Blackridge is a community in eastern Allegheny County, Pennsylvania, a suburb of Pittsburgh. Consisting of about 650 private homes built in 1920-1949, Blackridge Estates was and remains one of the area's finest residential communities. Blackridge lies in the municipalties of Wilkinsburg, Penn Hills and Churchill; it maintains a strong Civic Association and a private park and swim club for residents. Its web address is www.blackridge-bca.org.