Hugh T. Peck Properties has purchased Carriage House Associates, a a realty firm with six offices in Northern Virginia. The Peck firm, based in Kensington, now has 32 branch offices and more than 800 sales associates. Robert McGrath and Richard Purvis, who headed Carriage House, have joined the Peck organization as vice presidents.

Greenhoot Inc. announced the arrangement of a ground lease for an office building site at 2131 K St., NW, where a development group plans to erect a 90,000-square-foot-building. The group includes H. C. Calhoun Associates and others. The Greenhoot firm will handle leasing and management.

Leroy Miller Campbell, a District architect and community leader who died in 1977, has been cited by the American Institute of Architects for his significant contributions "toward meeting the architectural profession's responsibility to the social issues of today." The presentation will be made to the architect's widow in June at the AIA convention in Cincinnati.

Edward R. Carr has been named builder of the year by the Home Builders Association of Virginia. Carr is a past president of the organization.

Edward B. (Arch) Kennedy and FredC. Segesman have formed Kennedy-Segesman, Inc., a real estate brokerage firm in Montgomery County. Kennedy was executive vice president and Segesman a senior vice president of Colquitt-Carruthers, Inc. Their new office is at 6204 Montrose Rd., Rockville.

George F. Riseling has retired as chief of the Redevelopment Land Agency section of the D.C. Corporation Counsel's office. Riseling has been instrumental in many of the urban renewal programs launched in the District during his career.

Potomac Shores, a 29-unit garden apartment complex in the Old Town section of Alexandria, was sold recently by George Gilbreath for $450,000 to Bashford Associates of Alexandria. Coldwell Banker handled the transction with DeRand Realty of Arlington.

Ned Coryell and Frances Tucker, both formerly with Long & Foster, recently formed a new brokerage firm, Coryell & Associates Real Estate Inc., at 5803 Rolling Rd., Springfield.

The Northern Virginia Builders Association will offer a six-week pre-apprenticeship training programs in carpentry starting February 25 and a four-week course in bricklaying starting March 10. Information is available at 893-6800.

Golubin & Warwick Realtors recently opened a branch office at 2213 Mount Vernon Ave. in Alexandria. Roger Smith is the manager.

Beherens Realty Co. based in Sterling, has opened an office in Reston.

Margaret Leaf, a McLean-based marketing vice president for New England-Techbuilt Inc., has returned from Uganda, where she advised the post office and telecommunications department of the government on the use of prefabricated housing for government employes.