Harry J. Leonhardt, president of Centex Homes Midwest Inc., has been named president of Centex Homes of Washington (D.C.) Inc.

Jack L. McDonald, chief executive officer of Centex Homes Corp., the parent company in Dallas, said Leonhardt will continue to serve as president of the midwest subsidiary and take on the chief executive responsibilities for Washington metropolitan area.

He replace J. Kenneth Schwartz, who recently resigned as president.

McDonal also announced two additional top executive promotions for the company's growing Washington region.

Sherman R. Locke, who had been serving as vice president for administration, has been promoted to the position of executive vice president in charge of administration. And Richard D. Corlett was named executive vice president for construction.

Leonhardt joined Centex Homes is its Illinois region in 1975 which was later expanded to include operations in Minneapolis with a corresponding name change to Centex Homes Midwest.

Locke joined Centex in 1977. Before that he had been associated with Flintkote, serving as marketing vice president for the company's midwest and eastern regions.

Corlett joined Centex in 1975, serving as vice president of construction in the midwest region and then vice president-construction and technical services in the corporate offices of Centex.

In its fiscal year ended March 31, 1978, the company reported almost 500 home deliveries in the Washington region, plus a backlog of homes sold but not delivered totaling about 325.

Currently, Centex Homes of Washington is building homes in nine locations in Maryland and Virginia.