One Gun Salute and culminating with one of the most spectacular fireworks displays for a community of this size.

During the day, park goers are treated to live music, picnics, food booths, games, pony rides, and youth foot races.

Also, the Keystone Oaks Middle and High Schools are located just outside the Dormont borough line in neighboring Mt.

Dormont is also home to the South Hills Beauty Academy and the Pittsburgh Bartending School.