U.S. Home Corp. plans to move its corporate headquarters from Clearwater, Fla., to Houston, where the running of its nationwide operations will be more centralized. It has loosed space for the February move in an office building under construction near the Galleria complex.

Construction-permanent financing of $13 million has been obtained by the Carey Winston Co. for the office building being developed at 1015 15th St. NW by the John Akridge Co. The 12-story building is scheduled for completion next spring.

A course in home maintenance will be given this fall by the Northern Virginia Community College in Annandale. For information, call 323-4529.

RE/MAX, a real estate franchise operation, announced the opening of Shamrock properties and Investments Inc. in Manassas.

Routh Robbins Real Estate Corp. has opened a sales office at 6383 Oxon Hill Rd., Oxon Hill.

Donna E. Shalala, assistant secretary of HUD for policy development and research, will speak at the Tuesday luncheon meeting at the National Housing Conference at the International Inn. She will discuss the experimental housing allowance program of direct cash assistance to low-income households using rental properties.

Western Development Corp. has named Phillip L. Ross as project manager of Georgetown Park, a new mixed use retail and residential development that the firm has started on a site just south of M Street and west of Wisconsin Avenue NW.

Mount Vernon Realty Inc. has announced the purchase of Fredericksburg Realty, a brokerage office that has become the firm's 14th in this area.

Construction was begun recently on 'Tysons Office Park, a cluster of 15 town house office buildings at 7627 Leesburg Pike in Falls Church. The developers of the $3.7 million project are Ted Heflin, who heads a construction company, and Charles E. Runyon, head of a civil engineering firm. Architects Barzdukas and Roberts designed the buildings.

Peyton Klopfenstein, a president of a real estate firm in McLean, has been named chairman of the Virginia Real Estate Commission. He has been a member since 1975. He also heads the realtor institutes at the universities of Virginia and Delaware.

MCD Holdings Inc. is selling 320 one-acre lots at Prospect Plantation near Grasonville in Queen Anne's County on Maryland's Eastern Shore. The company is also selling houses there priced from about $90,000 to $160,000.